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'] = $target_indexes;
 252
 253             /**
 254             * Displays the sub-heading and icons showing Structure Synchronization and Data Synchronization
 255             */
 256             echo '<form name="synchronize_form" id="synchronize_form" method="post" action="server_synchronize.php">'
 257             . PMA_generate_common_hidden_inputs('', '');
 258             echo '<table id="serverstatustraffic" class="data" width = "60%">
 259             <tr>
 260             <td> <h2>'
 261             . ($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 be added and removed.
 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[$i]);
 346                 }
 347                 if (isset($alter_indexes_array[$i])) {
 348                     $num_add_index += sizeof($alter_indexes_array[$i]);
 349                     $num_remove_index += sizeof($alter_indexes_array[$i]);
 350                 }
 351                 /**
 352                 * Display the red button of structure synchronization if there exists any structure difference or index difference.
 353                 */
 354                 if (($num_alter_cols > 0) || ($num_insert_cols > 0) || ($num_remove_cols > 0) || ($num_add_index > 0) || ($num_remove_index > 0)) {
 355
 356                    echo '<img class="icon" src="' . $pmaThemeImage . 'new_struct.jpg" width="29"  height="29"
 357                    alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 358                    onclick="showDetails(' . "'MS" . $i . "','" . $num_alter_cols . "','" .$num_insert_cols .
 359                    "','" . $num_remove_cols . "','" . $num_add_index . "','" . $num_remove_index . "'"
 360                    . ', this ,' . "'" . htmlspecialchars($matching_tables[$i]) . "'" . ')"/>';
 361                 }
 362                 /**
 363                 * Display the green button of data synchronization if there exists any data difference.
 364                 */
 365                 if (isset($update_array[$i]) || isset($insert_array[$i])) {
 366                     if (isset($update_array[$i][0][$matching_tables_keys[$i][0]]) || isset($insert_array[$i][0][$matching_tables_keys[$i][0]])) {
 367
 368                         echo '<img class="icon" src="' . $pmaThemeImage . 'new_data.jpg" width="29" height="29"
 369                         alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 370                          onclick="showDetails('. "'MD" . $i . "','" . $num_of_updates . "','" . $num_of_insertions .
 371                          "','" . null . "','" . null . "','" . null . "'" . ', this ,' . "'" . htmlspecialchars($matching_tables[$i]) . "'" . ')" />';
 372                     }
 373                 }
 374                 echo '</td>
 375                 </tr>';
 376             }
 377             /**
 378             * Displays the tables' names present in source but missing from target
 379             */
 380             for ($j = 0; $j < count($source_tables_uncommon); $j++) {
 381                 $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 382                 echo '<td> + ' . htmlspecialchars($source_tables_uncommon[$j]) . '</td> ';
 383
 384                 echo '<td align="center"><img class="icon" src="' . $pmaThemeImage .  'new_struct.jpg" width="29"  height="29"
 385                 alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 386                 onclick="showDetails(' . "'US" . $j . "','" . null . "','" . null . "','" . null . "','" . null . "','" . null . "'" . ', this ,'
 387                 . "'" . htmlspecialchars($source_tables_uncommon[$j]) . "'" . ')"/>';
 388
 389                 if ($row_count[$j] > 0)
 390                 {
 391                     echo '<img class="icon" src="' . $pmaThemeImage . 'new_data.jpg" width="29" height="29"
 392                     alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 393                     onclick="showDetails(' . "'UD" . $j . "','" . null . "','" . $row_count[$j] . "','" . null .
 394                     "','" . null . "','" . null . "'" . ', this ,' . "'" . htmlspecialchars($source_tables_uncommon[$j]) . "'" . ')" />';
 395                 }
 396                 echo '</td>
 397                 </tr>';
 398             }
 399             foreach ($target_tables_uncommon as $tbl_nc_name) {
 400                 $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 401                 echo '<td height="32">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </td><td></td>';
 402                 echo '</tr>';
 403             }
 404             /**
 405             * Displays the target tables names
 406             */
 407             echo '</table>';
 408
 409             $odd_row = PMA_syncDisplayHeaderTargetAndMatchingTables($trg_db, $matching_tables);
 410             foreach ($source_tables_uncommon as $tbl_nc_name) {
 411                 $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 412                 echo '<td height="32">' . htmlspecialchars($tbl_nc_name) . ' (' . $GLOBALS['strNotPresent'] . ')</td>
 413                 </tr>';
 414             }
 415             foreach ($target_tables_uncommon as $tbl_nc_name) {
 416                 $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 417                 echo '<td> - ' . htmlspecialchars($tbl_nc_name) . '</td>';
 418                 echo '</tr>';
 419             }
 420             echo '</table>';
 421             echo '</div>';
 422
 423             /**
 424             * This "list" div will contain a table and each row will depict information about structure/data diffrence in tables.
 425             * Rows will be generated dynamically as soon as the colored  buttons "D" or "S"  are clicked.
 426             */
 427
 428             echo '<div id="list" style = "overflow: auto; width: 1020px; height: 140px;
 429             border-left: 1px gray solid; border-bottom: 1px gray solid;
 430             padding:0px; margin: 0px">
 431
 432             <table>
 433                 <thead>
 434                 <tr style="width: 100%;">
 435                     <th id="table_name" style="width: 10%;" colspan="1">' . $strTable . ' </th>
 436                     <th id="str_diff"   style="width: 65%;" colspan="6">' . $strStructureDiff . ' </th>
 437                     <th id="data_diff"  style="width: 20%;" colspan="2">' . $strDataDiff . '</th>
 438                 </tr>
 439                 <tr style="width: 100%;">
 440                     <th style="width: 10%;">' . $strTableName . '</th>
 441                     <th style="width: 10%;">' . $strCreateTable . '</th>
 442                     <th style="width: 11%;">' . $strTableAddColumn . '</th>
 443                     <th style="width: 13%;">' . $strTableRemoveColumn . '</th>
 444                     <th style="width: 11%;">' . $strTableAlterColumn . '</th>
 445                     <th style="width: 12%;">' . $strTableRemoveIndex . '</th>
 446                     <th style="width: 11%;">' . $strTableApplyIndex . '</th>
 447                     <th style="width: 10%;">'.  $strTableUpdateRow . '</th>
 448                     <th style="width: 10%;">' . $strTableInsertRow . '</th>
 449                 </tr>
 450                 </thead>
 451                 <tbody></tbody>
 452             </table>
 453             </div>';
 454             /**
 455             *  This fieldset displays the checkbox to confirm deletion of previous rows from target tables
 456             */
 457             echo '<fieldset>
 458             <p><input type= "checkbox" name="delete_rows" id ="delete_rows" /><label for="delete_rows">' . $strTableDeleteRows . '</label> </p>
 459             </fieldset>
 460             <fieldset class="tblFooters">';
 461             echo '<input type="button" name="apply_changes" value="' . $GLOBALS['strApplyChanges']
 462              . '" onclick ="ApplySelectedChanges(' . "'" . htmlspecialchars($_SESSION['token']) . "'" . ')" />';
 463             echo '<input type="submit" name="synchronize_db" value="' . $GLOBALS['strSynchronizeDb'] . '" />' . '</fieldset>';
 464             echo '</form>';
 465         }
 466     }
 467 } // end if ((isset($_REQUEST['submit_connect'])))
 468
 469  /**
 470  * Display the page when 'Apply Selected Changes' is pressed
 471  */
 472 if (isset($_REQUEST['Table_ids'])) {
 473     /**
 474     * Displays success message
 475     */
 476     echo '<div class="success">' . $GLOBALS['strHaveBeenSynchronized'] . '</div>';
 477
 478     $src_db = $_SESSION['src_db'];
 479     $trg_db = $_SESSION['trg_db'];
 480     $update_array = $_SESSION['update_array'];
 481     $insert_array = $_SESSION['insert_array'];
 482     $src_username = $_SESSION['src_username'];
 483     $trg_username = $_SESSION['trg_username'];
 484     $src_password = $_SESSION['src_password'];
 485     $trg_password = $_SESSION['trg_password'];
 486     $src_server   = $_SESSION['src_server'];
 487     $trg_server   = $_SESSION['trg_server'];
 488     $src_type     = $_SESSION['src_type'];
 489     $trg_type     = $_SESSION['trg_type'];
 490     $uncommon_tables = $_SESSION['uncommon_tables'];
 491     $matching_tables = $_SESSION['matching_tables'];
 492     $matching_tables_keys = $_SESSION['matching_tables_keys'];
 493     $matching_tables_fields = $_SESSION['matching_fields'];
 494     $source_tables_uncommon = $_SESSION['src_uncommon_tables'];
 495     $uncommon_tables_fields = $_SESSION['uncommon_tables_fields'];
 496     $target_tables_uncommon = $_SESSION['target_tables_uncommon'];
 497     $row_count = $_SESSION['uncommon_tables_row_count'];
 498     $target_tables = $_SESSION['target_tables'];
 499
 500     $delete_array = $_SESSION['delete_array'];
 501     $uncommon_columns = $_SESSION['uncommon_columns'];
 502     $source_columns = $_SESSION['source_columns'];
 503     $alter_str_array = $_SESSION['alter_str_array'];
 504     $criteria = $_SESSION['criteria'];
 505     $target_tables_keys = $_SESSION['target_tables_keys'];
 506     $add_column_array = $_SESSION['add_column_array'];
 507     $add_indexes_array = $_SESSION['add_indexes_array'];
 508     $alter_indexes_array = $_SESSION['alter_indexes_array'];
 509     $remove_indexes_array = $_SESSION['remove_indexes_array'];
 510     $source_indexes = $_SESSION['source_indexes'];
 511     $target_indexes = $_SESSION['target_indexes'];
 512     $uncommon_cols = $uncommon_columns;
 513
 514     /**
 515     * Creating link object for source and target databases
 516     */
 517     foreach ($cons as $con) {
 518         if (${"{$con}_type"} == "rmt") {
 519             ${"{$con}_link"} = PMA_DBI_connect(${"{$con}_username"}, ${"{$con}_password"}, $is_controluser = false, ${"{$con}_server"});
 520         } else {
 521             ${"{$con}_link"} = null;
 522             // working on current server, so initialize this for tracking
 523             // (does not work if user defined current server as a remote one)
 524             $GLOBALS['db'] = ${"{$con}_db"};
 525         }
 526     } // end foreach ($cons as $con)
 527
 528     /**
 529     * Initializing arrays to save the table ids whose data and structure difference is to be applied
 530     */
 531     $matching_table_data_diff = array();  //stores id of matching table having data difference
 532     $matching_table_structure_diff = array(); //stores id of matching tables having structure difference
 533     $uncommon_table_structure_diff = array(); //stores id of uncommon tables having structure difference
 534     $uncommon_table_data_diff = array();     //stores id of uncommon tables having data difference
 535
 536     for ($i = 0; isset($_REQUEST[$i]); $i++ ) {
 537         if (isset($_REQUEST[$i])) {
 538             $table_id = split("US", $_REQUEST[$i]);
 539             if (isset($table_id[1])) {
 540                 $uncommon_table_structure_diff[] = $table_id[1];
 541             }
 542             $table_id = split("UD", $_REQUEST[$i]);
 543             if (isset($table_id[1])) {
 544                 $uncommon_table_data_diff[] = $table_id[1];
 545             }
 546             $table_id = split("MS", $_REQUEST[$i]);
 547             if (isset($table_id[1])) {
 548                 $matching_table_structure_diff[] = $table_id[1];
 549             }
 550
 551             $table_id = split("MD", $_REQUEST[$i]);
 552             if (isset($table_id[1])) {
 553                  $matching_table_data_diff[] = $table_id[1];
 554             }
 555         }
 556     } // end for
 557     /**
 558     * Applying the structure difference on selected matching tables
 559     */
 560     for($q = 0; $q < sizeof($matching_table_structure_diff); $q++)
 561     {
 562         if (isset($alter_str_array[$matching_table_structure_diff[$q]])) {
 563
 564             PMA_alterTargetTableStructure($trg_db, $trg_link, $matching_tables, $source_columns, $alter_str_array, $matching_tables_fields,
 565             $criteria, $matching_tables_keys, $target_tables_keys, $matching_table_structure_diff[$q], false);
 566
 567             unset($alter_str_array[$matching_table_structure_diff[$q]]);
 568         }
 569         if (isset($add_column_array[$matching_table_structure_diff[$q]])) {
 570
 571             PMA_findDeleteRowsFromTargetTables($delete_array, $matching_tables, $matching_table_structure_diff[$q], $target_tables_keys,
 572             $matching_tables_keys, $trg_db, $trg_link, $src_db, $src_link);
 573
 574             if (isset($delete_array[$matching_table_structure_diff[$q]])) {
 575
 576                 PMA_deleteFromTargetTable($trg_db, $trg_link, $matching_tables, $matching_table_structure_diff[$q], $target_tables_keys, $delete_array, false);
 577
 578                 unset($delete_array[$matching_table_structure_diff[$q]]);
 579             }
 580             PMA_addColumnsInTargetTable($src_db, $trg_db,$src_link, $trg_link, $matching_tables, $source_columns, $add_column_array, $matching_tables_fields,
 581             $criteria, $matching_tables_keys, $target_tables_keys, $uncommon_tables,$uncommon_tables_fields, $matching_table_structure_diff[$q], $uncommon_cols, false);
 582
 583             unset($add_column_array[$matching_table_structure_diff[$q]]);
 584         }
 585         if (isset($uncommon_columns[$matching_table_structure_diff[$q]])) {
 586
 587             PMA_removeColumnsFromTargetTable($trg_db, $trg_link, $matching_tables, $uncommon_columns, $matching_table_structure_diff[$q], false);
 588
 589             unset($uncommon_columns[$matching_table_structure_diff[$q]]);
 590         }
 591         if (isset($add_indexes_array[$matching_table_structure_diff[$q]]) || isset($remove_indexes_array[$matching_table_structure_diff[$q]])
 592             || isset($alter_indexes_array[$matching_table_structure_diff[$q]])) {
 593
 594             PMA_applyIndexesDiff ($trg_db, $trg_link, $matching_tables, $source_indexes, $target_indexes, $add_indexes_array, $alter_indexes_array,
 595             $remove_indexes_array, $matching_table_structure_diff[$q], false);
 596
 597             unset($add_indexes_array[$matching_table_structure_diff[$q]]);
 598             unset($alter_indexes_array[$matching_table_structure_diff[$q]]);
 599             unset($remove_indexes_array[$matching_table_structure_diff[$q]]);
 600         }
 601     }
 602     /**
 603     * Applying the data difference. First checks if structure diff is applied or not.
 604     * If not, then apply structure difference first then apply data difference.
 605     */
 606     for($p = 0; $p < sizeof($matching_table_data_diff); $p++)
 607     {
 608         if ($_REQUEST['checked'] == 'true') {
 609
 610             PMA_findDeleteRowsFromTargetTables($delete_array, $matching_tables, $matching_table_data_diff[$p], $target_tables_keys,
 611             $matching_tables_keys, $trg_db, $trg_link, $src_db, $src_link);
 612
 613             if (isset($delete_array[$matching_table_data_diff[$p]])) {
 614
 615                 PMA_deleteFromTargetTable($trg_db, $trg_link, $matching_tables, $matching_table_data_diff[$p], $target_tables_keys, $delete_array, false);
 616
 617                 unset($delete_array[$matching_table_data_diff[$p]]);
 618             }
 619         }
 620         if (isset($alter_str_array[$matching_table_data_diff[$p]])) {
 621
 622             PMA_alterTargetTableStructure($trg_db, $trg_link, $matching_tables, $source_columns, $alter_str_array, $matching_tables_fields,
 623             $criteria, $matching_tables_keys, $target_tables_keys, $matching_table_data_diff[$p], false);
 624
 625             unset($alter_str_array[$matching_table_data_diff[$p]]);
 626         }
 627         if (isset($add_column_array[$matching_table_data_diff[$p]])) {
 628
 629             PMA_findDeleteRowsFromTargetTables($delete_array, $matching_tables, $matching_table_data_diff[$p], $target_tables_keys,
 630             $matching_tables_keys, $trg_db, $trg_link, $src_db, $src_link);
 631
 632             if (isset($delete_array[$matching_table_data_diff[$p]])) {
 633
 634                 PMA_deleteFromTargetTable($trg_db, $trg_link, $matching_tables, $matching_table_data_diff[$p], $target_tables_keys, $delete_array, false);
 635
 636                 unset($delete_array[$matching_table_data_diff[$p]]);
 637             }
 638             PMA_addColumnsInTargetTable($src_db, $trg_db,$src_link, $trg_link, $matching_tables, $source_columns, $add_column_array, $matching_tables_fields,
 639             $criteria, $matching_tables_keys, $target_tables_keys, $uncommon_tables, $uncommon_tables_fields, $matching_table_data_diff[$p], $uncommon_cols, false);
 640
 641             unset($add_column_array[$matching_table_data_diff[$p]]);
 642         }
 643         if (isset($uncommon_columns[$matching_table_data_diff[$p]])) {
 644
 645             PMA_removeColumnsFromTargetTable($trg_db, $trg_link, $matching_tables, $uncommon_columns, $matching_table_data_diff[$p], false);
 646
 647             unset($uncommon_columns[$matching_table_data_diff[$p]]);
 648         }
 649         if ((isset($matching_table_structure_diff[$q]) && isset($add_indexes_array[$matching_table_structure_diff[$q]]))
 650             || (isset($matching_table_structure_diff[$q]) && isset($remove_indexes_array[$matching_table_structure_diff[$q]]))
 651             || (isset($matching_table_structure_diff[$q]) && isset($alter_indexes_array[$matching_table_structure_diff[$q]]))) {
 652
 653             PMA_applyIndexesDiff ($trg_db, $trg_link, $matching_tables, $source_indexes, $target_indexes, $add_indexes_array, $alter_indexes_array,
 654             $remove_indexes_array, $matching_table_structure_diff[$q], false);
 655
 656             unset($add_indexes_array[$matching_table_structure_diff[$q]]);
 657             unset($alter_indexes_array[$matching_table_structure_diff[$q]]);
 658             unset($remove_indexes_array[$matching_table_structure_diff[$q]]);
 659         }
 660         /**
 661         * Applying the data difference.
 662         */
 663         PMA_updateTargetTables($matching_tables, $update_array, $src_db, $trg_db, $trg_link, $matching_table_data_diff[$p], $matching_tables_keys, false);
 664
 665         PMA_insertIntoTargetTable($matching_tables, $src_db, $trg_db, $src_link, $trg_link , $matching_tables_fields, $insert_array,
 666         $matching_table_data_diff[$p], $matching_tables_keys, $source_columns, $add_column_array, $criteria, $target_tables_keys,
 667         $uncommon_tables, $uncommon_tables_fields, $uncommon_cols, $alter_str_array, $source_indexes, $target_indexes, $add_indexes_array,
 668         $alter_indexes_array, $delete_array, $update_array, false);
 669     }
 670     /**
 671     * Updating the session variables to the latest values of the arrays.
 672     */
 673     $_SESSION['delete_array'] = $delete_array;
 674     $_SESSION['uncommon_columns'] = $uncommon_columns;
 675     $_SESSION['alter_str_array']  = $alter_str_array;
 676     $_SESSION['add_column_array'] = $add_column_array;
 677     $_SESSION['add_indexes_array'] = $add_indexes_array;
 678     $_SESSION['remove_indexes_array'] = $remove_indexes_array;
 679     $_SESSION['insert_array'] = $insert_array;
 680     $_SESSION['update_array'] = $update_array;
 681
 682     /**
 683     * Applying structure difference to selected non-matching tables (present in Source but absent from Target).
 684     */
 685     for($s = 0; $s < sizeof($uncommon_table_structure_diff); $s++)
 686     {
 687         PMA_createTargetTables($src_db, $trg_db, $src_link, $trg_link, $uncommon_tables, $uncommon_table_structure_diff[$s], $uncommon_tables_fields, false);
 688         $_SESSION['uncommon_tables_fields'] = $uncommon_tables_fields;
 689
 690         unset($uncommon_tables[$uncommon_table_structure_diff[$s]]);
 691     }
 692     /**
 693     * Applying data difference to selected non-matching tables (present in Source but absent from Target).
 694     * Before data synchronization, structure synchronization is confirmed.
 695     */
 696     for($r = 0; $r < sizeof($uncommon_table_data_diff); $r++)
 697     {
 698         if (!(in_array($uncommon_table_data_diff[$r], $uncommon_table_structure_diff))) {
 699             if (isset($uncommon_tables[$uncommon_table_data_diff[$r]])) {
 700
 701                 PMA_createTargetTables($src_db, $trg_db, $src_link, $trg_link, $uncommon_tables, $uncommon_table_data_diff[$r],
 702                     $uncommon_tables_fields, false);
 703                 $_SESSION['uncommon_tables_fields'] = $uncommon_tables_fields;
 704
 705                 unset($uncommon_tables[$uncommon_table_data_diff[$r]]);
 706             }
 707         }
 708         PMA_populateTargetTables($src_db, $trg_db, $src_link, $trg_link, $source_tables_uncommon, $uncommon_table_data_diff[$r],
 709             $_SESSION['uncommon_tables_fields'], false);
 710
 711         unset($row_count[$uncommon_table_data_diff[$r]]);
 712     }
 713     /**
 714     * Again all the tables from source and target database are displayed with their differences.
 715     * The differences have been removed from tables that have been synchronized
 716     */
 717     echo '<form name="applied_difference" id="synchronize_form" method="post" action="server_synchronize.php">'
 718         . PMA_generate_common_hidden_inputs('', '');
 719
 720     PMA_syncDisplayHeaderSource($src_db);
 721     $odd_row = false;
 722     for($i = 0; $i < count($matching_tables); $i++) {
 723         $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 724         echo '<td align="center">' . htmlspecialchars($matching_tables[$i]) . '</td>
 725         <td align="center">';
 726
 727         $num_alter_cols  = 0;
 728         $num_insert_cols = 0;
 729         $num_remove_cols = 0;
 730         $num_add_index = 0;
 731         $num_remove_index = 0;
 732
 733         if (isset($alter_str_array[$i])) {
 734             $num_alter_cols = sizeof($alter_str_array[$i]);
 735         }
 736         if (isset($add_column_array[$i])) {
 737             $num_insert_cols = sizeof($add_column_array[$i]);
 738         }
 739         if (isset($uncommon_columns[$i])) {
 740             $num_remove_cols = sizeof($uncommon_columns[$i]);
 741         }
 742         if (isset($add_indexes_array[$i])) {
 743             $num_add_index = sizeof($add_indexes_array[$i]);
 744         }
 745         if (isset($remove_indexes_array[$i])) {
 746             $num_remove_index = sizeof($remove_indexes_array[$i]);
 747         }
 748
 749         if (($num_alter_cols > 0) || ($num_insert_cols > 0) || ($num_remove_cols > 0) || ($num_add_index > 0) || ($num_remove_index > 0)) {
 750             echo '<img class="icon" src="' . $pmaThemeImage .  'new_struct.jpg" width="29"  height="29"
 751             alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 752             onclick="showDetails(' . "'MS" . $i . "','" . $num_alter_cols . "','" . $num_insert_cols . "','" . $num_remove_cols . "','" . $num_add_index . "','" . $num_remove_index . "'" .',
 753             this ,' . "'" . htmlspecialchars($matching_tables[$i]) . "'" . ')"/>';
 754         }
 755         if (!(in_array($i, $matching_table_data_diff))) {
 756
 757             if (isset($matching_tables_keys[$i][0]) && isset($update_array[$i][0][$matching_tables_keys[$i][0]])) {
 758                 if (isset($update_array[$i])) {
 759                     $num_of_updates = sizeof($update_array[$i]);
 760                 } else {
 761                     $num_of_updates = 0;
 762                 }
 763             } else {
 764                 $num_of_updates = 0;
 765             }
 766             if (isset($matching_tables_keys[$i][0]) && isset($insert_array[$i][0][$matching_tables_keys[$i][0]])) {
 767                 if (isset($insert_array[$i])) {
 768                     $num_of_insertions = sizeof($insert_array[$i]);
 769                 } else {
 770                     $num_of_insertions = 0;
 771                 }
 772             } else {
 773                 $num_of_insertions = 0;
 774             }
 775
 776             if ((isset($matching_tables_keys[$i][0]) && isset($update_array[$i][0][$matching_tables_keys[$i][0]]))
 777                 || (isset($matching_tables_keys[$i][0]) && isset($insert_array[$i][0][$matching_tables_keys[$i][0]]))) {
 778                 echo '<img class="icon" src="' . $pmaThemeImage . 'new_data.jpg" width="29" height="29"
 779                 alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 780                 onclick="showDetails(' . "'MD" . $i . "','" . $num_of_updates . "','" . $num_of_insertions .
 781                 "','" . null . "','" . null . "','" . null . "'" .', this ,' . "'" . htmlspecialchars($matching_tables[$i]) . "'" . ')" />';
 782             }
 783         } else {
 784             unset($update_array[$i]);
 785             unset($insert_array[$i]);
 786         }
 787         echo '</td>
 788         </tr>';
 789     }
 790     /**
 791     * placing updated value of arrays in session
 792     *
 793     */
 794     $_SESSION['update_array'] = $update_array;
 795     $_SESSION['insert_array'] = $insert_array;
 796
 797     for ($j = 0; $j < count($source_tables_uncommon); $j++) {
 798         $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 799         echo '<td align="center"> + ' . htmlspecialchars($source_tables_uncommon[$j]) . '</td>
 800         <td align="center">';
 801         /**
 802         * Display the difference only when it has not been applied
 803         */
 804         if (!(in_array($j, $uncommon_table_structure_diff))) {
 805             if (isset($uncommon_tables[$j])) {
 806                 echo '<img class="icon" src="' . $pmaThemeImage  . 'new_struct.jpg" width="29"  height="29"
 807                 alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 808                 onclick="showDetails(' . "'US" . $j . "','" . null . "','" . null . "','" . null . "','" . null . "','" . null . "'" . ', this ,' . "'" . htmlspecialchars($source_tables_uncommon[$j]) . "'" . ')"/>' .' ';
 809             }
 810         } else {
 811             unset($uncommon_tables[$j]);
 812         }
 813         /**
 814         * Display the difference only when it has not been applied
 815         */
 816         if (!(in_array($j, $uncommon_table_data_diff))) {
 817             if (isset($row_count[$j]) && ($row_count > 0)) {
 818                 echo '<img class="icon" src="' . $pmaThemeImage . 'new_data.jpg" width="29" height="29"
 819                 alt="' . $GLOBALS['strClickToSelect'] . '" onmouseover="change_Image(this);" onmouseout="change_Image(this);"
 820                 onclick="showDetails(' . "'UD" . $j . "','" . null ."','" . $row_count[$j] ."','"
 821                 . null . "','" . null . "','" . null . "'" . ', this ,' . "'". htmlspecialchars($source_tables_uncommon[$j]) . "'" . ')" />';
 822             }
 823         } else {
 824             unset($row_count[$j]);
 825         }
 826
 827         echo '</td>
 828         </tr>';
 829     }
 830     /**
 831     * placing the latest values of arrays in session
 832     */
 833
 834     $_SESSION['uncommon_tables'] = $uncommon_tables;
 835     $_SESSION['uncommon_tables_row_count'] = $row_count;
 836
 837
 838     /**
 839     * Displaying the target database tables
 840     */
 841     foreach ($target_tables_uncommon as $tbl_nc_name) {
 842         $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 843         echo '<td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </td><td></td>';
 844         echo '</tr>';
 845     }
 846     echo '</table>';
 847     $odd_row = PMA_syncDisplayHeaderTargetAndMatchingTables($trg_db, $matching_tables);
 848     foreach ($source_tables_uncommon as $tbl_nc_name) {
 849         $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 850         if (in_array($tbl_nc_name, $uncommon_tables)) {
 851             echo '<td>' . htmlspecialchars($tbl_nc_name) . ' (' .  $GLOBALS['strNotPresent'] . ')</td>';
 852         } else {
 853             echo '<td>' . htmlspecialchars($tbl_nc_name) . '</td>';
 854         }
 855         echo '
 856         </tr>';
 857     }
 858     foreach ($target_tables_uncommon as $tbl_nc_name) {
 859         $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 860         echo '<td> - ' . htmlspecialchars($tbl_nc_name) . '</td>';
 861         echo '</tr>';
 862     }
 863     echo '</table>
 864     </div>';
 865
 866     /**
 867     * This "list" div will contain a table and each row will depict information about structure/data diffrence in tables.
 868     * Rows will be generated dynamically as soon as the colored  buttons "D" or "S"  are clicked.
 869     */
 870
 871     echo '<div id="list" style = "overflow: auto; width: 1020px; height: 140px;
 872           border-left: 1px gray solid; border-bottom: 1px gray solid;
 873           padding:0px; margin: 0px">';
 874
 875     echo '<table>
 876           <thead>
 877             <tr style="width: 100%;">
 878                 <th id="table_name" style="width: 10%;" colspan="1">' . $strTable . ' </th>
 879                 <th id="str_diff"   style="width: 65%;" colspan="6">' . $strStructureDiff . ' </th>
 880                 <th id="data_diff"  style="width: 20%;" colspan="2">' . $strDataDiff . '</th>
 881             </tr>
 882             <tr style="width: 100%;">
 883                 <th style="width: 10%;">' . $strTableName . '</th>
 884                 <th style="width: 10%;">' . $strCreateTable . '</th>
 885                 <th style="width: 11%;">' . $strTableAddColumn . '</th>
 886                 <th style="width: 13%;">' . $strTableRemoveColumn . '</th>
 887                 <th style="width: 11%;">' . $strTableAlterColumn . '</th>
 888                 <th style="width: 12%;">' . $strTableRemoveIndex . '</th>
 889                 <th style="width: 11%;">' . $strTableApplyIndex . '</th>
 890                 <th style="width: 10%;">' . $strTableUpdateRow . '</th>
 891                 <th style="width: 10%;">' . $strTableInsertRow . '</th>
 892             </tr>
 893             </thead>
 894             <tbody></tbody>
 895          </table>
 896         </div>';
 897
 898     /**
 899     *  This fieldset displays the checkbox to confirm deletion of previous rows from target tables
 900     */
 901     echo '<fieldset>
 902     <p><input type="checkbox" name="delete_rows" id ="delete_rows" /><label for="delete_rows">' . $strTableDeleteRows . '</label> </p>
 903     </fieldset>';
 904
 905     echo '<fieldset class="tblFooters">';
 906     echo '<input type="button" name="apply_changes" value="' . $GLOBALS['strApplyChanges'] . '"
 907           onclick ="ApplySelectedChanges(' . "'" . htmlspecialchars($_SESSION['token']) . "'" .')" />';
 908     echo '<input type="submit" name="synchronize_db" value="' . $GLOBALS['strSynchronizeDb'] . '" />'
 909           . '</fieldset>';
 910     echo '</form>';
 911 }
 912
 913 /**
 914 * Displays the page when 'Synchronize Databases' is pressed.
 915 */
 916
 917 if (isset($_REQUEST['synchronize_db'])) {
 918
 919     $src_db = $_SESSION['src_db'];
 920     $trg_db = $_SESSION['trg_db'];
 921     $update_array = $_SESSION['update_array'];
 922     $insert_array = $_SESSION['insert_array'];
 923     $src_username = $_SESSION['src_username'];
 924     $trg_username = $_SESSION['trg_username'];
 925     $src_password = $_SESSION['src_password'];
 926     $trg_password = $_SESSION['trg_password'];
 927     $matching_tables = $_SESSION['matching_tables'];
 928     $matching_tables_keys = $_SESSION['matching_tables_keys'];
 929     $matching_tables_fields = $_SESSION['matching_fields'];
 930     $source_tables_uncommon = $_SESSION['src_uncommon_tables'];
 931     $uncommon_tables_fields = $_SESSION['uncommon_tables_fields'];
 932     $target_tables_uncommon = $_SESSION['target_tables_uncommon'];
 933     $row_count = $_SESSION['uncommon_tables_row_count'];
 934     $uncommon_tables = $_SESSION['uncommon_tables'];
 935     $target_tables = $_SESSION['target_tables'];
 936
 937     $delete_array = $_SESSION['delete_array'];
 938     $uncommon_columns = $_SESSION['uncommon_columns'];
 939     $source_columns = $_SESSION['source_columns'];
 940     $alter_str_array = $_SESSION['alter_str_array'];
 941     $criteria = $_SESSION['criteria'];
 942     $target_tables_keys = $_SESSION['target_tables_keys'];
 943     $add_column_array = $_SESSION['add_column_array'];
 944     $add_indexes_array = $_SESSION['add_indexes_array'];
 945     $alter_indexes_array = $_SESSION['alter_indexes_array'];
 946     $remove_indexes_array = $_SESSION['remove_indexes_array'];
 947     $source_indexes = $_SESSION['source_indexes'];
 948     $target_indexes = $_SESSION['target_indexes'];
 949     $uncommon_cols = $uncommon_columns;
 950
 951    /**
 952    * Display success message.
 953    */
 954     echo '<div class="success">' . $GLOBALS['strTargetDatabaseHasBeenSynchronized'] . '</div>';
 955     /**
 956     * Displaying all the tables of source and target database and now no difference is there.
 957     */
 958     PMA_syncDisplayHeaderSource($src_db);
 959
 960         $odd_row = false;
 961         for($i = 0; $i < count($matching_tables); $i++)
 962         {
 963             $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 964             echo '<td>' . htmlspecialchars($matching_tables[$i]) . '</td>
 965             <td></td>
 966             </tr>';
 967         }
 968         for ($j = 0; $j < count($source_tables_uncommon); $j++) {
 969             $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 970             echo '<td> + ' . htmlspecialchars($source_tables_uncommon[$j]) . '</td> ';
 971             echo '<td></td>
 972             </tr>';
 973         }
 974         foreach ($target_tables_uncommon as $tbl_nc_name) {
 975             $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 976             echo '<td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </td><td></td>';
 977             echo '</tr>';
 978         }
 979         echo '</table>';
 980         $odd_row = PMA_syncDisplayHeaderTargetAndMatchingTables($trg_db, $matching_tables);
 981         foreach ($source_tables_uncommon as $tbl_nc_name) {
 982             $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 983             echo '<td>' . htmlspecialchars($tbl_nc_name) . ' </td>
 984             </tr>';
 985         }
 986         foreach ($target_tables_uncommon as $tbl_nc_name) {
 987             $odd_row = PMA_syncDisplayBeginTableRow($odd_row);
 988             echo '<td>  ' . htmlspecialchars($tbl_nc_name) . '</td>';
 989             echo '</tr>';
 990         }
 991     echo '</table> </div>';
 992
 993     /**
 994     * connecting the source and target servers
 995     */
 996     if ('rmt' == $_SESSION['src_type']) {
 997         $src_link = PMA_DBI_connect($src_username, $src_password, $is_controluser = false, $_SESSION['src_server']);
 998     } else {
 999         $src_link = $GLOBALS['userlink'];
1000         // working on current server, so initialize this for tracking
1001         // (does not work if user defined current server as a remote one)
1002         $GLOBALS['db'] = $_SESSION['src_db'];
1003     }
1004     if ('rmt' == $_SESSION['trg_type']) {
1005         $trg_link = PMA_DBI_connect($trg_username, $trg_password, $is_controluser = false, $_SESSION['trg_server']);
1006     } else {
1007         $trg_link = $GLOBALS['userlink'];
1008         // working on current server, so initialize this for tracking
1009         $GLOBALS['db'] = $_SESSION['trg_db'];
1010     }
1011
1012     /**
1013     * Displaying the queries.
1014     */
1015     echo '<h5>' . $GLOBALS['strQueriesExecuted'] . '</h5>';
1016     echo '<div id="serverstatus" style = "overflow: auto; width: 1050px; height: 180px;
1017          border-left: 1px gray solid; border-bottom: 1px gray solid; padding: 0px; margin: 0px"> ';
1018     /**
1019     * Applying all sorts of differences for each matching table
1020     */
1021     for($p = 0; $p < sizeof($matching_tables); $p++) {
1022         /**
1023         *  If the check box is checked for deleting previous rows from the target database tables then
1024         *  first find out rows to be deleted and then delete the rows.
1025         */
1026         if (isset($_REQUEST['delete_rows'])) {
1027             PMA_findDeleteRowsFromTargetTables($delete_array, $matching_tables, $p, $target_tables_keys, $matching_tables_keys,
1028                 $trg_db, $trg_link, $src_db, $src_link);
1029
1030             if (isset($delete_array[$p])) {
1031                 PMA_deleteFromTargetTable($trg_db, $trg_link, $matching_tables, $p, $target_tables_keys, $delete_array, true);
1032                 unset($delete_array[$p]);
1033             }
1034         }
1035         if (isset($alter_str_array[$p])) {
1036             PMA_alterTargetTableStructure($trg_db, $trg_link, $matching_tables, $source_columns, $alter_str_array, $matching_tables_fields,
1037             $criteria, $matching_tables_keys, $target_tables_keys, $p, true);
1038             unset($alter_str_array[$p]);
1039         }
1040         if (isset($add_column_array[$p])) {
1041             PMA_findDeleteRowsFromTargetTables($delete_array, $matching_tables, $p, $target_tables_keys, $matching_tables_keys,
1042             $trg_db, $trg_link, $src_db, $src_link);
1043
1044             if (isset($delete_array[$p])) {
1045                 PMA_deleteFromTargetTable($trg_db, $trg_link, $matching_tables, $p, $target_tables_keys, $delete_array, true);
1046                 unset($delete_array[$p]);
1047             }
1048             PMA_addColumnsInTargetTable($src_db, $trg_db, $src_link, $trg_link, $matching_tables, $source_columns, $add_column_array,
1049                 $matching_tables_fields, $criteria, $matching_tables_keys, $target_tables_keys, $uncommon_tables, $uncommon_tables_fields,
1050                 $p, $uncommon_cols, true);
1051             unset($add_column_array[$p]);
1052         }
1053         if (isset($uncommon_columns[$p])) {
1054             PMA_removeColumnsFromTargetTable($trg_db, $trg_link, $matching_tables, $uncommon_columns, $p, true);
1055             unset($uncommon_columns[$p]);
1056         }
1057         if (isset($matching_table_structure_diff) &&
1058             (isset($add_indexes_array[$matching_table_structure_diff[$p]])
1059             || isset($remove_indexes_array[$matching_table_structure_diff[$p]])
1060             || isset($alter_indexes_array[$matching_table_structure_diff[$p]]))) {
1061             PMA_applyIndexesDiff ($trg_db, $trg_link, $matching_tables, $source_indexes, $target_indexes, $add_indexes_array, $alter_indexes_array,
1062             $remove_indexes_array, $matching_table_structure_diff[$p], true);
1063
1064             unset($add_indexes_array[$matching_table_structure_diff[$p]]);
1065             unset($alter_indexes_array[$matching_table_structure_diff[$p]]);
1066             unset($remove_indexes_array[$matching_table_structure_diff[$p]]);
1067         }
1068
1069         PMA_updateTargetTables($matching_tables, $update_array, $src_db, $trg_db, $trg_link, $p, $matching_tables_keys, true);
1070
1071         PMA_insertIntoTargetTable($matching_tables, $src_db, $trg_db, $src_link, $trg_link , $matching_tables_fields, $insert_array, $p,
1072             $matching_tables_keys, $matching_tables_keys, $source_columns, $add_column_array, $criteria, $target_tables_keys, $uncommon_tables,
1073             $uncommon_tables_fields,$uncommon_cols, $alter_str_array,$source_indexes, $target_indexes, $add_indexes_array,
1074             $alter_indexes_array, $delete_array, $update_array, true);
1075     }
1076
1077     /**
1078     *  Creating and populating tables present in source but absent from target database.
1079     */
1080     for($q = 0; $q < sizeof($source_tables_uncommon); $q++) {
1081         if (isset($uncommon_tables[$q])) {
1082             PMA_createTargetTables($src_db, $trg_db, $src_link, $trg_link, $source_tables_uncommon, $q, $uncommon_tables_fields, true);
1083         }
1084         if (isset($row_count[$q])) {
1085             PMA_populateTargetTables($src_db, $trg_db, $src_link, $trg_link, $source_tables_uncommon, $q, $uncommon_tables_fields, true);
1086         }
1087     }
1088     echo "</div>";
1089 }
1090
1091 /**
1092  * Displays the main page when none of the following buttons is pressed
1093  */
1094
1095  if (! isset($_REQUEST['submit_connect']) && ! isset($_REQUEST['synchronize_db']) && ! isset($_REQUEST['Table_ids']) )
1096 {
1097 /**
1098 * Displays the sub-page heading
1099 */
1100     echo '<h2>' . ($GLOBALS['cfg']['MainPageIconic']
1101     ? '<img class="icon" src="' . $pmaThemeImage . 's_sync.png" width="18"'
1102         . ' height="18" alt="" />'
1103     : '')
1104     . $strSynchronize
1105     .'</h2>';
1106
1107     echo  '<div id="serverstatus">
1108     <form name="connection_form" id="connection_form" method="post" action="server_synchronize.php"
1109    >' // TODO: add check if all var. are filled in
1110     . PMA_generate_common_hidden_inputs('', '');
1111     echo '<fieldset>';
1112     echo '<legend>' . $GLOBALS['strSynchronize'] . '</legend>';
1113  /**
1114   * Displays the forms
1115   */
1116
1117     $databases = PMA_DBI_get_databases_full(null, false, null, 'SCHEMA_NAME',
1118         'ASC', 0, true);
1119
1120     foreach ($cons as $type) {
1121       echo '<table id="serverconnection_' . $type . '_remote" class="data">
1122       <tr>
1123           <th colspan="2">' . $GLOBALS['strDatabase_'.$type] . '</th>
1124       </tr>
1125       <tr class="odd">
1126           <td colspan="2" style="text-align: center">
1127              <select name="' . $type . '_type" id="' . $type . '_type">
1128               <option value="rmt">' . $GLOBALS['strRemoteServer'] . '</option>
1129               <option value="cur">' . $GLOBALS['strCurrentServer'] . '</option>
1130              </select>
1131           </td>
1132       </tr>
1133         <tr class="even" id="' . $type . 'tr1">
1134             <td>' . $GLOBALS['strHost'] . '</td>
1135             <td><input type="text" name="' . $type . '_host" /></td>
1136         </tr>
1137         <tr class="odd" id="' . $type . 'tr2">
1138             <td>' . $GLOBALS['strPort'] . '</td>
1139             <td><input type="text" name="' . $type . '_port" value="3306" maxlength="5" size="5" /></td>
1140         </tr>
1141         <tr class="even" id="' . $type . 'tr3">
1142             <td>' . $GLOBALS['strSocket'] . '</td>
1143             <td><input type="text" name="' . $type . '_socket" /></td>
1144         </tr>
1145         <tr class="odd" id="'.$type.'tr4">
1146             <td>' . $GLOBALS['strUserName']. '</td>
1147             <td><input type="text" name="'. $type . '_username" /></td>
1148         </tr>
1149         <tr class="even" id="' . $type . 'tr5">
1150             <td>' . $GLOBALS['strPassword'] . '</td>
1151             <td><input type="password" name="' . $type . '_pass" /> </td>
1152         </tr>
1153         <tr class="odd" id="' . $type . 'tr6">
1154             <td>' . $GLOBALS['strDatabase'] . '</td>
1155             <td><input type="text" name="' . $type . '_db" /></td>
1156         </tr>
1157         <tr class="even" id="' . $type . 'tr7" style="display: none;">
1158             <td>' . $GLOBALS['strDatabase'] . '</td>
1159             <td>';
1160       // these unset() do not complain if the elements do not exist
1161     unset($databases['mysql']);
1162     unset($databases['information_schema']);
1163
1164         if (count($databases) == 0) {
1165                 echo $GLOBALS['strNoDatabases'];
1166         } else {
1167                 echo '
1168                 <select name="' . $type . '_db_sel">
1169                 ';
1170                 foreach ($databases as $db) {
1171             echo '              <option>' . htmlspecialchars($db['SCHEMA_NAME']) . '</option>';
1172                 }
1173         echo '</select>';
1174         }
1175         echo '</td> </tr>
1176       </table>';
1177
1178     // Add JS to show/hide rows based on the selection
1179       PMA_js(''.
1180         '$(\'' . $type . '_type\').addEvent(\'change\',function() {' .
1181         '    if ($(\'' . $type . 'tr1\').getStyle(\'display\')=="none") {' .
1182         '       for (var i=1; i<7; i++)' .
1183         '               $(\'' . $type . 'tr\'+i).tween(\'display\', \'table-row\');' .
1184         '       $(\'' . $type . 'tr7\').tween(\'display\', \'none\');' .
1185         '    }' .
1186         '   else {' .
1187         '       for (var i=1; i<7; i++)'.
1188         '               $(\'' . $type . 'tr\'+i).tween(\'display\', \'none\');' .
1189         '       $(\'' . $type . 'tr7\').tween(\'display\', \'table-row\');'.
1190         '    }' .
1191         '});'
1192         );
1193    }
1194    unset ($types, $type);
1195
1196     echo '
1197     </fieldset>
1198     <fieldset class="tblFooters">
1199         <input type="submit" name="submit_connect" value="' . $GLOBALS['strGo'] .'" id="buttonGo" />
1200     </fieldset>
1201     </form>
1202     </div>
1203     <div class="notice">' . $strSynchronizationNote . '</div>';
1204 }
1205
1206  /**
1207  * Displays the footer
1208  */
1209 require_once './libraries/footer.inc.php';
1210 ?>