server_synchronize.php

   1 <?php
   2
   3 /* vim: set expandtab sw=4 ts=4 sts=4: */
   4 /**
   5  *
   6  * @package phpMyAdmin
   7  */
   8
   9 /**
  10 *
  11 */
  12 require_once './libraries/common.inc.php';
  13
  14 /**
  15  * Does the common work
  16  */
  17 $GLOBALS['js_include'][] = 'server_synchronize.js';
  18 require_once './libraries/server_common.inc.php';
  19
  20 /**
  21 * Contains all the functions specific to synchronization
  22 */
  23 require './libraries/server_synchronize.lib.php';
  24
  25 /**
  26  * Increases the time limit up to the configured maximum
  27  */
  28 @set_time_limit($cfg['ExecTimeLimit']);
  29
  30 /**
  31  * Displays the links
  32  */
  33 require './libraries/server_links.inc.php';
  34
  35 /**
  36 * Enables warnings on the page
  37 */
  38 //$cfg['Error_Handler']['display'] = true;
  39 //$cfg['Error_Handler']['gather'] = true;
  40
  41 /**
  42 * Save the value of token generated for this page
  43 */
  44 if (isset($_REQUEST['token'])) {
  45     $_SESSION['token'] = $_REQUEST['token'];
  46 }
  47
  48 // variable for code saving
  49 $cons = array ("src", "trg");
  50
  51 /**
  52  * Displays the page when 'Go' is pressed
  53  */
  54
  55 if ((isset($_REQUEST['submit_connect']))) {
  56     foreach ($cons as $con) {
  57         ${"{$con}_host"}     = $_REQUEST[$con . '_host'];
  58         ${"{$con}_username"} = $_REQUEST[$con . '_username'];
  59         ${"{$con}_password"} = $_REQUEST[$con . '_pass'];
  60         ${"{$con}_port"}     = $_REQUEST[$con . '_port'];
  61         ${"{$con}_socket"}   = $_REQUEST[$con . '_socket'];
  62         ${"{$con}_db"}       = $_REQUEST[$con . '_db'];
  63         ${"{$con}_type"}         = $_REQUEST[$con . '_type'];
  64
  65         if (${"{$con}_type"} == 'cur') {
  66                 ${"{$con}_connection"} = null;
  67                 ${"{$con}_server"} = null;
  68                 ${"{$con}_db"}       = $_REQUEST[$con . '_db_sel'];
  69                 continue;
  70         }
  71
  72         if (isset(${"{$con}_socket"}) && ! empty(${"{$con}_socket"})) {
  73                 ${"{$con}_server"}['socket'] = ${"{$con}_socket"};
  74         } else {
  75                 ${"{$con}_server"}['host'] = ${"{$con}_host"};
  76                 if (isset(${"{$con}_port"}) && ! empty(${"{$con}_port"}) && ((int)${"{$con}_port"} * 1) > 0) {
  77                     ${"{$con}_server"}['port'] = (int)${"{$con}_port"};
  78                 }
  79         }
  80
  81         ${"{$con}_connection"} = PMA_DBI_connect(${"{$con}_username"}, ${"{$con}_password"}, $is_controluser = false, ${"{$con}_server"}, $auxiliary_connection = true);
  82     } // end foreach ($cons as $con)
  83
  84     if ((! $src_connection && $src_type != 'cur') || (! $trg_connection && $trg_type != 'cur')) {
  85         /**
  86         * Displays the connection error string if
  87         * connections are not established
  88         */
  89
  90         echo '<div class="error">';
  91         if(! $src_connection && $src_type != 'cur') {
  92             echo __('Could not connect to the source') . '<br />';
  93         }
  94         if(! $trg_connection && $trg_type != 'cur'){
  95             echo __('Could not connect to the target');
  96         }
  97         echo '</div>';
  98         unset($_REQUEST['submit_connect']);
  99
 100     } else {
 101         /**
 102         * Creating the link object for both source and target databases and
 103         * selecting the source and target databases using these links
 104         */
 105             foreach ($cons as $con) {
 106                 if (${"{$con}_connection"} != null) {
 107                     ${"{$con}_link"} = PMA_DBI_connect(${"{$con}_username"}, ${"{$con}_password"}, $is_controluser = false, ${"{$con}_server"});
 108                 } else {
 109                 ${"{$con}_link"} = null;
 110             }
 111                 ${"{$con}_db_selected"} = PMA_DBI_select_db(${"{$con}_db"}, ${"{$con}_link"});
 112             } // end foreach ($cons as $con)
 113
 114         if (($src_db_selected != 1) || ($trg_db_selected != 1)) {
 115             /**
 116             * Displays error string if the database(s) did not exist
 117             */
 118             echo '<div class="error">';
 119             if ($src_db_selected != 1) {
 120                 echo sprintf(__('\'%s\' database does not exist.'), htmlspecialchars($src_db));
 121             }
 122             if ($trg_db_selected != 1) {
 123                 echo sprintf(__('\'%s\' database does not exist.'), htmlspecialchars($trg_db));
 124             }
 125             echo '</div>';
 126             unset($_REQUEST['submit_connect']);
 127
 128         } else if (($src_db_selected == 1) && ($trg_db_selected == 1)) {
 129
 130             /**
 131             * Using PMA_DBI_get_tables() to get all the tables
 132             * from target and source databases.
 133             */
 134             $src_tables = PMA_DBI_get_tables($src_db, $src_link);
 135             $source_tables_num = sizeof($src_tables);
 136
 137             $trg_tables = PMA_DBI_get_tables($trg_db, $trg_link);
 138             $target_tables_num = sizeof($trg_tables);
 139
 140             /**
 141             * initializing arrays to save matching and non-matching
 142             * table names from target and source databases.
 143             */
 144             $unmatched_num_src = 0;
 145             $source_tables_uncommon = array();
 146             $unmatched_num_trg = 0;
 147             $target_tables_uncommon = array();
 148             $matching_tables = array();
 149             $matching_tables_num = 0;
 150
 151             /**
 152             * Using PMA_getMatchingTables to find which of the tables' names match
 153             * in target and source database.
 154             */
 155             PMA_getMatchingTables($trg_tables, $src_tables, $matching_tables, $source_tables_uncommon);
 156             /**
 157             * Finding the uncommon tables for the target database
 158             * using function PMA_getNonMatchingTargetTables()
 159             */
 160             PMA_getNonMatchingTargetTables($trg_tables, $matching_tables, $target_tables_uncommon);
 161
 162             /**
 163             * Initializing several arrays to save the data and structure
 164             * difference between the source and target databases.
 165             */
 166             $row_count = array();   //number of rows in source table that needs to be created in target database
 167             $fields_num = array();  //number of fields in each matching table
 168             $delete_array = array(); //stores the primary key values for target tables that have excessive rows than corresponding source tables.
 169             $insert_array = array(array(array()));// stores the primary key values for the rows in each source table that are not present in target tables.
 170             $update_array = array(array(array())); //stores the primary key values, name of field to be updated, value of the field to be updated for
 171                                                     // each row of matching table.
 172             $matching_tables_fields = array(); //contains the fields' names for each matching table
 173             $matching_tables_keys   = array(); //contains the primary keys' names for each matching table
 174             $uncommon_tables_fields = array(); //coantains the fields for all the source tables that are not present in target
 175             $matching_tables_num = sizeof($matching_tables);
 176
 177             $source_columns = array();  //contains the full columns' information for all the source tables' columns
 178             $target_columns = array();  //contains the full columns' information for all the target tables' columns
 179             $uncommon_columns = array(); //contains names of columns present in source table but absent from the corresponding target table
 180             $source_indexes = array();   //contains indexes on all the source tables
 181             $target_indexes = array();   //contains indexes on all the target tables
 182             $add_indexes_array = array(); //contains the indexes name present in source but absent from target tables
 183             $target_tables_keys = array(); //contains the keys of all the target tables
 184             $alter_indexes_array = array();  //contains the names of all the indexes for each table that need to be altered in target database
 185             $remove_indexes_array = array();  //contains the names of indexes that are excessive in target tables
 186             $alter_str_array = array(array());  //contains the criteria for each column that needs to be altered in target tables
 187             $add_column_array = array(array()); //contains the name of columns that need to be added in target tables
 188             /**
 189             * The criteria array contains all the criteria against which columns are compared for differences.
 190             */
 191             $criteria = array('Field', 'Type', 'Null', 'Collation', 'Key', 'Default', 'Comment');
 192
 193             for($i = 0; $i < sizeof($matching_tables); $i++) {
 194                 /**
 195                 * Finding out all the differences structure, data and index diff for all the matching tables only
 196                 */
 197                 PMA_dataDiffInTables($src_db, $trg_db, $src_link, $trg_link, $matching_tables, $matching_tables_fields, $update_array, $insert_array,
 198                 $delete_array, $fields_num, $i, $matching_tables_keys);
 199
 200                 PMA_structureDiffInTables($src_db, $trg_db, $src_link, $trg_link, $matching_tables, $source_columns,
 201                 $target_columns, $alter_str_array, $add_column_array, $uncommon_columns, $criteria, $target_tables_keys, $i);
 202
 203                 PMA_indexesDiffInTables($src_db, $trg_db, $src_link, $trg_link, $matching_tables, $source_indexes, $target_indexes,
 204                 $add_indexes_array, $alter_indexes_array, $remove_indexes_array, $i);
 205             }
 206
 207             for($j = 0; $j < sizeof($source_tables_uncommon); $j++) {
 208                 /**
 209                 * Finding out the number of rows to be added in tables that need to be added in target database
 210                 */
 211                 PMA_dataDiffInUncommonTables($source_tables_uncommon, $src_db, $src_link, $j, $row_count);
 212             }
 213             /**
 214             * Storing all arrays in session for use when page is reloaded for each button press
 215             */
 216             $_SESSION['matching_tables'] = $matching_tables;
 217             $_SESSION['update_array'] = $update_array;
 218             $_SESSION['insert_array'] = $insert_array;
 219             $_SESSION['src_db'] = $src_db;
 220             $_SESSION['trg_db'] =  $trg_db;
 221             $_SESSION['matching_fields'] = $matching_tables_fields;
 222             $_SESSION['src_uncommon_tables'] = $source_tables_uncommon;
 223             $_SESSION['src_username'] = $src_username ;
 224             $_SESSION['trg_username'] = $trg_username;
 225             $_SESSION['src_password'] = $src_password;
 226             $_SESSION['trg_password'] = $trg_password;
 227             $_SESSION['trg_password'] = $trg_password;
 228             $_SESSION['src_server']   = $src_server;
 229                 $_SESSION['trg_server']   = $trg_server;
 230                 $_SESSION['src_type']     = $src_type;
 231             $_SESSION['trg_type']     = $trg_type;
 232             $_SESSION['matching_tables_keys'] = $matching_tables_keys;
 233             $_SESSION['uncommon_tables_fields'] = $uncommon_tables_fields;
 234             $_SESSION['uncommon_tables_row_count'] = $row_count;
 235             $_SESSION['target_tables_uncommon'] = $target_tables_uncommon;
 236             $_SESSION['uncommon_tables'] = $source_tables_uncommon;
 237             $_SESSION['delete_array'] = $delete_array;
 238             $_SESSION['uncommon_columns'] = $uncommon_columns;
 239             $_SESSION['source_columns'] = $source_columns;
 240             $_SESSION['alter_str_array'] = $alter_str_array;
 241             $_SESSION['target_tables_keys'] = $target_tables_keys;
 242             $_SESSION['add_column_array'] = $add_column_array;
 243             $_SESSION['criteria'] = $criteria;
 244             $_SESSION['target_tables'] = $trg_tables;
 245             $_SESSION['add_indexes_array'] = $add_indexes_array;
 246             $_SESSION['alter_indexes_array'] = $alter_indexes_array;
 247             $_SESSION['remove_indexes_array'] = $remove_indexes_array;
 248             $_SESSION['source_indexes'] = $source_indexes;
 249             $_SESSION['target_indexes'] = $target_indexes;
 250
 251             /**
 252             * Displays the sub-heading and icons showing Structure Synchronization and Data Synchronization
 253             */
 254             echo '<form name="synchronize_form" id="synchronize_form" method="post" action="server_synchronize.php">'
 255             . PMA_generate_common_hidden_inputs('', '');
 256             echo '<table id="serverstatustraffic" class="data" width = "40%">
 257             <tr>
 258             <td>'
 259             . '<img class="icon" src="' . $pmaThemeImage . 'new_struct.jpg" width="32"'
 260             . ' height="32" alt="" />'
 261             . __('Structure Synchronization')
 262             .'</td>';
 263             echo '<td>'
 264             . '<img class="icon" src="' . $pmaThemeImage . 'new_data.jpg" width="32"'
 265             . ' height="32" alt="" />'
 266             . __('Data Synchronization')
 267             . '</td>';
 268             echo '</tr>
 269             </table>';
 270
 271             /**
 272             * Displays the tables containing the source tables names, their difference with the target tables and target tables names
 273             */
 274             PMA_syncDisplayHeaderSource($src_db);
 275             $odd_row = false;
 276
 277             /**
 278             * Display the matching tables' names and difference, first
 279             */
 280             for($i = 0; $i < count($matching_tables); $i++) {
 281                 /**
 282                 * Calculating the number of updates for each matching table
 283                 */
 284                 if (isset($update_array[$i]) && isset($update_array[$i][0]) &&
 285                         isset($update_array[$i][0][$matching_tables_keys[$i][0]])) {
 286                     $num_of_updates = sizeof($update_array[$i]);
 287                 } else {
 288                     $num_of_updates = 0;
 289                 }
 290                 /**
 291                 * Calculating the number of insertions for each matching table
 292                 */
 293                 if (isset($insert_array[$i]) && isset($insert_array[$i][0]) &&
 294                         isset($insert_array[$i][0][$matching_tables_keys[$i][0]])) {
 295                     $num_of_insertions = sizeof($insert_array[$i]);
 296                 } else {
 297                     $num_of_insertions = 0;
 298                 }
 299                 /**
 300                 * Displays the name of the matching table
 301                 */
 302                 $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 303                 echo '<td>' . htmlspecialchars($matching_tables[$i]) . '</td>
 304                 <td align="center">';
 305                 /**
 306                 * Calculating the number of alter columns, number of columns to be added, number of columns to be removed,
 307                 * number of index to be added and removed.
 308                 */
 309                 $num_alter_cols  = 0;
 310                 $num_insert_cols = 0;
 311                 $num_remove_cols = 0;
 312                 $num_add_index   = 0;
 313                 $num_remove_index = 0;
 314
 315                 if (isset($alter_str_array[$i])) {
 316                     $num_alter_cols = sizeof($alter_str_array[$i]);
 317                 }
 318                 if (isset($add_column_array[$i])) {
 319                     $num_insert_cols = sizeof($add_column_array[$i]);
 320                 }
 321                 if (isset($uncommon_columns[$i])) {
 322                     $num_remove_cols = sizeof($uncommon_columns[$i]);
 323                 }
 324                 if (isset($add_indexes_array[$i])) {
 325                     $num_add_index = sizeof($add_indexes_array[$i]);
 326                 }
 327                 if (isset($remove_indexes_array[$i])) {
 328                     $num_remove_index = sizeof($remove_indexes_array[$i]);
 329                 }
 330                 if (isset($alter_indexes_array[$i])) {
 331                     $num_add_index += sizeof($alter_indexes_array[$i]);
 332                     $num_remove_index += sizeof($alter_indexes_array[$i]);
 333                 }
 334                 /**
 335                 * Display the red button of structure synchronization if there exists any structure difference or index difference.
 336                 */
 337                 if (($num_alter_cols > 0) || ($num_insert_cols > 0) || ($num_remove_cols > 0) || ($num_add_index > 0) || ($num_remove_index > 0)) {
 338
 339                    echo '<img class="icon struct_img" src="' . $pmaThemeImage . 'new_struct.jpg" width="29"  height="29"
 340                    alt="' . __('Click to select') . '"
 341                    onclick="showDetails(' . "'MS" . $i . "','" . $num_alter_cols . "','" .$num_insert_cols .
 342                    "','" . $num_remove_cols . "','" . $num_add_index . "','" . $num_remove_index . "'"
 343                    . ', this ,' . "'" . htmlspecialchars($matching_tables[$i]) . "'" . ')"/>';
 344                 }
 345                 /**
 346                 * Display the green button of data synchronization if there exists any data difference.
 347                 */
 348                 if (isset($update_array[$i]) || isset($insert_array[$i])) {
 349                     if (isset($update_array[$i][0][$matching_tables_keys[$i][0]]) || isset($insert_array[$i][0][$matching_tables_keys[$i][0]])) {
 350
 351                         echo '<img class="icon data_img" src="' . $pmaThemeImage . 'new_data.jpg" width="29" height="29"
 352                         alt="' . __('Click to select') . '"
 353                          onclick="showDetails('. "'MD" . $i . "','" . $num_of_updates . "','" . $num_of_insertions .
 354                          "','" . null . "','" . null . "','" . null . "'" . ', this ,' . "'" . htmlspecialchars($matching_tables[$i]) . "'" . ')" />';
 355                     }
 356                 }
 357                 echo '</td>
 358                 </tr>';
 359             }
 360             /**
 361             * Displays the tables' names present in source but missing from target
 362             */
 363             for ($j = 0; $j < count($source_tables_uncommon); $j++) {
 364                 $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 365                 echo '<td> + ' . htmlspecialchars($source_tables_uncommon[$j]) . '</td> ';
 366
 367                 echo '<td align="center"><img class="icon struct_img" src="' . $pmaThemeImage .  'new_struct.jpg" width="29"  height="29"
 368                 alt="' . __('Click to select') . '"
 369                 onclick="showDetails(' . "'US" . $j . "','" . null . "','" . null . "','" . null . "','" . null . "','" . null . "'" . ', this ,'
 370                 . "'" . htmlspecialchars($source_tables_uncommon[$j]) . "'" . ')"/>';
 371
 372                 if ($row_count[$j] > 0)
 373                 {
 374                     echo '<img class="icon data_img" src="' . $pmaThemeImage . 'new_data.jpg" width="29" height="29"
 375                     alt="' . __('Click to select') . '"
 376                     onclick="showDetails(' . "'UD" . $j . "','" . null . "','" . $row_count[$j] . "','" . null .
 377                     "','" . null . "','" . null . "'" . ', this ,' . "'" . htmlspecialchars($source_tables_uncommon[$j]) . "'" . ')" />';
 378                 }
 379                 echo '</td>
 380                 </tr>';
 381             }
 382             foreach ($target_tables_uncommon as $tbl_nc_name) {
 383                 $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 384                 echo '<td height="32">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </td><td></td>';
 385                 echo '</tr>';
 386             }
 387             /**
 388             * Displays the target tables names
 389             */
 390             echo '</table>';
 391
 392             $odd_row = PMA_syncDisplayHeaderTargetAndMatchingTables($trg_db, $matching_tables);
 393             foreach ($source_tables_uncommon as $tbl_nc_name) {
 394                 $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 395                 echo '<td height="32">' . htmlspecialchars($tbl_nc_name) . ' (' . __('not present') . ')</td>
 396                 </tr>';
 397             }
 398             foreach ($target_tables_uncommon as $tbl_nc_name) {
 399                 $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 400                 echo '<td> - ' . htmlspecialchars($tbl_nc_name) . '</td>';
 401                 echo '</tr>';
 402             }
 403             echo '</table>';
 404             echo '</div>';
 405
 406             /**
 407             * This "list" div will contain a table and each row will depict information about structure/data diffrence in tables.
 408             * Rows will be generated dynamically as soon as the colored  buttons "D" or "S"  are clicked.
 409             */
 410
 411             echo '<div id="list" style = "overflow: auto; width: 1020px; height: 140px;
 412             border-left: 1px gray solid; border-bottom: 1px gray solid;
 413             padding:0px; margin: 0px">
 414
 415             <table>
 416                 <thead>
 417                 <tr style="width: 100%;">
 418                     <th id="table_name" style="width: 10%;" colspan="1">' . __('Table') . ' </th>
 419                     <th id="str_diff"   style="width: 65%;" colspan="6">' . __('Structure Difference') . ' </th>
 420                     <th id="data_diff"  style="width: 20%;" colspan="2">' . __('Data Difference') . '</th>
 421                 </tr>
 422                 <tr style="width: 100%;">
 423                     <th style="width: 10%;">' . __('Table name') . '</th>
 424                     <th style="width: 10%;">' . __('Create table'). '</th>
 425                     <th style="width: 11%;">' . __('Add column(s)') . '</th>
 426                     <th style="width: 13%;">' . __('Remove column(s)') . '</th>
 427                     <th style="width: 11%;">' . __('Alter column(s)') . '</th>
 428                     <th style="width: 12%;">' . __('Remove index(s)') . '</th>
 429                     <th style="width: 11%;">' . __('Apply index(s)') . '</th>
 430                     <th style="width: 10%;">'.  __('Update row(s)') . '</th>
 431                     <th style="width: 10%;">' . __('Insert row(s)') . '</th>
 432                 </tr>
 433                 </thead>
 434                 <tbody></tbody>
 435             </table>
 436             </div>';
 437             /**
 438             *  This fieldset displays the checkbox to confirm deletion of previous rows from target tables
 439             */
 440             echo '<fieldset>
 441             <p><input type= "checkbox" name="delete_rows" id ="delete_rows" /><label for="delete_rows">' . __('Would you like to delete all the previous rows from target tables?') . '</label> </p>
 442             </fieldset>
 443             <fieldset class="tblFooters">';
 444             echo '<input type="button" name="apply_changes" value="' . __('Apply Selected Changes')
 445              . '" onclick ="ApplySelectedChanges(' . "'" . htmlspecialchars($_SESSION['token']) . "'" . ')" />';
 446             echo '<input type="submit" name="synchronize_db" value="' . __('Synchronize Databases') . '" />' . '</fieldset>';
 447             echo '</form>';
 448         }
 449     }
 450 } // end if ((isset($_REQUEST['submit_connect'])))
 451
 452  /**
 453  * Display the page when 'Apply Selected Changes' is pressed
 454  */
 455 if (isset($_REQUEST['Table_ids'])) {
 456     /**
 457     * Displays success message
 458     */
 459     echo '<div class="success">' . __('Selected target tables have been synchronized with source tables.') . '</div>';
 460
 461     $src_db = $_SESSION['src_db'];
 462     $trg_db = $_SESSION['trg_db'];
 463     $update_array = $_SESSION['update_array'];
 464     $insert_array = $_SESSION['insert_array'];
 465     $src_username = $_SESSION['src_username'];
 466     $trg_username = $_SESSION['trg_username'];
 467     $src_password = $_SESSION['src_password'];
 468     $trg_password = $_SESSION['trg_password'];
 469     $src_server   = $_SESSION['src_server'];
 470     $trg_server   = $_SESSION['trg_server'];
 471     $src_type     = $_SESSION['src_type'];
 472     $trg_type     = $_SESSION['trg_type'];
 473     $uncommon_tables = $_SESSION['uncommon_tables'];
 474     $matching_tables = $_SESSION['matching_tables'];
 475     $matching_tables_keys = $_SESSION['matching_tables_keys'];
 476     $matching_tables_fields = $_SESSION['matching_fields'];
 477     $source_tables_uncommon = $_SESSION['src_uncommon_tables'];
 478     $uncommon_tables_fields = $_SESSION['uncommon_tables_fields'];
 479     $target_tables_uncommon = $_SESSION['target_tables_uncommon'];
 480     $row_count = $_SESSION['uncommon_tables_row_count'];
 481     $target_tables = $_SESSION['target_tables'];
 482
 483     $delete_array = $_SESSION['delete_array'];
 484     $uncommon_columns = $_SESSION['uncommon_columns'];
 485     $source_columns = $_SESSION['source_columns'];
 486     $alter_str_array = $_SESSION['alter_str_array'];
 487     $criteria = $_SESSION['criteria'];
 488     $target_tables_keys = $_SESSION['target_tables_keys'];
 489     $add_column_array = $_SESSION['add_column_array'];
 490     $add_indexes_array = $_SESSION['add_indexes_array'];
 491     $alter_indexes_array = $_SESSION['alter_indexes_array'];
 492     $remove_indexes_array = $_SESSION['remove_indexes_array'];
 493     $source_indexes = $_SESSION['source_indexes'];
 494     $target_indexes = $_SESSION['target_indexes'];
 495     $uncommon_cols = $uncommon_columns;
 496
 497     /**
 498     * Creating link object for source and target databases
 499     */
 500     foreach ($cons as $con) {
 501         if (${"{$con}_type"} != "cur") {
 502             ${"{$con}_link"} = PMA_DBI_connect(${"{$con}_username"}, ${"{$con}_password"}, $is_controluser = false, ${"{$con}_server"});
 503         } else {
 504             ${"{$con}_link"} = null;
 505             // working on current server, so initialize this for tracking
 506             // (does not work if user defined current server as a remote one)
 507             $GLOBALS['db'] = ${"{$con}_db"};
 508         }
 509     } // end foreach ($cons as $con)
 510
 511     /**
 512     * Initializing arrays to save the table ids whose data and structure difference is to be applied
 513     */
 514     $matching_table_data_diff = array();  //stores id of matching table having data difference
 515     $matching_table_structure_diff = array(); //stores id of matching tables having structure difference
 516     $uncommon_table_structure_diff = array(); //stores id of uncommon tables having structure difference
 517     $uncommon_table_data_diff = array();     //stores id of uncommon tables having data difference
 518
 519     for ($i = 0; isset($_REQUEST[$i]); $i++ ) {
 520         if (isset($_REQUEST[$i])) {
 521             $table_id = explode("US", $_REQUEST[$i]);
 522             if (isset($table_id[1])) {
 523                 $uncommon_table_structure_diff[] = $table_id[1];
 524             }
 525             $table_id = explode("UD", $_REQUEST[$i]);
 526             if (isset($table_id[1])) {
 527                 $uncommon_table_data_diff[] = $table_id[1];
 528             }
 529             $table_id = explode("MS", $_REQUEST[$i]);
 530             if (isset($table_id[1])) {
 531                 $matching_table_structure_diff[] = $table_id[1];
 532             }
 533
 534             $table_id = explode("MD", $_REQUEST[$i]);
 535             if (isset($table_id[1])) {
 536                  $matching_table_data_diff[] = $table_id[1];
 537             }
 538         }
 539     } // end for
 540     /**
 541     * Applying the structure difference on selected matching tables
 542     */
 543     for($q = 0; $q < sizeof($matching_table_structure_diff); $q++)
 544     {
 545         if (isset($alter_str_array[$matching_table_structure_diff[$q]])) {
 546
 547             PMA_alterTargetTableStructure($trg_db, $trg_link, $matching_tables, $source_columns, $alter_str_array, $matching_tables_fields,
 548             $criteria, $matching_tables_keys, $target_tables_keys, $matching_table_structure_diff[$q], false);
 549
 550             unset($alter_str_array[$matching_table_structure_diff[$q]]);
 551         }
 552         if (isset($add_column_array[$matching_table_structure_diff[$q]])) {
 553
 554             PMA_findDeleteRowsFromTargetTables($delete_array, $matching_tables, $matching_table_structure_diff[$q], $target_tables_keys,
 555             $matching_tables_keys, $trg_db, $trg_link, $src_db, $src_link);
 556
 557             if (isset($delete_array[$matching_table_structure_diff[$q]])) {
 558
 559                 PMA_deleteFromTargetTable($trg_db, $trg_link, $matching_tables, $matching_table_structure_diff[$q], $target_tables_keys, $delete_array, false);
 560
 561                 unset($delete_array[$matching_table_structure_diff[$q]]);
 562             }
 563             PMA_addColumnsInTargetTable($src_db, $trg_db,$src_link, $trg_link, $matching_tables, $source_columns, $add_column_array, $matching_tables_fields,
 564             $criteria, $matching_tables_keys, $target_tables_keys, $uncommon_tables,$uncommon_tables_fields, $matching_table_structure_diff[$q], $uncommon_cols, false);
 565
 566             unset($add_column_array[$matching_table_structure_diff[$q]]);
 567         }
 568         if (isset($uncommon_columns[$matching_table_structure_diff[$q]])) {
 569
 570             PMA_removeColumnsFromTargetTable($trg_db, $trg_link, $matching_tables, $uncommon_columns, $matching_table_structure_diff[$q], false);
 571
 572             unset($uncommon_columns[$matching_table_structure_diff[$q]]);
 573         }
 574         if (isset($add_indexes_array[$matching_table_structure_diff[$q]]) || isset($remove_indexes_array[$matching_table_structure_diff[$q]])
 575             || isset($alter_indexes_array[$matching_table_structure_diff[$q]])) {
 576
 577             PMA_applyIndexesDiff ($trg_db, $trg_link, $matching_tables, $source_indexes, $target_indexes, $add_indexes_array, $alter_indexes_array,
 578             $remove_indexes_array, $matching_table_structure_diff[$q], false);
 579
 580             unset($add_indexes_array[$matching_table_structure_diff[$q]]);
 581             unset($alter_indexes_array[$matching_table_structure_diff[$q]]);
 582             unset($remove_indexes_array[$matching_table_structure_diff[$q]]);
 583         }
 584     }
 585     /**
 586     * Applying the data difference. First checks if structure diff is applied or not.
 587     * If not, then apply structure difference first then apply data difference.
 588     */
 589     for($p = 0; $p < sizeof($matching_table_data_diff); $p++)
 590     {
 591         if ($_REQUEST['checked'] == 'true') {
 592
 593             PMA_findDeleteRowsFromTargetTables($delete_array, $matching_tables, $matching_table_data_diff[$p], $target_tables_keys,
 594             $matching_tables_keys, $trg_db, $trg_link, $src_db, $src_link);
 595
 596             if (isset($delete_array[$matching_table_data_diff[$p]])) {
 597
 598                 PMA_deleteFromTargetTable($trg_db, $trg_link, $matching_tables, $matching_table_data_diff[$p], $target_tables_keys, $delete_array, false);
 599
 600                 unset($delete_array[$matching_table_data_diff[$p]]);
 601             }
 602         }
 603         if (isset($alter_str_array[$matching_table_data_diff[$p]])) {
 604
 605             PMA_alterTargetTableStructure($trg_db, $trg_link, $matching_tables, $source_columns, $alter_str_array, $matching_tables_fields,
 606             $criteria, $matching_tables_keys, $target_tables_keys, $matching_table_data_diff[$p], false);
 607
 608             unset($alter_str_array[$matching_table_data_diff[$p]]);
 609         }
 610         if (isset($add_column_array[$matching_table_data_diff[$p]])) {
 611
 612             PMA_findDeleteRowsFromTargetTables($delete_array, $matching_tables, $matching_table_data_diff[$p], $target_tables_keys,
 613             $matching_tables_keys, $trg_db, $trg_link, $src_db, $src_link);
 614
 615             if (isset($delete_array[$matching_table_data_diff[$p]])) {
 616
 617                 PMA_deleteFromTargetTable($trg_db, $trg_link, $matching_tables, $matching_table_data_diff[$p], $target_tables_keys, $delete_array, false);
 618
 619                 unset($delete_array[$matching_table_data_diff[$p]]);
 620             }
 621             PMA_addColumnsInTargetTable($src_db, $trg_db,$src_link, $trg_link, $matching_tables, $source_columns, $add_column_array, $matching_tables_fields,
 622             $criteria, $matching_tables_keys, $target_tables_keys, $uncommon_tables, $uncommon_tables_fields, $matching_table_data_diff[$p], $uncommon_cols, false);
 623
 624             unset($add_column_array[$matching_table_data_diff[$p]]);
 625         }
 626         if (isset($uncommon_columns[$matching_table_data_diff[$p]])) {
 627
 628             PMA_removeColumnsFromTargetTable($trg_db, $trg_link, $matching_tables, $uncommon_columns, $matching_table_data_diff[$p], false);
 629
 630             unset($uncommon_columns[$matching_table_data_diff[$p]]);
 631         }
 632         if ((isset($matching_table_structure_diff[$q]) && isset($add_indexes_array[$matching_table_structure_diff[$q]]))
 633             || (isset($matching_table_structure_diff[$q]) && isset($remove_indexes_array[$matching_table_structure_diff[$q]]))
 634             || (isset($matching_table_structure_diff[$q]) && isset($alter_indexes_array[$matching_table_structure_diff[$q]]))) {
 635
 636             PMA_applyIndexesDiff ($trg_db, $trg_link, $matching_tables, $source_indexes, $target_indexes, $add_indexes_array, $alter_indexes_array,
 637             $remove_indexes_array, $matching_table_structure_diff[$q], false);
 638
 639             unset($add_indexes_array[$matching_table_structure_diff[$q]]);
 640             unset($alter_indexes_array[$matching_table_structure_diff[$q]]);
 641             unset($remove_indexes_array[$matching_table_structure_diff[$q]]);
 642         }
 643         /**
 644         * Applying the data difference.
 645         */
 646         PMA_updateTargetTables($matching_tables, $update_array, $src_db, $trg_db, $trg_link, $matching_table_data_diff[$p], $matching_tables_keys, false);
 647
 648         PMA_insertIntoTargetTable($matching_tables, $src_db, $trg_db, $src_link, $trg_link , $matching_tables_fields, $insert_array,
 649         $matching_table_data_diff[$p], $matching_tables_keys, $source_columns, $add_column_array, $criteria, $target_tables_keys,
 650         $uncommon_tables, $uncommon_tables_fields, $uncommon_cols, $alter_str_array, $source_indexes, $target_indexes, $add_indexes_array,
 651         $alter_indexes_array, $delete_array, $update_array, false);
 652     }
 653     /**
 654     * Updating the session variables to the latest values of the arrays.
 655     */
 656     $_SESSION['delete_array'] = $delete_array;
 657     $_SESSION['uncommon_columns'] = $uncommon_columns;
 658     $_SESSION['alter_str_array']  = $alter_str_array;
 659     $_SESSION['add_column_array'] = $add_column_array;
 660     $_SESSION['add_indexes_array'] = $add_indexes_array;
 661     $_SESSION['remove_indexes_array'] = $remove_indexes_array;
 662     $_SESSION['insert_array'] = $insert_array;
 663     $_SESSION['update_array'] = $update_array;
 664
 665     /**
 666     * Applying structure difference to selected non-matching tables (present in Source but absent from Target).
 667     */
 668     for($s = 0; $s < sizeof($uncommon_table_structure_diff); $s++)
 669     {
 670         PMA_createTargetTables($src_db, $trg_db, $src_link, $trg_link, $uncommon_tables, $uncommon_table_structure_diff[$s], $uncommon_tables_fields, false);
 671         $_SESSION['uncommon_tables_fields'] = $uncommon_tables_fields;
 672
 673         unset($uncommon_tables[$uncommon_table_structure_diff[$s]]);
 674     }
 675     /**
 676     * Applying data difference to selected non-matching tables (present in Source but absent from Target).
 677     * Before data synchronization, structure synchronization is confirmed.
 678     */
 679     for($r = 0; $r < sizeof($uncommon_table_data_diff); $r++)
 680     {
 681         if (!(in_array($uncommon_table_data_diff[$r], $uncommon_table_structure_diff))) {
 682             if (isset($uncommon_tables[$uncommon_table_data_diff[$r]])) {
 683
 684                 PMA_createTargetTables($src_db, $trg_db, $src_link, $trg_link, $uncommon_tables, $uncommon_table_data_diff[$r],
 685                     $uncommon_tables_fields, false);
 686                 $_SESSION['uncommon_tables_fields'] = $uncommon_tables_fields;
 687
 688                 unset($uncommon_tables[$uncommon_table_data_diff[$r]]);
 689             }
 690         }
 691         PMA_populateTargetTables($src_db, $trg_db, $src_link, $trg_link, $source_tables_uncommon, $uncommon_table_data_diff[$r],
 692             $_SESSION['uncommon_tables_fields'], false);
 693
 694         unset($row_count[$uncommon_table_data_diff[$r]]);
 695     }
 696     /**
 697     * Again all the tables from source and target database are displayed with their differences.
 698     * The differences have been removed from tables that have been synchronized
 699     */
 700     echo '<form name="applied_difference" id="synchronize_form" method="post" action="server_synchronize.php">'
 701         . PMA_generate_common_hidden_inputs('', '');
 702
 703     PMA_syncDisplayHeaderSource($src_db);
 704     $odd_row = false;
 705     for($i = 0; $i < count($matching_tables); $i++) {
 706         $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 707         echo '<td align="center">' . htmlspecialchars($matching_tables[$i]) . '</td>
 708         <td align="center">';
 709
 710         $num_alter_cols  = 0;
 711         $num_insert_cols = 0;
 712         $num_remove_cols = 0;
 713         $num_add_index = 0;
 714         $num_remove_index = 0;
 715
 716         if (isset($alter_str_array[$i])) {
 717             $num_alter_cols = sizeof($alter_str_array[$i]);
 718         }
 719         if (isset($add_column_array[$i])) {
 720             $num_insert_cols = sizeof($add_column_array[$i]);
 721         }
 722         if (isset($uncommon_columns[$i])) {
 723             $num_remove_cols = sizeof($uncommon_columns[$i]);
 724         }
 725         if (isset($add_indexes_array[$i])) {
 726             $num_add_index = sizeof($add_indexes_array[$i]);
 727         }
 728         if (isset($remove_indexes_array[$i])) {
 729             $num_remove_index = sizeof($remove_indexes_array[$i]);
 730         }
 731
 732         if (($num_alter_cols > 0) || ($num_insert_cols > 0) || ($num_remove_cols > 0) || ($num_add_index > 0) || ($num_remove_index > 0)) {
 733             echo '<img class="icon struct_img" src="' . $pmaThemeImage .  'new_struct.jpg" width="29"  height="29"
 734             alt="' . __('Click to select') . '"
 735             onclick="showDetails(' . "'MS" . $i . "','" . $num_alter_cols . "','" . $num_insert_cols . "','" . $num_remove_cols . "','" . $num_add_index . "','" . $num_remove_index . "'" .',
 736             this ,' . "'" . htmlspecialchars($matching_tables[$i]) . "'" . ')"/>';
 737         }
 738         if (!(in_array($i, $matching_table_data_diff))) {
 739
 740             if (isset($matching_tables_keys[$i][0]) && isset($update_array[$i][0][$matching_tables_keys[$i][0]])) {
 741                 if (isset($update_array[$i])) {
 742                     $num_of_updates = sizeof($update_array[$i]);
 743                 } else {
 744                     $num_of_updates = 0;
 745                 }
 746             } else {
 747                 $num_of_updates = 0;
 748             }
 749             if (isset($matching_tables_keys[$i][0]) && isset($insert_array[$i][0][$matching_tables_keys[$i][0]])) {
 750                 if (isset($insert_array[$i])) {
 751                     $num_of_insertions = sizeof($insert_array[$i]);
 752                 } else {
 753                     $num_of_insertions = 0;
 754                 }
 755             } else {
 756                 $num_of_insertions = 0;
 757             }
 758
 759             if ((isset($matching_tables_keys[$i][0]) && isset($update_array[$i][0][$matching_tables_keys[$i][0]]))
 760                 || (isset($matching_tables_keys[$i][0]) && isset($insert_array[$i][0][$matching_tables_keys[$i][0]]))) {
 761                 echo '<img class="icon data_img" src="' . $pmaThemeImage . 'new_data.jpg" width="29" height="29"
 762                 alt="' . __('Click to select') . '"
 763                 onclick="showDetails(' . "'MD" . $i . "','" . $num_of_updates . "','" . $num_of_insertions .
 764                 "','" . null . "','" . null . "','" . null . "'" .', this ,' . "'" . htmlspecialchars($matching_tables[$i]) . "'" . ')" />';
 765             }
 766         } else {
 767             unset($update_array[$i]);
 768             unset($insert_array[$i]);
 769         }
 770         echo '</td>
 771         </tr>';
 772     }
 773     /**
 774     * placing updated value of arrays in session
 775     *
 776     */
 777     $_SESSION['update_array'] = $update_array;
 778     $_SESSION['insert_array'] = $insert_array;
 779
 780     for ($j = 0; $j < count($source_tables_uncommon); $j++) {
 781         $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 782         echo '<td align="center"> + ' . htmlspecialchars($source_tables_uncommon[$j]) . '</td>
 783         <td align="center">';
 784         /**
 785         * Display the difference only when it has not been applied
 786         */
 787         if (!(in_array($j, $uncommon_table_structure_diff))) {
 788             if (isset($uncommon_tables[$j])) {
 789                 echo '<img class="icon struct_img" src="' . $pmaThemeImage  . 'new_struct.jpg" width="29"  height="29"
 790                 alt="' . __('Click to select') . '"
 791                 onclick="showDetails(' . "'US" . $j . "','" . null . "','" . null . "','" . null . "','" . null . "','" . null . "'" . ', this ,' . "'" . htmlspecialchars($source_tables_uncommon[$j]) . "'" . ')"/>' .' ';
 792             }
 793         } else {
 794             unset($uncommon_tables[$j]);
 795         }
 796         /**
 797         * Display the difference only when it has not been applied
 798         */
 799         if (!(in_array($j, $uncommon_table_data_diff))) {
 800             if (isset($row_count[$j]) && ($row_count > 0)) {
 801                 echo '<img class="icon data_img" src="' . $pmaThemeImage . 'new_data.jpg" width="29" height="29"
 802                 alt="' . __('Click to select') . '"
 803                 onclick="showDetails(' . "'UD" . $j . "','" . null ."','" . $row_count[$j] ."','"
 804                 . null . "','" . null . "','" . null . "'" . ', this ,' . "'". htmlspecialchars($source_tables_uncommon[$j]) . "'" . ')" />';
 805             }
 806         } else {
 807             unset($row_count[$j]);
 808         }
 809
 810         echo '</td>
 811         </tr>';
 812     }
 813     /**
 814     * placing the latest values of arrays in session
 815     */
 816
 817     $_SESSION['uncommon_tables'] = $uncommon_tables;
 818     $_SESSION['uncommon_tables_row_count'] = $row_count;
 819
 820
 821     /**
 822     * Displaying the target database tables
 823     */
 824     foreach ($target_tables_uncommon as $tbl_nc_name) {
 825         $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 826         echo '<td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </td><td></td>';
 827         echo '</tr>';
 828     }
 829     echo '</table>';
 830     $odd_row = PMA_syncDisplayHeaderTargetAndMatchingTables($trg_db, $matching_tables);
 831     foreach ($source_tables_uncommon as $tbl_nc_name) {
 832         $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 833         if (in_array($tbl_nc_name, $uncommon_tables)) {
 834             echo '<td>' . htmlspecialchars($tbl_nc_name) . ' (' .  __('not present') . ')</td>';
 835         } else {
 836             echo '<td>' . htmlspecialchars($tbl_nc_name) . '</td>';
 837         }
 838         echo '
 839         </tr>';
 840     }
 841     foreach ($target_tables_uncommon as $tbl_nc_name) {
 842         $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 843         echo '<td> - ' . htmlspecialchars($tbl_nc_name) . '</td>';
 844         echo '</tr>';
 845     }
 846     echo '</table>
 847     </div>';
 848
 849     /**
 850     * This "list" div will contain a table and each row will depict information about structure/data diffrence in tables.
 851     * Rows will be generated dynamically as soon as the colored  buttons "D" or "S"  are clicked.
 852     */
 853
 854     echo '<div id="list" style = "overflow: auto; width: 1020px; height: 140px;
 855           border-left: 1px gray solid; border-bottom: 1px gray solid;
 856           padding:0px; margin: 0px">';
 857
 858     echo '<table>
 859           <thead>
 860             <tr style="width: 100%;">
 861                 <th id="table_name" style="width: 10%;" colspan="1">' . __('Table') . ' </th>
 862                 <th id="str_diff"   style="width: 65%;" colspan="6">' . __('Structure Difference') . ' </th>
 863                 <th id="data_diff"  style="width: 20%;" colspan="2">' . __('Data Difference') . '</th>
 864             </tr>
 865             <tr style="width: 100%;">
 866                 <th style="width: 10%;">' . __('Table name') . '</th>
 867                 <th style="width: 10%;">' . __('Create table'). '</th>
 868                 <th style="width: 11%;">' . __('Add column(s)') . '</th>
 869                 <th style="width: 13%;">' . __('Remove column(s)') . '</th>
 870                 <th style="width: 11%;">' . __('Alter column(s)') . '</th>
 871                 <th style="width: 12%;">' . __('Remove index(s)') . '</th>
 872                 <th style="width: 11%;">' . __('Apply index(s)') . '</th>
 873                 <th style="width: 10%;">' . __('Update row(s)') . '</th>
 874                 <th style="width: 10%;">' . __('Insert row(s)') . '</th>
 875             </tr>
 876             </thead>
 877             <tbody></tbody>
 878          </table>
 879         </div>';
 880
 881     /**
 882     *  This fieldset displays the checkbox to confirm deletion of previous rows from target tables
 883     */
 884     echo '<fieldset>
 885     <p><input type="checkbox" name="delete_rows" id ="delete_rows" /><label for="delete_rows">' . __('Would you like to delete all the previous rows from target tables?') . '</label> </p>
 886     </fieldset>';
 887
 888     echo '<fieldset class="tblFooters">';
 889     echo '<input type="button" name="apply_changes" value="' . __('Apply Selected Changes') . '"
 890           onclick ="ApplySelectedChanges(' . "'" . htmlspecialchars($_SESSION['token']) . "'" .')" />';
 891     echo '<input type="submit" name="synchronize_db" value="' . __('Synchronize Databases') . '" />'
 892           . '</fieldset>';
 893     echo '</form>';
 894 }
 895
 896 /**
 897 * Displays the page when 'Synchronize Databases' is pressed.
 898 */
 899
 900 if (isset($_REQUEST['synchronize_db'])) {
 901
 902     $src_db = $_SESSION['src_db'];
 903     $trg_db = $_SESSION['trg_db'];
 904     $update_array = $_SESSION['update_array'];
 905     $insert_array = $_SESSION['insert_array'];
 906     $src_username = $_SESSION['src_username'];
 907     $trg_username = $_SESSION['trg_username'];
 908     $src_password = $_SESSION['src_password'];
 909     $trg_password = $_SESSION['trg_password'];
 910     $matching_tables = $_SESSION['matching_tables'];
 911     $matching_tables_keys = $_SESSION['matching_tables_keys'];
 912     $matching_tables_fields = $_SESSION['matching_fields'];
 913     $source_tables_uncommon = $_SESSION['src_uncommon_tables'];
 914     $uncommon_tables_fields = $_SESSION['uncommon_tables_fields'];
 915     $target_tables_uncommon = $_SESSION['target_tables_uncommon'];
 916     $row_count = $_SESSION['uncommon_tables_row_count'];
 917     $uncommon_tables = $_SESSION['uncommon_tables'];
 918     $target_tables = $_SESSION['target_tables'];
 919
 920     $delete_array = $_SESSION['delete_array'];
 921     $uncommon_columns = $_SESSION['uncommon_columns'];
 922     $source_columns = $_SESSION['source_columns'];
 923     $alter_str_array = $_SESSION['alter_str_array'];
 924     $criteria = $_SESSION['criteria'];
 925     $target_tables_keys = $_SESSION['target_tables_keys'];
 926     $add_column_array = $_SESSION['add_column_array'];
 927     $add_indexes_array = $_SESSION['add_indexes_array'];
 928     $alter_indexes_array = $_SESSION['alter_indexes_array'];
 929     $remove_indexes_array = $_SESSION['remove_indexes_array'];
 930     $source_indexes = $_SESSION['source_indexes'];
 931     $target_indexes = $_SESSION['target_indexes'];
 932     $uncommon_cols = $uncommon_columns;
 933
 934    /**
 935    * Display success message.
 936    */
 937     echo '<div class="success">' . __('Target database has been synchronized with source database') . '</div>';
 938     /**
 939     * Displaying all the tables of source and target database and now no difference is there.
 940     */
 941     PMA_syncDisplayHeaderSource($src_db);
 942
 943         $odd_row = false;
 944         for($i = 0; $i < count($matching_tables); $i++)
 945         {
 946             $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 947             echo '<td>' . htmlspecialchars($matching_tables[$i]) . '</td>
 948             <td></td>
 949             </tr>';
 950         }
 951         for ($j = 0; $j < count($source_tables_uncommon); $j++) {
 952             $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 953             echo '<td> + ' . htmlspecialchars($source_tables_uncommon[$j]) . '</td> ';
 954             echo '<td></td>
 955             </tr>';
 956         }
 957         foreach ($target_tables_uncommon as $tbl_nc_name) {
 958             $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 959             echo '<td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </td><td></td>';
 960             echo '</tr>';
 961         }
 962         echo '</table>';
 963         $odd_row = PMA_syncDisplayHeaderTargetAndMatchingTables($trg_db, $matching_tables);
 964         foreach ($source_tables_uncommon as $tbl_nc_name) {
 965             $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 966             echo '<td>' . htmlspecialchars($tbl_nc_name) . ' </td>
 967             </tr>';
 968         }
 969         foreach ($target_tables_uncommon as $tbl_nc_name) {
 970             $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 971             echo '<td>  ' . htmlspecialchars($tbl_nc_name) . '</td>';
 972             echo '</tr>';
 973         }
 974     echo '</table> </div>';
 975
 976     /**
 977     * connecting the source and target servers
 978     */
 979     if ('cur' != $_SESSION['src_type']) {
 980         $src_link = PMA_DBI_connect($src_username, $src_password, $is_controluser = false, $_SESSION['src_server']);
 981     } else {
 982         $src_link = $GLOBALS['userlink'];
 983         // working on current server, so initialize this for tracking
 984         // (does not work if user defined current server as a remote one)
 985         $GLOBALS['db'] = $_SESSION['src_db'];
 986     }
 987     if ('cur' != $_SESSION['trg_type']) {
 988         $trg_link = PMA_DBI_connect($trg_username, $trg_password, $is_controluser = false, $_SESSION['trg_server']);
 989     } else {
 990         $trg_link = $GLOBALS['userlink'];
 991         // working on current server, so initialize this for tracking
 992         $GLOBALS['db'] = $_SESSION['trg_db'];
 993     }
 994
 995     /**
 996     * Displaying the queries.
 997     */
 998     echo '<h5>' . __('The following queries have been executed:') . '</h5>';
 999     echo '<div id="serverstatus" style = "overflow: auto; width: 1050px; height: 180px;
1000          border-left: 1px gray solid; border-bottom: 1px gray solid; padding: 0px; margin: 0px"> ';
1001     /**
1002     * Applying all sorts of differences for each matching table
1003     */
1004     for($p = 0; $p < sizeof($matching_tables); $p++) {
1005         /**
1006         *  If the check box is checked for deleting previous rows from the target database tables then
1007         *  first find out rows to be deleted and then delete the rows.
1008         */
1009         if (isset($_REQUEST['delete_rows'])) {
1010             PMA_findDeleteRowsFromTargetTables($delete_array, $matching_tables, $p, $target_tables_keys, $matching_tables_keys,
1011                 $trg_db, $trg_link, $src_db, $src_link);
1012
1013             if (isset($delete_array[$p])) {
1014                 PMA_deleteFromTargetTable($trg_db, $trg_link, $matching_tables, $p, $target_tables_keys, $delete_array, true);
1015                 unset($delete_array[$p]);
1016             }
1017         }
1018         if (isset($alter_str_array[$p])) {
1019             PMA_alterTargetTableStructure($trg_db, $trg_link, $matching_tables, $source_columns, $alter_str_array, $matching_tables_fields,
1020             $criteria, $matching_tables_keys, $target_tables_keys, $p, true);
1021             unset($alter_str_array[$p]);
1022         }
1023         if (! empty($add_column_array[$p])) {
1024             PMA_findDeleteRowsFromTargetTables($delete_array, $matching_tables, $p, $target_tables_keys, $matching_tables_keys,
1025             $trg_db, $trg_link, $src_db, $src_link);
1026
1027             if (isset($delete_array[$p])) {
1028                 PMA_deleteFromTargetTable($trg_db, $trg_link, $matching_tables, $p, $target_tables_keys, $delete_array, true);
1029                 unset($delete_array[$p]);
1030             }
1031             PMA_addColumnsInTargetTable($src_db, $trg_db, $src_link, $trg_link, $matching_tables, $source_columns, $add_column_array,
1032                 $matching_tables_fields, $criteria, $matching_tables_keys, $target_tables_keys, $uncommon_tables, $uncommon_tables_fields,
1033                 $p, $uncommon_cols, true);
1034             unset($add_column_array[$p]);
1035         }
1036         if (isset($uncommon_columns[$p])) {
1037             PMA_removeColumnsFromTargetTable($trg_db, $trg_link, $matching_tables, $uncommon_columns, $p, true);
1038             unset($uncommon_columns[$p]);
1039         }
1040         if (isset($matching_table_structure_diff) &&
1041             (isset($add_indexes_array[$matching_table_structure_diff[$p]])
1042             || isset($remove_indexes_array[$matching_table_structure_diff[$p]])
1043             || isset($alter_indexes_array[$matching_table_structure_diff[$p]]))) {
1044             PMA_applyIndexesDiff ($trg_db, $trg_link, $matching_tables, $source_indexes, $target_indexes, $add_indexes_array, $alter_indexes_array,
1045             $remove_indexes_array, $matching_table_structure_diff[$p], true);
1046
1047             unset($add_indexes_array[$matching_table_structure_diff[$p]]);
1048             unset($alter_indexes_array[$matching_table_structure_diff[$p]]);
1049             unset($remove_indexes_array[$matching_table_structure_diff[$p]]);
1050         }
1051
1052         PMA_updateTargetTables($matching_tables, $update_array, $src_db, $trg_db, $trg_link, $p, $matching_tables_keys, true);
1053
1054         PMA_insertIntoTargetTable($matching_tables, $src_db, $trg_db, $src_link, $trg_link , $matching_tables_fields, $insert_array, $p,
1055             $matching_tables_keys, $matching_tables_keys, $source_columns, $add_column_array, $criteria, $target_tables_keys, $uncommon_tables,
1056             $uncommon_tables_fields,$uncommon_cols, $alter_str_array,$source_indexes, $target_indexes, $add_indexes_array,
1057             $alter_indexes_array, $delete_array, $update_array, true);
1058     }
1059
1060     /**
1061     *  Creating and populating tables present in source but absent from target database.
1062     */
1063     for($q = 0; $q < sizeof($source_tables_uncommon); $q++) {
1064         if (isset($uncommon_tables[$q])) {
1065             PMA_createTargetTables($src_db, $trg_db, $src_link, $trg_link, $source_tables_uncommon, $q, $uncommon_tables_fields, true);
1066         }
1067         if (isset($row_count[$q])) {
1068             PMA_populateTargetTables($src_db, $trg_db, $src_link, $trg_link, $source_tables_uncommon, $q, $uncommon_tables_fields, true);
1069         }
1070     }
1071     echo "</div>";
1072 }
1073
1074 /**
1075  * Displays the main page when none of the following buttons is pressed
1076  */
1077
1078  if (! isset($_REQUEST['submit_connect']) && ! isset($_REQUEST['synchronize_db']) && ! isset($_REQUEST['Table_ids']) )
1079 {
1080 /**
1081 * Displays the sub-page heading
1082 */
1083     echo '<h2>' . ($GLOBALS['cfg']['MainPageIconic']
1084     ? '<img class="icon" src="' . $pmaThemeImage . 's_sync.png" width="18"'
1085         . ' height="18" alt="" />'
1086     : '')
1087     . __('Synchronize')
1088     .'</h2>';
1089
1090     echo  '<div id="serverstatus">
1091     <form name="connection_form" id="connection_form" method="post" action="server_synchronize.php"
1092    >' // TODO: add check if all var. are filled in
1093     . PMA_generate_common_hidden_inputs('', '');
1094     echo '<fieldset>';
1095     echo '<legend>' . __('Synchronize') . '</legend>';
1096     /**
1097      * Displays the forms
1098      */
1099
1100     $databases = PMA_DBI_get_databases_full(null, false, null, 'SCHEMA_NAME',
1101         'ASC', 0, true);
1102
1103     if ($GLOBALS['cfg']['AllowArbitraryServer'] === false) {
1104         $possibly_readonly = ' readonly="readonly"';
1105     } else {
1106         $possibly_readonly = '';
1107     }
1108
1109     foreach ($cons as $type) {
1110         if ('src' == $type) {
1111             $database_header = __('Source database');
1112         } else {
1113             $database_header = __('Target database');
1114         }
1115
1116         $database_header .= PMA_showHint(PMA_sanitize(sprintf('%sAllowArbitraryServer%s', '[a@./Documentation.html#AllowArbitraryServer@_blank]', '[/a]')));
1117 ?>
1118       <table id="serverconnection_<?php echo $type; ?>_remote" class="data">
1119       <caption class="tblHeaders"><?php echo $database_header; ?></caption>
1120       <tr class="odd">
1121           <td colspan="2" style="text-align: center">
1122              <select name="<?php echo $type; ?>_type" id="<?php echo $type; ?>_type" class="server_selector">
1123 <?php
1124         if ($GLOBALS['cfg']['AllowArbitraryServer']) {
1125             $preselected_option = 'rmt';
1126             echo '<option value="rmt" selected="selected">' . __('Enter manually') . '</option>';
1127         } else {
1128             $preselected_option = 'cur';
1129         }
1130         echo '<option value="cur"';
1131         if ('cur' == $preselected_option) {
1132             echo ' selected="selected"';
1133         }
1134         echo '>' .  __('Current connection') . '</option>';
1135
1136         foreach ($GLOBALS['cfg']['Servers'] as $key => $tmp_server) {
1137             if (empty($tmp_server['host'])) {
1138                 continue;
1139             }
1140
1141             if (!empty($tmp_server['verbose'])) {
1142                 $label = $tmp_server['verbose'];
1143             } else {
1144                 $label = $tmp_server['host'];
1145                 if (!empty($tmp_server['port'])) {
1146                     $label .= ':' . $tmp_server['port'];
1147                 }
1148             }
1149             $value = $tmp_server['host'];
1150             $value .= '||||';
1151             if (empty($tmp_server['port']) && empty($tmp_server['socket'])) {
1152                 $value .= '3306';
1153             } else {
1154                 $value .= $tmp_server['port'];
1155             }
1156             $value .= '||||';
1157             $value .= $tmp_server['socket'];
1158             $value .= '||||';
1159             $value .= $tmp_server['user'];
1160             $value .= '||||';
1161             $value .= $tmp_server['only_db'];
1162             echo '<option value="' . $value . '" >'
1163                 . htmlspecialchars(sprintf(__('Configuration: %s'), $label)) . '</option>';
1164         } // end foreach
1165 ?>
1166              </select>
1167           </td>
1168       </tr>
1169         <tr class="even toggler remote-server">
1170             <td><?php echo __('Server'); ?></td>
1171         <td><input type="text" name="<?php echo $type; ?>_host" class="server-host" <?php echo $possibly_readonly; ?>/></td>
1172         </tr>
1173         <tr class="odd toggler remote-server">
1174             <td><?php echo __('Port'); ?></td>
1175         <td><input type="text" name="<?php echo $type; ?>_port" class="server-port" <?php echo $possibly_readonly; ?> value="3306" maxlength="5" size="5" /></td>
1176         </tr>
1177         <tr class="even toggler remote-server">
1178             <td><?php echo __('Socket'); ?></td>
1179         <td><input type="text" name="<?php echo $type; ?>_socket" class="server-socket" <?php echo $possibly_readonly; ?>/></td>
1180         </tr>
1181         <tr class="odd toggler remote-server">
1182             <td><?php echo __('User name'); ?></td>
1183         <td><input type="text" name="<?php echo $type; ?>_username" class="server-user" /></td>
1184         </tr>
1185         <tr class="even toggler remote-server">
1186             <td><?php echo __('Password'); ?></td>
1187         <td><input type="password" name="<?php echo $type; ?>_pass" class="server-pass" /> </td>
1188         </tr>
1189         <tr class="odd toggler remote-server">
1190             <td><?php echo __('Database'); ?></td>
1191         <td><input type="text" name="<?php echo $type; ?>_db" class="server-db" /></td>
1192         </tr>
1193         <tr class="even toggler current-server" style="display: none;">
1194             <td><?php echo __('Database'); ?></td>
1195             <td>
1196 <?php
1197       // these unset() do not complain if the elements do not exist
1198     unset($databases['mysql']);
1199     unset($databases['information_schema']);
1200
1201         if (count($databases) == 0) {
1202                 echo __('No databases');
1203         } else {
1204                 echo '
1205                 <select name="' . $type . '_db_sel">
1206                 ';
1207                 foreach ($databases as $db) {
1208             echo '              <option>' . htmlspecialchars($db['SCHEMA_NAME']) . '</option>';
1209                 }
1210         echo '</select>';
1211         }
1212         echo '</td> </tr>
1213       </table>';
1214    }
1215    unset ($types, $type);
1216
1217     echo '
1218     </fieldset>
1219     <fieldset class="tblFooters">
1220         <input type="submit" name="submit_connect" value="' . __('Go') .'" id="buttonGo" />
1221     </fieldset>
1222     </form>
1223     </div>
1224     <div class="notice">' . __('Target database will be completely synchronized with source database. Source database will remain unchanged.') . '</div>';
1225 }
1226
1227  /**
1228  * Displays the footer
1229  */
1230 require './libraries/footer.inc.php';
1231 ?>