server_synchronize.php

   1 <?php
   2
   3 /* vim: set expandtab sw=4 ts=4 sts=4: */
   4 /**
   5  *
   6  * @version $Id$
   7  * @package phpMyAdmin
   8  */
   9
  10 /**
  11 *
  12 */
  13 require_once './libraries/common.inc.php';
  14
  15 /**
  16  * Does the common work
  17  */
  18 $GLOBALS['js_include'][] = 'functions.js';
  19 $GLOBALS['js_include'][] = 'mootools.js';
  20 require_once './libraries/server_common.inc.php';
  21
  22 /**
  23 * Contains all the functions specific to synchronization
  24 */
  25 require './libraries/server_synchronize.lib.php';
  26
  27 /**
  28  * Increases the time limit up to the configured maximum
  29  */
  30 @set_time_limit($cfg['ExecTimeLimit']);
  31
  32 /**
  33  * Displays the links
  34  */
  35 require './libraries/server_links.inc.php';
  36
  37 /**
  38 * Enables warnings on the page
  39 */
  40 //$cfg['Error_Handler']['display'] = true;
  41 //$cfg['Error_Handler']['gather'] = true;
  42
  43 /**
  44 * Save the value of token generated for this page
  45 */
  46 if (isset($_REQUEST['token'])) {
  47     $_SESSION['token'] = $_REQUEST['token'];
  48 }
  49
  50 // variable for code saving
  51 $cons = array ("src", "trg");
  52
  53 /**
  54  * Displays the page when 'Go' is pressed
  55  */
  56
  57 if ((isset($_REQUEST['submit_connect']))) {
  58     foreach ($cons as $con) {
  59         ${"{$con}_host"}     = $_REQUEST[$con . '_host'];
  60         ${"{$con}_username"} = $_REQUEST[$con . '_username'];
  61         ${"{$con}_password"} = $_REQUEST[$con . '_pass'];
  62         ${"{$con}_port"}     = $_REQUEST[$con . '_port'];
  63         ${"{$con}_socket"}   = $_REQUEST[$con . '_socket'];
  64         ${"{$con}_db"}       = $_REQUEST[$con . '_db'];
  65         ${"{$con}_type"}         = $_REQUEST[$con . '_type'];
  66
  67         if (${"{$con}_type"} == 'cur') {
  68                 ${"{$con}_connection"} = null;
  69                 ${"{$con}_server"} = null;
  70                 ${"{$con}_db"}       = $_REQUEST[$con . '_db_sel'];
  71                 continue;
  72         }
  73
  74         if (isset(${"{$con}_socket"}) && ! empty(${"{$con}_socket"})) {
  75                 ${"{$con}_server"}['socket'] = ${"{$con}_socket"};
  76         } else {
  77                 ${"{$con}_server"}['host'] = ${"{$con}_host"};
  78                 if (isset(${"{$con}_port"}) && ! empty(${"{$con}_port"}) && ((int)${"{$con}_port"} * 1) > 0) {
  79                     ${"{$con}_server"}['port'] = ${"{$con}_port"};
  80                 }
  81         }
  82
  83         ${"{$con}_connection"} = PMA_DBI_connect(${"{$con}_username"}, ${"{$con}_password"}, $is_controluser = false, ${"{$con}_server"}, $auxiliary_connection = true);
  84     } // end foreach ($cons as $con)
  85
  86     if ((! $src_connection && $src_type == 'rmt') || (! $trg_connection && $trg_type == 'rmt')) {
  87         /**
  88         * Displays the connection error string if
  89         * connections are not established
  90         */
  91
  92         echo '<div class="error">';
  93         if(! $src_connection && $src_type == 'rmt') {
  94             echo $GLOBALS['strCouldNotConnectSource'] . '<br />';
  95         }
  96         if(! $trg_connection && $trg_type == 'rmt'){
  97             echo $GLOBALS['strCouldNotConnectTarget'];
  98         }
  99         echo '</div>';
 100         unset($_REQUEST['submit_connect']);
 101
 102     } else {
 103         /**
 104         * Creating the link object for both source and target databases and
 105         * selecting the source and target databases using these links
 106         */
 107             foreach ($cons as $con) {
 108                 if (${"{$con}_connection"} != null) {
 109                     ${"{$con}_link"} = PMA_DBI_connect(${"{$con}_username"}, ${"{$con}_password"}, $is_controluser = false, ${"{$con}_server"});
 110                 } else {
 111                 ${"{$con}_link"} = null;
 112             }
 113                 ${"{$con}_db_selected"} = PMA_DBI_select_db(${"{$con}_db"}, ${"{$con}_link"});
 114             } // end foreach ($cons as $con)
 115
 116         if (($src_db_selected != 1) || ($trg_db_selected != 1)) {
 117             /**
 118             * Displays error string if the database(s) did not exist
 119             */
 120             echo '<div class="error">';
 121             if ($src_db_selected != 1) {
 122                 echo sprintf($GLOBALS['strDatabaseNotExisting'], htmlspecialchars($src_db));
 123             }
 124             if ($trg_db_selected != 1) {
 125                 echo sprintf($GLOBALS['strDatabaseNotExisting'], htmlspecialchars($trg_db));
 126             }
 127             echo '</div>';
 128             unset($_REQUEST['submit_connect']);
 129
 130         } else if (($src_db_selected == 1) && ($trg_db_selected == 1)) {
 131
 132             /**
 133             * Using PMA_DBI_get_tables() to get all the tables
 134             * from target and source databases.
 135             */
 136             $src_tables = PMA_DBI_get_tables($src_db, $src_link);
 137             $source_tables_num = sizeof($src_tables);
 138
 139             $trg_tables = PMA_DBI_get_tables($trg_db, $trg_link);
 140             $target_tables_num = sizeof($trg_tables);
 141
 142             /**
 143             * initializing arrays to save matching and non-matching
 144             * table names from target and source databases.
 145             */
 146             $unmatched_num_src = 0;
 147             $source_tables_uncommon = array();
 148             $unmatched_num_trg = 0;
 149             $target_tables_uncommon = array();
 150             $matching_tables = array();
 151             $matching_tables_num = 0;
 152
 153             /**
 154             * Using PMA_getMatchingTables to find which of the tables' names match
 155             * in target and source database.
 156             */
 157             PMA_getMatchingTables($trg_tables, $src_tables, $matching_tables, $source_tables_uncommon);
 158             /**
 159             * Finding the uncommon tables for the target database
 160             * using function PMA_getNonMatchingTargetTables()
 161             */
 162             PMA_getNonMatchingTargetTables($trg_tables, $matching_tables, $target_tables_uncommon);
 163
 164             /**
 165             * Initializing several arrays to save the data and structure
 166             * difference between the source and target databases.
 167             */
 168             $row_count = array();   //number of rows in source table that needs to be created in target database
 169             $fields_num = array();  //number of fields in each matching table
 170             $delete_array = array(); //stores the primary key values for target tables that have excessive rows than corresponding source tables.
 171             $insert_array = array(array(array()));// stores the primary key values for the rows in each source table that are not present in target tables.
 172             $update_array = array(array(array())); //stores the primary key values, name of field to be updated, value of the field to be updated for
 173                                                     // each row of matching table.
 174             $matching_tables_fields = array(); //contains the fields' names for each matching table
 175             $matching_tables_keys   = array(); //contains the primary keys' names for each matching table
 176             $uncommon_tables_fields = array(); //coantains the fields for all the source tables that are not present in target
 177             $matching_tables_num = sizeof($matching_tables);
 178
 179             $source_columns = array();  //contains the full columns' information for all the source tables' columns
 180             $target_columns = array();  //contains the full columns' information for all the target tables' columns
 181             $uncommon_columns = array(); //contains names of columns present in source table but absent from the corresponding target table
 182             $source_indexes = array();   //contains indexes on all the source tables
 183             $target_indexes = array();   //contains indexes on all the target tables
 184             $add_indexes_array = array(); //contains the indexes name present in source but absent from target tables
 185             $target_tables_keys = array(); //contains the keys of all the target tables
 186             $alter_indexes_array = array();  //contains the names of all the indexes for each table that need to be altered in target database
 187             $remove_indexes_array = array();  //contains the names of indexes that are excessive in target tables
 188             $alter_str_array = array(array());  //contains the criteria for each column that needs to be altered in target tables
 189             $add_column_array = array(array()); //contains the name of columns that need to be added in target tables
 190             /**
 191             * The criteria array contains all the criteria against which columns are compared for differences.
 192             */
 193             $criteria = array('Field', 'Type', 'Null', 'Collation', 'Key', 'Default', 'Comment');
 194
 195             for($i = 0; $i < sizeof($matching_tables); $i++) {
 196                 /**
 197                 * Finding out all the differences structure, data and index diff for all the matching tables only
 198                 */
 199                 PMA_dataDiffInTables($src_db, $trg_db, $src_link, $trg_link, $matching_tables, $matching_tables_fields, $update_array, $insert_array,
 200                 $delete_array, $fields_num, $i, $matching_tables_keys);
 201
 202                 PMA_structureDiffInTables($src_db, $trg_db, $src_link, $trg_link, $matching_tables, $source_columns,
 203                 $target_columns, $alter_str_array, $add_column_array, $uncommon_columns, $criteria, $target_tables_keys, $i);
 204
 205                 PMA_indexesDiffInTables($src_db, $trg_db, $src_link, $trg_link, $matching_tables, $source_indexes, $target_indexes,
 206                 $add_indexes_array, $alter_indexes_array,$remove_indexes_array, $i);
 207             }
 208
 209             for($j = 0; $j < sizeof($source_tables_uncommon); $j++) {
 210                 /**
 211                 * Finding out the number of rows to be added in tables that need to be added in target database
 212                 */
 213                 PMA_dataDiffInUncommonTables($source_tables_uncommon, $src_db, $src_link, $j, $row_count);
 214             }
 215             /**
 216             * Storing all arrays in session for use when page is reloaded for each button press
 217             */
 218             $_SESSION['matching_tables'] = $matching_tables;
 219             $_SESSION['update_array'] = $update_array;
 220             $_SESSION['insert_array'] = $insert_array;
 221             $_SESSION['src_db'] = $src_db;
 222             $_SESSION['trg_db'] =  $trg_db;
 223             $_SESSION['matching_fields'] = $matching_tables_fields;
 224             $_SESSION['src_uncommon_tables'] = $source_tables_uncommon;
 225             $_SESSION['src_username'] = $src_username ;
 226             $_SESSION['trg_username'] = $trg_username;
 227             $_SESSION['src_password'] = $src_password;
 228             $_SESSION['trg_password'] = $trg_password;
 229             $_SESSION['trg_password'] = $trg_password;
 230             $_SESSION['src_server']   = $src_server;
 231                 $_SESSION['trg_server']   = $trg_server;
 232                 $_SESSION['src_type']     = $src_type;
 233             $_SESSION['trg_type']     = $trg_type;
 234             $_SESSION['matching_tables_keys'] = $matching_tables_keys;
 235             $_SESSION['uncommon_tables_fields'] = $uncommon_tables_fields;
 236             $_SESSION['uncommon_tables_row_count'] = $row_count;
 237             $_SESSION['target_tables_uncommon'] = $target_tables_uncommon;
 238             $_SESSION['uncommon_tables'] = $source_tables_uncommon;
 239             $_SESSION['delete_array'] = $delete_array;
 240             $_SESSION['uncommon_columns'] = $uncommon_columns;
 241             $_SESSION['source_columns'] = $source_columns;
 242             $_SESSION['alter_str_array'] = $alter_str_array;
 243             $_SESSION['target_tables_keys'] = $target_tables_keys;
 244             $_SESSION['add_column_array'] = $add_column_array;
 245             $_SESSION['criteria'] = $criteria;
 246             $_SESSION['target_tables'] = $trg_tables;
 247             $_SESSION['add_indexes_array'] = $add_indexes_array;
 248             $_SESSION['alter_indexes_array'] = $alter_indexes_array;
 249             $_SESSION['remove_indexes_array'] = $remove_indexes_array;
 250             $_SESSION['source_indexes'] = $source_indexes;
 251             $_SESSION['target_indexes'] = $target_indexes;
 252
 253             /**
 254             * Displays the sub-heading and icons showing Structure Synchronization and Data Synchronization
 255             */
 256             echo '<form name="synchronize_form" id="synchronize_form" method="post" action="server_synchronize.php">'
 257             . PMA_generate_common_hidden_inputs('', '');
 258             echo '<table class="data" width = "50%">
 259             <tr>
 260             <td> <h2>'
 261             . ($GLOBALS['cfg']['MainPageIconic']
 262             ? '<img class="icon" src="' . $pmaThemeImage . 'new_struct.jpg" width="32"'
 263             . ' height="32" alt="" />'
 264             : '')
 265             . $strStructureSyn
 266             .'</h2>' .'</td>';
 267             echo '<td> <h2>'
 268             . ($GLOBALS['cfg']['MainPageIconic']
 269             ? '<img class="icon" src="' . $pmaThemeImage . 'new_data.jpg" width="32"'
 270             . ' height="32" alt="" />'
 271             : '')
 272             . $strDataSyn
 273             . '</h2>' .'</td>';
 274             echo '</tr>
 275             </table>';
 276
 277             /**
 278             * Displays the tables containing the source tables names, their difference with the target tables and target tables names
 279             */
 280             PMA_syncDisplayHeaderSource($src_db);
 281             $odd_row = false;
 282             /**
 283             * Display the matching tables' names and difference, first
 284             */
 285             for($i = 0; $i < count($matching_tables); $i++) {
 286                 $num_of_updates = 0;
 287                 $num_of_insertions = 0;
 288                 /**
 289                 * Calculating the number of updates for each matching table
 290                 */
 291                 if (isset($update_array[$i])) {
 292                     if (isset($update_array[$i][0][$matching_tables_keys[$i][0]])) {
 293                         if (isset($update_array[$i])) {
 294                             $num_of_updates = sizeof($update_array[$i]);
 295                         } else {
 296                              $num_of_updates = 0;
 297                         }
 298                     } else {
 299                             $num_of_updates = 0;
 300                     }
 301                 }
 302                 /**
 303                 * Calculating the number of insertions for each matching table
 304                 */
 305                 if (isset($insert_array[$i])) {
 306                     if (isset($insert_array[$i][0][$matching_tables_keys[$i][0]])) {
 307                         if (isset($insert_array[$i])) {
 308                             $num_of_insertions = sizeof($insert_array[$i]);
 309                         } else {
 310                             $num_of_insertions = 0;
 311                         }
 312                     } else {
 313                         $num_of_insertions = 0;
 314                     }
 315                 }
 316                 /**
 317                 * Displays the name of the matching table
 318                 */
 319                 $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 320                 echo '<td>' . htmlspecialchars($matching_tables[$i]) . '</td>
 321                 <td align="center">';
 322                 /**
 323                 * Calculating the number of alter columns, number of columns to be added, number of columns to be removed,
 324                 * number of index to added and renmoved.
 325                 */
 326                 $num_alter_cols  = 0;
 327                 $num_insert_cols = 0;
 328                 $num_remove_cols = 0;
 329                 $num_add_index   = 0;
 330                 $num_remove_index = 0;
 331
 332                 if (isset($alter_str_array[$i])) {
 333                     $num_alter_cols = sizeof($alter_str_array[$i]);
 334                 }
 335                 if (isset($add_column_array[$i])) {
 336                     $num_insert_cols = sizeof($add_column_array[$i]);
 337                 }
 338                 if (isset($uncommon_columns[$i])) {
 339                    $num_remove_cols = sizeof($uncommon_columns[$i]);
 340                 }
 341                 if (isset($add_indexes_array[$i])) {
 342                     $num_add_index = sizeof($add_indexes_array[$i]);
 343                 }
 344                 if (isset($remove_indexes_array[$i])) {
 345                    $num_remove_index = sizeof($remove_indexes_array[$i]);
 346                 }
 347                 /**
 348                 * Display the red button of structure synchronization if there exists any structure difference or index difference.
 349                 */
 350                 if (($num_alter_cols > 0) || ($num_insert_cols > 0) || ($num_remove_cols > 0) || ($num_add_index > 0) || ($num_remove_index > 0)) {
 351
 352                    echo '<img class="icon" src="' . $pmaThemeImage . 'new_struct.jpg" width="29"  height="29"
 353                    alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 354                    onclick="showDetails(' . "'MS" . $i . "','" . $num_alter_cols . "','" .$num_insert_cols .
 355                    "','" . $num_remove_cols . "','" . $num_add_index . "','" . $num_remove_index . "'"
 356                    . ', this ,' . "'" . htmlspecialchars($matching_tables[$i]) . "'" . ')"/>';
 357                 }
 358                 /**
 359                 * Display the green button of data synchronization if there exists any data difference.
 360                 */
 361                 if (isset($update_array[$i]) || isset($insert_array[$i])) {
 362                     if (isset($update_array[$i][0][$matching_tables_keys[$i][0]]) || isset($insert_array[$i][0][$matching_tables_keys[$i][0]])) {
 363
 364                         echo '<img class="icon" src="' . $pmaThemeImage . 'new_data.jpg" width="29" height="29"
 365                         alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 366                          onclick="showDetails('. "'MD" . $i . "','" . $num_of_updates . "','" . $num_of_insertions .
 367                          "','" . null . "','" . null . "','" . null . "'" . ', this ,' . "'" . htmlspecialchars($matching_tables[$i]) . "'" . ')" />';
 368                     }
 369                 }
 370                 echo '</td>
 371                 </tr>';
 372             }
 373             /**
 374             * Displays the tables' names present in source but missing from target
 375             */
 376             for ($j = 0; $j < count($source_tables_uncommon); $j++) {
 377                 $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 378                 echo '<td> + ' . htmlspecialchars($source_tables_uncommon[$j]) . '</td> ';
 379
 380                 echo '<td align="center"><img class="icon" src="' . $pmaThemeImage .  'new_struct.jpg" width="29"  height="29"
 381                 alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 382                 onclick="showDetails(' . "'US" . $j . "','" . null . "','" . null . "','" . null . "','" . null . "','" . null . "'" . ', this ,'
 383                 . "'" . htmlspecialchars($source_tables_uncommon[$j]) . "'" . ')"/>';
 384
 385                 if ($row_count[$j] > 0)
 386                 {
 387                     echo '<img class="icon" src="' . $pmaThemeImage . 'new_data.jpg" width="29" height="29"
 388                     alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 389                     onclick="showDetails(' . "'UD" . $j . "','" . null . "','" . $row_count[$j] . "','" . null .
 390                     "','" . null . "','" . null . "'" . ', this ,' . "'" . htmlspecialchars($source_tables_uncommon[$j]) . "'" . ')" />';
 391                 }
 392                 echo '</td>
 393                 </tr>';
 394             }
 395             foreach ($target_tables_uncommon as $tbl_nc_name) {
 396                 $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 397                 echo '<td height="32">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </td><td></td>';
 398                 echo '</tr>';
 399             }
 400             /**
 401             * Displays the target tables names
 402             */
 403             echo '</table>';
 404
 405             $odd_row = PMA_syncDisplayHeaderTargetAndMatchingTables($trg_db, $matching_tables);
 406             foreach ($source_tables_uncommon as $tbl_nc_name) {
 407                 $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 408                 echo '<td height="32">' . htmlspecialchars($tbl_nc_name) . ' (' . $GLOBALS['strNotPresent'] . ')</td>
 409                 </tr>';
 410             }
 411             foreach ($target_tables_uncommon as $tbl_nc_name) {
 412                 $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 413                 echo '<td> - ' . htmlspecialchars($tbl_nc_name) . '</td>';
 414                 echo '</tr>';
 415             }
 416             echo '</table>';
 417             echo '</div>';
 418
 419             /**
 420             * This "list" div will contain a table and each row will depict information about structure/data diffrence in tables.
 421             * Rows will be generated dynamically as soon as the colored  buttons "D" or "S"  are clicked.
 422             */
 423
 424             echo '<div id="list" style = "overflow: auto; width: 1020px; height: 140px;
 425             border-left: 1px gray solid; border-bottom: 1px gray solid;
 426             padding:0px; margin: 0px">
 427
 428             <table>
 429                 <thead>
 430                 <tr style="width: 100%;">
 431                     <th id="table_name" style="width: 10%;" colspan="1">' . $strTable . ' </th>
 432                     <th id="str_diff"   style="width: 65%;" colspan="6">' . $strStructureDiff . ' </th>
 433                     <th id="data_diff"  style="width: 20%;" colspan="2">' . $strDataDiff . '</th>
 434                 </tr>
 435                 <tr style="width: 100%;">
 436                     <th style="width: 10%;">' . $strTableName . '</th>
 437                     <th style="width: 10%;">' . $strCreateTable . '</th>
 438                     <th style="width: 11%;">' . $strTableAddColumn . '</th>
 439                     <th style="width: 13%;">' . $strTableRemoveColumn . '</th>
 440                     <th style="width: 11%;">' . $strTableAlterColumn . '</th>
 441                     <th style="width: 12%;">' . $strTableRemoveIndex . '</th>
 442                     <th style="width: 11%;">' . $strTableApplyIndex . '</th>
 443                     <th style="width: 10%;">'.  $strTableUpdateRow . '</th>
 444                     <th style="width: 10%;">' . $strTableInsertRow . '</th>
 445                 </tr>
 446                 </thead>
 447                 <tbody></tbody>
 448             </table>
 449             </div>';
 450             /**
 451             *  This fieldset displays the checkbox to confirm deletion of previous rows from target tables
 452             */
 453             echo '<fieldset>
 454             <p><input type= "checkbox" name="delete_rows" id ="delete_rows" />' . $strTableDeleteRows . ' </p>
 455             </fieldset>
 456             <fieldset class="tblFooters">';
 457             echo '<input type="button" name="apply_changes" value="' . $GLOBALS['strApplyChanges']
 458              . '" onclick ="ApplySelectedChanges(' . "'" . $_SESSION['token'] . "'" . ')" />';
 459             echo '<input type="submit" name="synchronize_db" value="' . $GLOBALS['strSynchronizeDb'] . '" />' . '</fieldset>';
 460             echo '</form>';
 461         }
 462     }
 463 } // end if ((isset($_REQUEST['submit_connect'])))
 464
 465  /**
 466  * Display the page when 'Apply Selected Changes' is pressed
 467  */
 468 if (isset($_REQUEST['Table_ids'])) {
 469     /**
 470     * Displays success message
 471     */
 472     echo '<div class="success">' . $GLOBALS['strHaveBeenSynchronized'] . '</div>';
 473
 474     $src_db = $_SESSION['src_db'];
 475     $trg_db = $_SESSION['trg_db'];
 476     $update_array = $_SESSION['update_array'];
 477     $insert_array = $_SESSION['insert_array'];
 478     $src_username = $_SESSION['src_username'];
 479     $trg_username = $_SESSION['trg_username'];
 480     $src_password = $_SESSION['src_password'];
 481     $trg_password = $_SESSION['trg_password'];
 482     $src_server   = $_SESSION['src_server'];
 483     $trg_server   = $_SESSION['trg_server'];
 484     $src_type     = $_SESSION['src_type'];
 485     $trg_type     = $_SESSION['trg_type'];
 486     $uncommon_tables = $_SESSION['uncommon_tables'];
 487     $matching_tables = $_SESSION['matching_tables'];
 488     $matching_tables_keys = $_SESSION['matching_tables_keys'];
 489     $matching_tables_fields = $_SESSION['matching_fields'];
 490     $source_tables_uncommon = $_SESSION['src_uncommon_tables'];
 491     $uncommon_tables_fields = $_SESSION['uncommon_tables_fields'];
 492     $target_tables_uncommon = $_SESSION['target_tables_uncommon'];
 493     $row_count = $_SESSION['uncommon_tables_row_count'];
 494     $target_tables = $_SESSION['target_tables'];
 495
 496     $delete_array = $_SESSION['delete_array'];
 497     $uncommon_columns = $_SESSION['uncommon_columns'];
 498     $source_columns = $_SESSION['source_columns'];
 499     $alter_str_array = $_SESSION['alter_str_array'];
 500     $criteria = $_SESSION['criteria'];
 501     $target_tables_keys = $_SESSION['target_tables_keys'];
 502     $add_column_array = $_SESSION['add_column_array'];
 503     $add_indexes_array = $_SESSION['add_indexes_array'];
 504     $alter_indexes_array = $_SESSION['alter_indexes_array'];
 505     $remove_indexes_array = $_SESSION['remove_indexes_array'];
 506     $source_indexes = $_SESSION['source_indexes'];
 507     $target_indexes = $_SESSION['target_indexes'];
 508     $uncommon_cols = $uncommon_columns;
 509
 510     /**
 511     * Creating link object for source and target databases
 512     */
 513     foreach ($cons as $con) {
 514         if (${"{$con}_type"} == "rmt") {
 515             ${"{$con}_link"} = PMA_DBI_connect(${"{$con}_username"}, ${"{$con}_password"}, $is_controluser = false, ${"{$con}_server"});
 516         } else {
 517             ${"{$con}_link"} = null;
 518             // working on current server, so initialize this for tracking
 519             // (does not work if user defined current server as a remote one)
 520             $GLOBALS['db'] = ${"{$con}_db"};
 521         }
 522     } // end foreach ($cons as $con)
 523
 524     /**
 525     * Initializing arrays to save the table ids whose data and structure difference is to be applied
 526     */
 527     $matching_table_data_diff = array();  //stores id of matching table having data difference
 528     $matching_table_structure_diff = array(); //stores id of matching tables having structure difference
 529     $uncommon_table_structure_diff = array(); //stores id of uncommon tables having structure difference
 530     $uncommon_table_data_diff = array();     //stores id of uncommon tables having data difference
 531
 532     for ($i = 0; isset($_REQUEST[$i]); $i++ ) {
 533         if (isset($_REQUEST[$i])) {
 534             $table_id = split("US", $_REQUEST[$i]);
 535             if (isset($table_id[1])) {
 536                 $uncommon_table_structure_diff[] = $table_id[1];
 537             }
 538             $table_id = split("UD", $_REQUEST[$i]);
 539             if (isset($table_id[1])) {
 540                 $uncommon_table_data_diff[] = $table_id[1];
 541             }
 542             $table_id = split("MS", $_REQUEST[$i]);
 543             if (isset($table_id[1])) {
 544                 $matching_table_structure_diff[] = $table_id[1];
 545             }
 546
 547             $table_id = split("MD", $_REQUEST[$i]);
 548             if (isset($table_id[1])) {
 549                  $matching_table_data_diff[] = $table_id[1];
 550             }
 551         }
 552     } // end for
 553     /**
 554     * Applying the structure difference on selected matching tables
 555     */
 556     for($q = 0 ; $q < sizeof($matching_table_structure_diff); $q++)
 557     {
 558         if (isset($alter_str_array[$matching_table_structure_diff[$q]])) {
 559
 560             PMA_alterTargetTableStructure($trg_db, $trg_link, $matching_tables, $source_columns, $alter_str_array, $matching_tables_fields,
 561             $criteria, $matching_tables_keys, $target_tables_keys, $matching_table_structure_diff[$q], false);
 562
 563             unset($alter_str_array[$matching_table_structure_diff[$q]]);
 564         }
 565         if (isset($add_column_array[$matching_table_structure_diff[$q]])) {
 566
 567             PMA_findDeleteRowsFromTargetTables($delete_array, $matching_tables, $matching_table_structure_diff[$q], $target_tables_keys,
 568             $matching_tables_keys, $trg_db, $trg_link, $src_db, $src_link);
 569
 570             if (isset($delete_array[$matching_table_structure_diff[$q]])) {
 571
 572                 PMA_deleteFromTargetTable($trg_db, $trg_link, $matching_tables, $matching_table_structure_diff[$q], $target_tables_keys, $delete_array, false);
 573
 574                 unset($delete_array[$matching_table_structure_diff[$q]]);
 575             }
 576             PMA_addColumnsInTargetTable($src_db, $trg_db,$src_link, $trg_link, $matching_tables, $source_columns, $add_column_array, $matching_tables_fields,
 577             $criteria, $matching_tables_keys, $target_tables_keys, $uncommon_tables,$uncommon_tables_fields, $matching_table_structure_diff[$q], $uncommon_cols, false);
 578
 579             unset($add_column_array[$matching_table_structure_diff[$q]]);
 580         }
 581         if (isset($uncommon_columns[$matching_table_structure_diff[$q]])) {
 582
 583             PMA_removeColumnsFromTargetTable($trg_db, $trg_link, $matching_tables, $uncommon_columns, $matching_table_structure_diff[$q], false);
 584
 585             unset($uncommon_columns[$matching_table_structure_diff[$q]]);
 586         }
 587         if (isset($add_indexes_array[$matching_table_structure_diff[$q]]) || isset($remove_indexes_array[$matching_table_structure_diff[$q]])
 588             || isset($alter_indexes_array[$matching_table_structure_diff[$q]])) {
 589
 590             PMA_applyIndexesDiff ($trg_db, $trg_link, $matching_tables, $source_indexes, $target_indexes, $add_indexes_array, $alter_indexes_array,
 591             $remove_indexes_array, $matching_table_structure_diff[$q], false);
 592
 593             unset($add_indexes_array[$matching_table_structure_diff[$q]]);
 594             unset($alter_indexes_array[$matching_table_structure_diff[$q]]);
 595             unset($remove_indexes_array[$matching_table_structure_diff[$q]]);
 596         }
 597     }
 598     /**
 599     * Applying the data difference. First checks if structure diff is applied or not.
 600     * If not, then apply structure difference first then apply data difference.
 601     */
 602     for($p = 0; $p < sizeof($matching_table_data_diff); $p++)
 603     {
 604         if ($_REQUEST['checked'] == 'true') {
 605
 606             PMA_findDeleteRowsFromTargetTables($delete_array, $matching_tables, $matching_table_data_diff[$p], $target_tables_keys,
 607             $matching_tables_keys, $trg_db, $trg_link, $src_db, $src_link);
 608
 609             if (isset($delete_array[$matching_table_data_diff[$p]])) {
 610
 611                 PMA_deleteFromTargetTable($trg_db, $trg_link, $matching_tables, $matching_table_data_diff[$p], $target_tables_keys, $delete_array, false);
 612
 613                 unset($delete_array[$matching_table_data_diff[$p]]);
 614             }
 615         }
 616         if (isset($alter_str_array[$matching_table_data_diff[$p]])) {
 617
 618             PMA_alterTargetTableStructure($trg_db, $trg_link, $matching_tables, $source_columns, $alter_str_array, $matching_tables_fields,
 619             $criteria, $matching_tables_keys, $target_tables_keys, $matching_table_data_diff[$p], false);
 620
 621             unset($alter_str_array[$matching_table_data_diff[$p]]);
 622         }
 623         if (isset($add_column_array[$matching_table_data_diff[$p]])) {
 624
 625             PMA_findDeleteRowsFromTargetTables($delete_array, $matching_tables, $matching_table_data_diff[$p], $target_tables_keys,
 626             $matching_tables_keys, $trg_db, $trg_link, $src_db, $src_link);
 627
 628             if (isset($delete_array[$matching_table_data_diff[$p]])) {
 629
 630                 PMA_deleteFromTargetTable($trg_db, $trg_link, $matching_tables, $matching_table_data_diff[$p], $target_tables_keys, $delete_array, false);
 631
 632                 unset($delete_array[$matching_table_data_diff[$p]]);
 633             }
 634             PMA_addColumnsInTargetTable($src_db, $trg_db,$src_link, $trg_link, $matching_tables, $source_columns, $add_column_array, $matching_tables_fields,
 635             $criteria, $matching_tables_keys, $target_tables_keys, $uncommon_tables, $uncommon_tables_fields, $matching_table_data_diff[$p], $uncommon_cols, false);
 636
 637             unset($add_column_array[$matching_table_data_diff[$p]]);
 638         }
 639         if (isset($uncommon_columns[$matching_table_data_diff[$p]])) {
 640
 641             PMA_removeColumnsFromTargetTable($trg_db, $trg_link, $matching_tables, $uncommon_columns, $matching_table_data_diff[$p], false);
 642
 643             unset($uncommon_columns[$matching_table_data_diff[$p]]);
 644         }
 645         if ((isset($matching_table_structure_diff[$q]) && isset($add_indexes_array[$matching_table_structure_diff[$q]]))
 646             || (isset($matching_table_structure_diff[$q]) && isset($remove_indexes_array[$matching_table_structure_diff[$q]]))
 647             || (isset($matching_table_structure_diff[$q]) && isset($alter_indexes_array[$matching_table_structure_diff[$q]]))) {
 648
 649             PMA_applyIndexesDiff ($trg_db, $trg_link, $matching_tables, $source_indexes, $target_indexes, $add_indexes_array, $alter_indexes_array,
 650             $remove_indexes_array, $matching_table_structure_diff[$q], false);
 651
 652             unset($add_indexes_array[$matching_table_structure_diff[$q]]);
 653             unset($alter_indexes_array[$matching_table_structure_diff[$q]]);
 654             unset($remove_indexes_array[$matching_table_structure_diff[$q]]);
 655         }
 656         /**
 657         * Applying the data difference.
 658         */
 659         PMA_updateTargetTables($matching_tables, $update_array, $src_db, $trg_db, $trg_link, $matching_table_data_diff[$p], $matching_tables_keys, false);
 660
 661         PMA_insertIntoTargetTable($matching_tables, $src_db, $trg_db, $src_link, $trg_link , $matching_tables_fields, $insert_array,
 662         $matching_table_data_diff[$p], $matching_tables_keys, $source_columns, $add_column_array, $criteria, $target_tables_keys,
 663         $uncommon_tables, $uncommon_tables_fields, $uncommon_cols, $alter_str_array, $source_indexes, $target_indexes, $add_indexes_array,
 664         $alter_indexes_array, $delete_array, $update_array, false);
 665     }
 666     /**
 667     * Updating the session variables to the latest values of the arrays.
 668     */
 669     $_SESSION['delete_array'] = $delete_array;
 670     $_SESSION['uncommon_columns'] = $uncommon_columns;
 671     $_SESSION['alter_str_array']  = $alter_str_array;
 672     $_SESSION['add_column_array'] = $add_column_array;
 673     $_SESSION['add_indexes_array'] = $add_indexes_array;
 674     $_SESSION['remove_indexes_array'] = $remove_indexes_array;
 675     $_SESSION['insert_array'] = $insert_array;
 676     $_SESSION['update_array'] = $update_array;
 677
 678     /**
 679     * Applying structure difference to selected non-matching tables (present in Source but absent from Target).
 680     */
 681     for($s = 0; $s < sizeof($uncommon_table_structure_diff); $s++)
 682     {
 683         PMA_createTargetTables($src_db, $trg_db, $src_link, $trg_link, $uncommon_tables, $uncommon_table_structure_diff[$s], $uncommon_tables_fields, false);
 684         $_SESSION['uncommon_tables_fields'] = $uncommon_tables_fields;
 685
 686         unset($uncommon_tables[$uncommon_table_structure_diff[$s]]);
 687     }
 688     /**
 689     * Applying data difference to selected non-matching tables (present in Source but absent from Target).
 690     * Before data synchronization, structure synchronization is confirmed.
 691     */
 692     for($r = 0; $r < sizeof($uncommon_table_data_diff); $r++)
 693     {
 694         if (!(in_array($uncommon_table_data_diff[$r], $uncommon_table_structure_diff))) {
 695             if (isset($uncommon_tables[$uncommon_table_data_diff[$r]])) {
 696
 697                 PMA_createTargetTables($src_db, $trg_db, $src_link, $trg_link, $uncommon_tables, $uncommon_table_data_diff[$r], $uncommon_tables_fields, false);
 698                 $_SESSION['uncommon_tables_fields'] = $uncommon_tables_fields;
 699
 700                 unset($uncommon_tables[$uncommon_table_data_diff[$r]]);
 701             }
 702         }
 703         PMA_populateTargetTables($src_db, $trg_db, $src_link, $trg_link, $source_tables_uncommon, $uncommon_table_data_diff[$r],
 704         $_SESSION['uncommon_tables_fields'], false);
 705
 706         unset($row_count[$uncommon_table_data_diff[$r]]);
 707     }
 708     /**
 709     * Again all the tables from source and target database are displayed with their differences.
 710     * The differences have been removed from tables that have been synchronized
 711     */
 712     echo '<form name="applied_difference" id="synchronize_form" method="post" action="server_synchronize.php">'
 713     . PMA_generate_common_hidden_inputs('', '');
 714
 715     PMA_syncDisplayHeaderSource($src_db);
 716     $odd_row = false;
 717     for($i = 0; $i < count($matching_tables); $i++) {
 718         $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 719         echo '<td align="center">' . $matching_tables[$i] . '</td>
 720         <td align="center">';
 721
 722         $num_alter_cols  = 0;
 723         $num_insert_cols = 0;
 724         $num_remove_cols = 0;
 725         $num_add_index = 0;
 726         $num_remove_index = 0;
 727
 728         if (isset($alter_str_array[$i])) {
 729             $num_alter_cols = sizeof($alter_str_array[$i]);
 730         }
 731         if (isset($add_column_array[$i])) {
 732             $num_insert_cols = sizeof($add_column_array[$i]);
 733         }
 734         if (isset($uncommon_columns[$i])) {
 735             $num_remove_cols = sizeof($uncommon_columns[$i]);
 736         }
 737         if (isset($add_indexes_array[$i])) {
 738             $num_add_index = sizeof($add_indexes_array[$i]);
 739         }
 740         if (isset($remove_indexes_array[$i])) {
 741             $num_remove_index = sizeof($remove_indexes_array[$i]);
 742         }
 743
 744         if (($num_alter_cols > 0) || ($num_insert_cols > 0) || ($num_remove_cols > 0) || ($num_add_index > 0) || ($num_remove_index > 0)) {
 745             echo '<img class="icon" src="' . $pmaThemeImage .  'new_struct.jpg" width="29"  height="29"
 746             alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 747             onclick="showDetails(' . "'MS" . $i . "','" . $num_alter_cols . "','" . $num_insert_cols . "','" . $num_remove_cols . "','" . $num_add_index . "','" . $num_remove_index . "'" .',
 748             this ,' . "'" . $matching_tables[$i] . "'" . ')"/>';
 749         }
 750         if (!(in_array($i, $matching_table_data_diff))) {
 751
 752             if (isset($matching_tables_keys[$i][0]) && isset($update_array[$i][0][$matching_tables_keys[$i][0]])) {
 753                 if (isset($update_array[$i])) {
 754                     $num_of_updates = sizeof($update_array[$i]);
 755                 } else {
 756                     $num_of_updates = 0;
 757                 }
 758             } else {
 759                 $num_of_updates = 0;
 760             }
 761             if (isset($matching_tables_keys[$i][0]) && isset($insert_array[$i][0][$matching_tables_keys[$i][0]])) {
 762                 if (isset($insert_array[$i])) {
 763                     $num_of_insertions = sizeof($insert_array[$i]);
 764                 } else {
 765                     $num_of_insertions = 0;
 766                 }
 767             } else {
 768                 $num_of_insertions = 0;
 769             }
 770
 771             if ((isset($matching_tables_keys[$i][0]) && isset($update_array[$i][0][$matching_tables_keys[$i][0]]))
 772                 || (isset($matching_tables_keys[$i][0]) && isset($insert_array[$i][0][$matching_tables_keys[$i][0]]))) {
 773                 echo '<img class="icon" src="' . $pmaThemeImage . 'new_data.jpg" width="29" height="29"
 774                 alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 775                 onclick="showDetails(' . "'MD" . $i . "','" . $num_of_updates . "','" . $num_of_insertions .
 776                 "','" . null . "','" . null . "','" . null . "'" .', this ,' . "'" . htmlspecialchars($matching_tables[$i]) . "'" . ')" />';
 777             }
 778         } else {
 779             unset($update_array[$i]);
 780             unset($insert_array[$i]);
 781         }
 782         echo '</td>
 783         </tr>';
 784     }
 785     /**
 786     * placing updated value of arrays in session
 787     *
 788     */
 789     $_SESSION['update_array'] = $update_array;
 790     $_SESSION['insert_array'] = $insert_array;
 791
 792     for ($j = 0; $j < count($source_tables_uncommon); $j++) {
 793         $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 794         echo '<td align="center"> + ' . htmlspecialchars($source_tables_uncommon[$j]) . '</td>
 795         <td align="center">';
 796         /**
 797         * Display the difference only when it has not been applied
 798         */
 799         if (!(in_array($j, $uncommon_table_structure_diff))) {
 800             if (isset($uncommon_tables[$j])) {
 801                 echo '<img class="icon" src="' . $pmaThemeImage  . 'new_struct.jpg" width="29"  height="29"
 802                 alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 803                 onclick="showDetails(' . "'US" . $j . "','" . null . "','" . null . "','" . null . "','" . null . "','" . null . "'" . ', this ,' . "'" . htmlspecialchars($source_tables_uncommon[$j]) . "'" . ')"/>' .' ';
 804             }
 805         } else {
 806             unset($uncommon_tables[$j]);
 807         }
 808         /**
 809         * Display the difference only when it has not been applied
 810         */
 811         if (!(in_array($j, $uncommon_table_data_diff))) {
 812             if (isset($row_count[$j]) && ($row_count > 0)) {
 813                 echo '<img class="icon" src="' . $pmaThemeImage . 'new_data.jpg" width="29" height="29"
 814                 alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 815                 onclick="showDetails(' . "'UD" . $j . "','" . null ."','" . $row_count[$j] ."','"
 816                 . null . "','" . null . "','" . null . "'" . ', this ,' . "'". htmlspecialchars($source_tables_uncommon[$j]) . "'" . ')" />';
 817             }
 818         } else {
 819             unset($row_count[$j]);
 820         }
 821
 822         echo '</td>
 823         </tr>';
 824     }
 825     /**
 826     * placing the latest values of arrays in session
 827     */
 828
 829     $_SESSION['uncommon_tables'] = $uncommon_tables;
 830     $_SESSION['uncommon_tables_row_count'] = $row_count;
 831
 832
 833     /**
 834     * Displaying the target database tables
 835     */
 836     foreach ($target_tables_uncommon as $tbl_nc_name) {
 837         $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 838         echo '<td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </td><td></td>';
 839         echo '</tr>';
 840     }
 841     echo '</table>';
 842     $odd_row = PMA_syncDisplayHeaderTargetAndMatchingTables($trg_db, $matching_tables);
 843     foreach ($source_tables_uncommon as $tbl_nc_name) {
 844         $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 845         if (in_array($tbl_nc_name, $uncommon_tables)) {
 846             echo '<td>' . htmlspecialchars($tbl_nc_name) . ' (' .  $GLOBALS['strNotPresent'] . ')</td>';
 847         } else {
 848             echo '<td>' . htmlspecialchars($tbl_nc_name) . '</td>';
 849         }
 850         echo '
 851         </tr>';
 852     }
 853     foreach ($target_tables_uncommon as $tbl_nc_name) {
 854         $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 855         echo '<td> - ' . htmlspecialchars($tbl_nc_name) . '</td>';
 856         echo '</tr>';
 857     }
 858     echo '</table>
 859     </div>';
 860
 861     /**
 862     * This "list" div will contain a table and each row will depict information about structure/data diffrence in tables.
 863     * Rows will be generated dynamically as soon as the colored  buttons "D" or "S"  are clicked.
 864     */
 865
 866     echo '<div id="list" style = "overflow: auto; width: 1020px; height: 140px;
 867           border-left: 1px gray solid; border-bottom: 1px gray solid;
 868           padding:0px; margin: 0px">';
 869
 870     echo '<table>
 871           <thead>
 872             <tr style="width: 100%;">
 873                 <th id="table_name" style="width: 10%;" colspan="1">' . $strTable . ' </th>
 874                 <th id="str_diff"   style="width: 65%;" colspan="6">' . $strStructureDiff . ' </th>
 875                 <th id="data_diff"  style="width: 20%;" colspan="2">' . $strDataDiff . '</th>
 876             </tr>
 877             <tr style="width: 100%;">
 878                 <th style="width: 10%;">' . $strTableName . '</th>
 879                 <th style="width: 10%;">' . $strCreateTable . '</th>
 880                 <th style="width: 11%;">' . $strTableAddColumn . '</th>
 881                 <th style="width: 13%;">' . $strTableRemoveColumn . '</th>
 882                 <th style="width: 11%;">' . $strTableAlterColumn . '</th>
 883                 <th style="width: 12%;">' . $strTableRemoveIndex . '</th>
 884                 <th style="width: 11%;">' . $strTableApplyIndex . '</th>
 885                 <th style="width: 10%;">' . $strTableUpdateRow . '</th>
 886                 <th style="width: 10%;">' . $strTableInsertRow . '</th>
 887             </tr>
 888             </thead>
 889             <tbody></tbody>
 890          </table>
 891         </div>';
 892
 893     /**
 894     *  This fieldset displays the checkbox to confirm deletion of previous rows from target tables
 895     */
 896     echo '<fieldset>
 897     <p><input type= "checkbox" name="delete_rows" id ="delete_rows" />' . $strTableDeleteRows . ' </p>
 898     </fieldset>';
 899
 900     echo '<fieldset class="tblFooters">';
 901     echo '<input type="button" name="apply_changes" value="' . $GLOBALS['strApplyChanges'] . '"
 902           onclick ="ApplySelectedChanges(' . "'" . $_SESSION['token'] . "'" .')" />';
 903     echo '<input type="submit" name="synchronize_db" value="' . $GLOBALS['strSynchronizeDb'] . '" />'
 904           . '</fieldset>';
 905     echo '</form>';
 906 }
 907
 908 /**
 909 * Displays the page when 'Synchronize Databases' is pressed.
 910 */
 911
 912 if (isset($_REQUEST['synchronize_db'])) {
 913
 914     $src_db = $_SESSION['src_db'];
 915     $trg_db = $_SESSION['trg_db'];
 916     $update_array = $_SESSION['update_array'];
 917     $insert_array = $_SESSION['insert_array'];
 918     $src_username = $_SESSION['src_username'];
 919     $trg_username = $_SESSION['trg_username'];
 920     $src_password = $_SESSION['src_password'];
 921     $trg_password = $_SESSION['trg_password'];
 922     $matching_tables = $_SESSION['matching_tables'];
 923     $matching_tables_keys = $_SESSION['matching_tables_keys'];
 924     $matching_tables_fields = $_SESSION['matching_fields'];
 925     $source_tables_uncommon = $_SESSION['src_uncommon_tables'];
 926     $uncommon_tables_fields = $_SESSION['uncommon_tables_fields'];
 927     $target_tables_uncommon = $_SESSION['target_tables_uncommon'];
 928     $row_count = $_SESSION['uncommon_tables_row_count'];
 929     $uncommon_tables = $_SESSION['uncommon_tables'];
 930     $target_tables = $_SESSION['target_tables'];
 931
 932     $delete_array = $_SESSION['delete_array'];
 933     $uncommon_columns = $_SESSION['uncommon_columns'];
 934     $source_columns = $_SESSION['source_columns'];
 935     $alter_str_array = $_SESSION['alter_str_array'];
 936     $criteria = $_SESSION['criteria'];
 937     $target_tables_keys = $_SESSION['target_tables_keys'];
 938     $add_column_array = $_SESSION['add_column_array'];
 939     $add_indexes_array = $_SESSION['add_indexes_array'];
 940     $alter_indexes_array = $_SESSION['alter_indexes_array'];
 941     $remove_indexes_array = $_SESSION['remove_indexes_array'];
 942     $source_indexes = $_SESSION['source_indexes'];
 943     $target_indexes = $_SESSION['target_indexes'];
 944     $uncommon_cols = $uncommon_columns;
 945
 946    /**
 947    * Display success message.
 948    */
 949     echo '<div class="success">' . $GLOBALS['strTargetDatabaseHasBeenSynchronized'] . '</div>';
 950     /**
 951     * Displaying all the tables of source and target database and now no difference is there.
 952     */
 953     PMA_syncDisplayHeaderSource($src_db);
 954
 955         $odd_row = false;
 956         for($i = 0; $i < count($matching_tables); $i++)
 957         {
 958             $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 959             echo '<td>' . htmlspecialchars($matching_tables[$i]) . '</td>
 960             <td></td>
 961             </tr>';
 962         }
 963         for ($j = 0; $j < count($source_tables_uncommon); $j++) {
 964             $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 965             echo '<td> + ' . htmlspecialchars($source_tables_uncommon[$j]) . '</td> ';
 966             echo '<td></td>
 967             </tr>';
 968         }
 969         foreach ($target_tables_uncommon as $tbl_nc_name) {
 970             $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 971             echo '<td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </td><td></td>';
 972             echo '</tr>';
 973         }
 974         echo '</table>';
 975         $odd_row = PMA_syncDisplayHeaderTargetAndMatchingTables($trg_db, $matching_tables);
 976         foreach ($source_tables_uncommon as $tbl_nc_name) {
 977             $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 978             echo '<td>' . htmlspecialchars($tbl_nc_name) . ' </td>
 979             </tr>';
 980         }
 981         foreach ($target_tables_uncommon as $tbl_nc_name) {
 982             $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 983             echo '<td>  ' . htmlspecialchars($tbl_nc_name) . '</td>';
 984             echo '</tr>';
 985         }
 986     echo '</table> </div>';
 987
 988     /**
 989     * connecting the source and target servers
 990     */
 991     if ('rmt' == $_SESSION['src_type']) {
 992         $src_link = PMA_DBI_connect($src_username, $src_password, $is_controluser = false, $_SESSION['src_server']);
 993     } else {
 994         $src_link = $GLOBALS['userlink'];
 995         // working on current server, so initialize this for tracking
 996         // (does not work if user defined current server as a remote one)
 997         $GLOBALS['db'] = $_SESSION['src_db'];
 998     }
 999     if ('rmt' == $_SESSION['trg_type']) {
1000         $trg_link = PMA_DBI_connect($trg_username, $trg_password, $is_controluser = false, $_SESSION['trg_server']);
1001     } else {
1002         $trg_link = $GLOBALS['userlink'];
1003         // working on current server, so initialize this for tracking
1004         $GLOBALS['db'] = $_SESSION['trg_db'];
1005     }
1006
1007     /**
1008     * Displaying the queries.
1009     */
1010     echo '<h5>' . $GLOBALS['strQueriesExecuted'] . '</h5>';
1011     echo '<div id="serverstatus" style = "overflow: auto; width: 1050px; height: 180px;
1012          border-left: 1px gray solid; border-bottom: 1px gray solid; padding: 0px; margin: 0px"> ';
1013     /**
1014     * Applying all sorts of differences for each matching table
1015     */
1016     for($p = 0; $p <sizeof($matching_tables); $p++) {
1017         /**
1018         *  If the check box is checked for deleting previous rows from the target database tables then
1019         *  first find out rows to be deleted and then delete the rows.
1020         */
1021         if (isset($_REQUEST['delete_rows'])) {
1022             PMA_findDeleteRowsFromTargetTables($delete_array, $matching_tables, $p, $target_tables_keys, $matching_tables_keys,
1023             $trg_db, $trg_link, $src_db, $src_link);
1024
1025             if (isset($delete_array[$p])) {
1026                 PMA_deleteFromTargetTable($trg_db, $trg_link, $matching_tables, $p, $target_tables_keys, $delete_array, true);
1027                 unset($delete_array[$p]);
1028             }
1029         }
1030         if (isset($alter_str_array[$p])) {
1031             PMA_alterTargetTableStructure($trg_db, $trg_link, $matching_tables, $source_columns, $alter_str_array, $matching_tables_fields,
1032             $criteria, $matching_tables_keys, $target_tables_keys, $p, true);
1033             unset($alter_str_array[$p]);
1034         }
1035         if (isset($add_column_array[$p])) {
1036             PMA_findDeleteRowsFromTargetTables($delete_array, $matching_tables, $p, $target_tables_keys, $matching_tables_keys,
1037             $trg_db, $trg_link, $src_db, $src_link);
1038
1039             if (isset($delete_array[$p])) {
1040                 PMA_deleteFromTargetTable($trg_db, $trg_link, $matching_tables, $p, $target_tables_keys, $delete_array, true);
1041                 unset($delete_array[$p]);
1042             }
1043             PMA_addColumnsInTargetTable($src_db, $trg_db, $src_link, $trg_link, $matching_tables, $source_columns, $add_column_array, $matching_tables_fields,
1044             $criteria, $matching_tables_keys, $target_tables_keys, $uncommon_tables,$uncommon_tables_fields, $p, $uncommon_cols, true);
1045             unset($add_column_array[$p]);
1046         }
1047         if (isset($uncommon_columns[$p])) {
1048             PMA_removeColumnsFromTargetTable($trg_db, $trg_link, $matching_tables, $uncommon_columns, $p, true);
1049             unset($uncommon_columns[$p]);
1050         }
1051         if (isset($matching_table_structure_diff) &&
1052             (isset($add_indexes_array[$matching_table_structure_diff[$p]])
1053             || isset($remove_indexes_array[$matching_table_structure_diff[$p]])
1054             || isset($alter_indexes_array[$matching_table_structure_diff[$p]]))) {
1055             PMA_applyIndexesDiff ($trg_db, $trg_link, $matching_tables, $source_indexes, $target_indexes, $add_indexes_array, $alter_indexes_array,
1056             $remove_indexes_array, $matching_table_structure_diff[$p], true);
1057
1058             unset($add_indexes_array[$matching_table_structure_diff[$p]]);
1059             unset($alter_indexes_array[$matching_table_structure_diff[$p]]);
1060             unset($remove_indexes_array[$matching_table_structure_diff[$p]]);
1061         }
1062
1063         PMA_updateTargetTables($matching_tables, $update_array, $src_db, $trg_db, $trg_link, $p, $matching_tables_keys, true);
1064
1065         PMA_insertIntoTargetTable($matching_tables, $src_db, $trg_db, $src_link, $trg_link , $matching_tables_fields, $insert_array,$p, $matching_tables_keys,
1066         $matching_tables_keys,$source_columns, $add_column_array, $criteria, $target_tables_keys,$uncommon_tables, $uncommon_tables_fields,$uncommon_cols,
1067         $alter_str_array,$source_indexes, $target_indexes, $add_indexes_array, $alter_indexes_array, $delete_array, $update_array, true);
1068     }
1069
1070     /**
1071     *  Creating and populating tables present in source but absent from target database.
1072     */
1073     for($q = 0; $q < sizeof($source_tables_uncommon) ;$q++) {
1074         if (isset($uncommon_tables[$q])) {
1075             PMA_createTargetTables($src_db, $trg_db, $src_link, $trg_link, $source_tables_uncommon, $q, $uncommon_tables_fields, true);
1076         }
1077         if (isset($row_count[$q])) {
1078             PMA_populateTargetTables($src_db, $trg_db, $src_link, $trg_link, $source_tables_uncommon, $q, $uncommon_tables_fields, true);
1079         }
1080     }
1081     echo "</div>";
1082 }
1083
1084 /**
1085  * Displays the main page when none of the following buttons is pressed
1086  */
1087
1088  if (! isset($_REQUEST['submit_connect']) && ! isset($_REQUEST['synchronize_db']) && ! isset($_REQUEST['Table_ids']) )
1089 {
1090 /**
1091 * Displays the sub-page heading
1092 */
1093     echo '<h2>' . ($GLOBALS['cfg']['MainPageIconic']
1094     ? '<img class="icon" src="' . $pmaThemeImage . 's_sync.png" width="18"'
1095         . ' height="18" alt="" />'
1096     : '')
1097     . $strSynchronize
1098     .'</h2>';
1099
1100     echo  '<div id="serverstatus">
1101     <form name="connection_form" id="connection_form" method="post" action="server_synchronize.php"
1102    >' // TODO: add check if all var. are filled in
1103     . PMA_generate_common_hidden_inputs('', '');
1104     echo '<fieldset>';
1105     echo '<legend>' . $GLOBALS['strSynchronize'] . '</legend>';
1106  /**
1107   * Displays the forms
1108   */
1109
1110     $databases = PMA_DBI_get_databases_full(null, false, null, 'SCHEMA_NAME',
1111         'ASC', 0, true);
1112
1113     foreach ($cons as $type) {
1114       echo '<table id="serverconnection_' . $type . '_remote" class="data">
1115       <tr>
1116           <th colspan="2">' . $GLOBALS['strDatabase_'.$type] . '</th>
1117       </tr>
1118       <tr class="odd">
1119           <td colspan="2" style="text-align: center">
1120              <select name="' . $type . '_type" id="' . $type . '_type">
1121               <option value="rmt">' . $GLOBALS['strRemoteServer'] . '</option>
1122               <option value="cur">' . $GLOBALS['strCurrentServer'] . '</option>
1123              </select>
1124           </td>
1125       </tr>
1126         <tr class="even" id="' . $type . 'tr1">
1127             <td>' . $GLOBALS['strHost'] . '</td>
1128             <td><input type="text" name="' . $type . '_host" /></td>
1129         </tr>
1130         <tr class="odd" id="' . $type . 'tr2">
1131             <td>' . $GLOBALS['strPort'] . '</td>
1132             <td><input type="text" name="' . $type . '_port" value="3306" maxlength="5" size="5" /></td>
1133         </tr>
1134         <tr class="even" id="' . $type . 'tr3">
1135             <td>' . $GLOBALS['strSocket'] . '</td>
1136             <td><input type="text" name="' . $type . '_socket" /></td>
1137         </tr>
1138         <tr class="odd" id="'.$type.'tr4">
1139             <td>' . $GLOBALS['strUserName']. '</td>
1140             <td><input type="text" name="'. $type . '_username" /></td>
1141         </tr>
1142         <tr class="even" id="' . $type . 'tr5">
1143             <td>' . $GLOBALS['strPassword'] . '</td>
1144             <td><input type="password" name="' . $type . '_pass" /> </td>
1145         </tr>
1146         <tr class="odd" id="' . $type . 'tr6">
1147             <td>' . $GLOBALS['strDatabase'] . '</td>
1148             <td><input type="text" name="' . $type . '_db" /></td>
1149         </tr>
1150         <tr class="even" id="' . $type . 'tr7" style="display: none;">
1151             <td>' . $GLOBALS['strDatabase'] . '</td>
1152             <td>';
1153       // these unset() do not complain if the elements do not exist
1154     unset($databases['mysql']);
1155     unset($databases['information_schema']);
1156         if (count($databases) == 0) {
1157                 echo $GLOBALS['strNoDatabases'];
1158         } else {
1159                 echo '
1160                 <select name="' . $type . '_db_sel">
1161                 ';
1162                 foreach ($databases as $db) {
1163             echo '              <option>' . $db['SCHEMA_NAME'] . '</option>';
1164                 }
1165         echo '</select>';
1166         }
1167         echo '</td> </tr>
1168       </table>';
1169
1170     // Add JS to show/hide rows based on the selection
1171       PMA_js(''.
1172         '$(\'' . $type . '_type\').addEvent(\'change\',function() {' .
1173         '    if ($(\'' . $type . 'tr1\').getStyle(\'display\')=="none") {' .
1174         '       for (var i=1; i<7; i++)' .
1175         '               $(\'' . $type . 'tr\'+i).tween(\'display\', \'table-row\');' .
1176         '       $(\'' . $type . 'tr7\').tween(\'display\', \'none\');' .
1177         '    }' .
1178         '   else {' .
1179         '       for (var i=1; i<7; i++)'.
1180         '               $(\'' . $type . 'tr\'+i).tween(\'display\', \'none\');' .
1181         '       $(\'' . $type . 'tr7\').tween(\'display\', \'table-row\');'.
1182         '    }' .
1183         '});'
1184         );
1185    }
1186    unset ($types, $type);
1187
1188     echo '
1189     </fieldset>
1190     <fieldset class="tblFooters">
1191         <input type="submit" name="submit_connect" value="' . $GLOBALS['strGo'] .'" id="buttonGo" />
1192     </fieldset>
1193     </form>
1194     </div>
1195     <div class="notice">' . $strSynchronizationNote . '</div>';
1196 }
1197
1198  /**
1199  * Displays the footer
1200  */
1201 require_once './libraries/footer.inc.php';
1202 ?>