tbl_relation.php3

   1 <?php
   2 /* $Id$ */
   3 // vim: expandtab sw=4 ts=4 sts=4:
   4
   5 /**
   6  * Gets some core libraries
   7  */
   8 require('./libraries/grab_globals.lib.php3');
   9 require('./libraries/common.lib.php3');
  10 require('./tbl_properties_common.php3');
  11 $url_query .= '&amp;goto=tbl_properties.php3';
  12
  13 // Note: in tbl_properties_table_info we get and display the table comment.
  14 // For InnoDB, this comment contains the REFER information but any update
  15 // has not been done yet (will be done in tbl_relation later).
  16 $avoid_show_comment = TRUE;
  17 require('./tbl_properties_table_info.php3');
  18 require('./libraries/relation.lib.php3');
  19
  20 $options_array = array('CASCADE' => 'CASCADE', 'SET_NULL' => 'SET NULL', 'NO_ACTION' => 'NO ACTION', 'RESTRICT' => 'RESTRICT');
  21
  22          /**
  23          * Generate dropdown choices
  24          *
  25          * @param   string   Message to display
  26          * @param   string   Name of the <select> field
  27          * @param   array    Choices for dropdown
  28          * @return  string   The existing value (for selected)
  29          *
  30          * @access  public
  31          */
  32 function PMA_generate_dropdown($dropdown_question,$radio_name,$choices,$selected_value) {
  33     global $font_smallest;
  34
  35     echo $dropdown_question . '&nbsp;&nbsp;';
  36
  37     echo '<select name="' . $radio_name . '" style="font-size: ' . $font_smallest . '">' . "\n";
  38     echo '<option value="nix" style="font-size: ' . $font_smallest . '" >--</option>' . "\n";
  39
  40     while (list($one_value, $one_label) = each($choices)) {
  41         echo '<option value="' . $one_value . '"';
  42         if ($selected_value == $one_value) {
  43             echo ' selected="selected" ';
  44         }
  45         echo ' style="font-size: ' . $font_smallest . '">' . $one_label . '</option>' . "\n";
  46     }
  47     echo '</select>' . "\n";
  48     echo "\n";
  49 }
  50
  51
  52 /**
  53  * Gets the relation settings
  54  */
  55 $cfgRelation = PMA_getRelationsParam();
  56
  57
  58 /**
  59  * Updates
  60  */
  61
  62 if ($cfgRelation['relwork']) {
  63     $existrel = PMA_getForeigners($db, $table, '', 'internal');
  64     if ($tbl_type=='INNODB') {
  65         $existrel_innodb = PMA_getForeigners($db, $table, '', 'innodb');
  66     }
  67 }
  68 if ($cfgRelation['displaywork']) {
  69     $disp     = PMA_getDisplayField($db, $table);
  70 }
  71 if ($cfgRelation['relwork']
  72     && isset($submit_rel) && $submit_rel == 'true') {
  73
  74     // u p d a t e s   f o r   I n t e r n a l    r e l a t i o n s
  75
  76     while (list($master_field, $foreign_string) = each($destination)) {
  77         if ($foreign_string != 'nix') {
  78             list($foreign_db, $foreign_table, $foreign_field) = explode('.', $foreign_string);
  79             if (!isset($existrel[$master_field])) {
  80                 $upd_query  = 'INSERT INTO ' . PMA_backquote($cfgRelation['relation'])
  81                             . '(master_db, master_table, master_field, foreign_db, foreign_table, foreign_field)'
  82                             . ' values('
  83                             . '\'' . PMA_sqlAddslashes($db) . '\', '
  84                             . '\'' . PMA_sqlAddslashes($table) . '\', '
  85                             . '\'' . PMA_sqlAddslashes($master_field) . '\', '
  86                             . '\'' . PMA_sqlAddslashes($foreign_db) . '\', '
  87                             . '\'' . PMA_sqlAddslashes($foreign_table) . '\','
  88                             . '\'' . PMA_sqlAddslashes($foreign_field) . '\')';
  89             } else if ($existrel[$master_field]['foreign_db'] . '.' .$existrel[$master_field]['foreign_table'] . '.' . $existrel[$master_field]['foreign_field'] != $foreign_string) {
  90                 $upd_query  = 'UPDATE ' . PMA_backquote($cfgRelation['relation']) . ' SET'
  91                             . ' foreign_db       = \'' . PMA_sqlAddslashes($foreign_db) . '\', '
  92                             . ' foreign_table    = \'' . PMA_sqlAddslashes($foreign_table) . '\', '
  93                             . ' foreign_field    = \'' . PMA_sqlAddslashes($foreign_field) . '\' '
  94                             . ' WHERE master_db  = \'' . PMA_sqlAddslashes($db) . '\''
  95                             . ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
  96                             . ' AND master_field = \'' . PMA_sqlAddslashes($master_field) . '\'';
  97             } // end if... else....
  98         } else if (isset($existrel[$master_field])) {
  99             $upd_query      = 'DELETE FROM ' . PMA_backquote($cfgRelation['relation'])
 100                             . ' WHERE master_db  = \'' . PMA_sqlAddslashes($db) . '\''
 101                             . ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
 102                             . ' AND master_field = \'' . PMA_sqlAddslashes($master_field) . '\'';
 103         } // end if... else....
 104         if (isset($upd_query)) {
 105             $upd_rs         = PMA_query_as_cu($upd_query);
 106             unset($upd_query);
 107         }
 108     } // end while
 109
 110
 111     // u p d a t e s   f o r   I n n o D B
 112     // ( for now, same db only, and one index name)
 113     if (isset($destination_innodb)) {
 114         while (list($master_field, $foreign_string) = each($destination_innodb)) {
 115             if ($foreign_string != 'nix') {
 116                 list($foreign_db, $foreign_table, $foreign_field) = explode('.', $foreign_string);
 117                 if (!isset($existrel_innodb[$master_field])) {
 118                     // no key defined for this field
 119
 120                     // The next few lines are repeated below, so they
 121                     // could be put in an include file
 122                     $upd_query  = 'ALTER TABLE ' . $table
 123                                 . ' ADD FOREIGN KEY ('
 124                                 . PMA_sqlAddslashes($master_field) . ')'
 125                                 . ' REFERENCES '
 126                                 . PMA_sqlAddslashes($foreign_table) . '('
 127                                 . PMA_sqlAddslashes($foreign_field) . ')';
 128
 129                     if (${$master_field . '_on_delete'} != 'nix') {
 130                         $upd_query   .= ' ON DELETE ' . $options_array[${$master_field . '_on_delete'}];
 131                     }
 132                     if (${$master_field . '_on_update'} != 'nix') {
 133                         $upd_query   .= ' ON UPDATE ' . $options_array[${$master_field . '_on_update'}];
 134                     }
 135
 136                     // end repeated code
 137
 138                 } else if (($existrel_innodb[$master_field]['foreign_db'] . '.' .$existrel_innodb[$master_field]['foreign_table'] . '.' . $existrel_innodb[$master_field]['foreign_field'] != $foreign_string)
 139                   || ( ${$master_field . '_on_delete'} != (!empty($existrel_innodb[$master_field]['on_delete']) ? $existrel_innodb[$master_field]['on_delete'] : ''))
 140                   || ( ${$master_field . '_on_update'} != (!empty($existrel_innodb[$master_field]['on_update']) ? $existrel_innodb[$master_field]['on_update'] : ''))
 141                        ) {
 142                     // another foreign key is already defined for this field
 143                     // or
 144                     // an option has been changed for ON DELETE or ON UPDATE
 145
 146                     // remove existing key
 147                     if (PMA_MYSQL_INT_VERSION >= 40013) {
 148                         $upd_query  = 'ALTER TABLE ' . $table
 149                                     . ' DROP FOREIGN KEY '
 150                                     . $existrel_innodb[$master_field]['constraint'];
 151
 152                         // I tried to send both in one query but it failed
 153                         $upd_rs         = PMA_mysql_query($upd_query);
 154                     }
 155
 156                     // add another
 157                     $upd_query  = 'ALTER TABLE ' . $table
 158                                 . ' ADD FOREIGN KEY ('
 159                                 . PMA_sqlAddslashes($master_field) . ')'
 160                                 . ' REFERENCES '
 161                                 . PMA_sqlAddslashes($foreign_table) . '('
 162                                 . PMA_sqlAddslashes($foreign_field) . ')';
 163
 164                     if (${$master_field . '_on_delete'} != 'nix') {
 165                         $upd_query   .= ' ON DELETE ' . $options_array[${$master_field . '_on_delete'}];
 166                     }
 167                     if (${$master_field . '_on_update'} != 'nix') {
 168                         $upd_query   .= ' ON UPDATE ' . $options_array[${$master_field . '_on_update'}];
 169                     }
 170
 171                 } // end if... else....
 172             } else if (isset($existrel_innodb[$master_field])) {
 173                     if (PMA_MYSQL_INT_VERSION >= 40013) {
 174                         $upd_query  = 'ALTER TABLE ' . $table
 175                                 . ' DROP FOREIGN KEY '
 176                                 . $existrel_innodb[$master_field]['constraint'];
 177                     }
 178             } // end if... else....
 179
 180             if (isset($upd_query)) {
 181                 $upd_rs         = PMA_mysql_query($upd_query);
 182                 if (PMA_mysql_error() && mysql_errno() == 1005) {
 183                     echo '<p class="warning">' . $strNoIndex . ' (' . $master_field .')</p>'  . PMA_showMySQLDocu('manual_Table_types', 'InnoDB_foreign_key_constraints') . "\n";
 184                 }
 185                 unset($upd_query);
 186             }
 187         } // end while
 188     } // end if isset($destination_innodb)
 189
 190 } // end if
 191
 192
 193 // U p d a t e s   f o r   d i s p l a y   f i e l d
 194
 195 if ($cfgRelation['displaywork']
 196     && isset($submit_show) && $submit_show == 'true') {
 197
 198     if ($disp) {
 199         if ($display_field != '') {
 200             $upd_query = 'UPDATE ' . PMA_backquote($cfgRelation['table_info'])
 201                        . ' SET display_field = \'' . PMA_sqlAddslashes($display_field) . '\''
 202                        . ' WHERE db_name  = \'' . PMA_sqlAddslashes($db) . '\''
 203                        . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\'';
 204         } else {
 205             $upd_query = 'DELETE FROM ' . PMA_backquote($cfgRelation['table_info'])
 206                        . ' WHERE db_name  = \'' . PMA_sqlAddslashes($db) . '\''
 207                        . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\'';
 208         }
 209     } elseif ($display_field != '') {
 210         $upd_query = 'INSERT INTO ' . PMA_backquote($cfgRelation['table_info'])
 211                    . '(db_name, table_name, display_field) '
 212                    . ' VALUES('
 213                    . '\'' . PMA_sqlAddslashes($db) . '\','
 214                    . '\'' . PMA_sqlAddslashes($table) . '\','
 215                    . '\'' . PMA_sqlAddslashes($display_field) . '\')';
 216     }
 217
 218     if (isset($upd_query)) {
 219         $upd_rs    = PMA_query_as_cu($upd_query);
 220     }
 221 } // end if
 222
 223 if ($cfgRelation['commwork']
 224     && isset($submit_comm) && $submit_comm == 'true') {
 225     while (list($key, $value) = each($comment)) {
 226         // garvin: I exported the snippet here to a function (relation.lib.php3) , so it can be used multiple times throughout other pages where you can set comments.
 227         PMA_setComment($db, $table, $key, $value);
 228     }  // end while (transferred data)
 229 } // end if (commwork)
 230
 231 // If we did an update, refresh our data
 232 if ($cfgRelation['relwork']
 233     && isset($submit_rel) && $submit_rel == 'true') {
 234     $existrel = PMA_getForeigners($db, $table, '', 'internal');
 235     if ($tbl_type=='INNODB') {
 236         $existrel_innodb = PMA_getForeigners($db, $table, '', 'innodb');
 237     }
 238 }
 239 if ($cfgRelation['displaywork']) {
 240     $disp     = PMA_getDisplayField($db, $table);
 241 }
 242 if ($cfgRelation['commwork']) {
 243     $comments = PMA_getComments($db, $table);
 244 }
 245
 246
 247 /**
 248  * Dialog
 249  */
 250 if ($cfgRelation['relwork']) {
 251
 252     // To choose relations we first need all tables names in current db
 253     // and if PMA version permits and the main table is innodb,
 254     // we use SHOW TABLE STATUS because we need to find other InnoDB tables
 255
 256     if (PMA_MYSQL_INT_VERSION >= 32303 && $tbl_type=='INNODB') {
 257         $tab_query           = 'SHOW TABLE STATUS FROM ' . PMA_backquote($db);
 258     // [0] of the row is the name
 259     // [1] is the type
 260     } else {
 261         $tab_query           = 'SHOW TABLES FROM ' . PMA_backquote($db);
 262     }
 263     // [0] of the row is the name
 264
 265     $tab_rs              = PMA_mysql_query($tab_query) or PMA_mysqlDie('', $tab_query, '', $err_url_0);
 266     $selectboxall['nix'] = '--';
 267     $selectboxall_innodb['nix'] = '--';
 268
 269     while ($curr_table = @PMA_mysql_fetch_array($tab_rs)) {
 270         if (($curr_table[0] != $table) && ($curr_table[0] != $cfg['Server']['relation'])) {
 271             $fi_query = 'SHOW KEYS FROM ' . PMA_backquote($curr_table[0]);
 272             $fi_rs    = PMA_mysql_query($fi_query) or PMA_mysqlDie('', $fi_query, '', $err_url_0);
 273             if ($fi_rs && mysql_num_rows($fi_rs) > 0) {
 274                 $seen_a_primary=FALSE;
 275                 while ($curr_field = PMA_mysql_fetch_array($fi_rs)) {
 276                     if (isset($curr_field['Key_name']) && $curr_field['Key_name'] == 'PRIMARY') {
 277                         $seen_a_primary=TRUE;
 278                         $field_full = $db . '.' .$curr_field['Table'] . '.' . $curr_field['Column_name'];
 279                         $field_v    = $curr_field['Table'] . '->' . $curr_field['Column_name'];
 280                         $selectboxall[$field_full] =  $field_v;
 281                         // there could be more than one segment of the primary
 282                         // so do not break
 283
 284                         if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') {
 285                         $selectboxall_innodb[$field_full] =  $field_v;
 286                         }
 287
 288                     } else if (isset($curr_field['Non_unique']) && $curr_field['Non_unique'] == 0 && $seen_a_primary==FALSE) {
 289                         // if we can't find a primary key we take any unique one
 290                         // (in fact, we show all segments of unique keys
 291                         //  and all unique keys)
 292                         $field_full = $db . '.' . $curr_field['Table'] . '.' . $curr_field['Column_name'];
 293                         $field_v    = $curr_field['Table'] . '->' . $curr_field['Column_name'];
 294                         $selectboxall[$field_full] =  $field_v;
 295                         if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') {
 296                         $selectboxall_innodb[$field_full] =  $field_v;
 297                         }
 298                     } // end if
 299                 } // end while over keys
 300             } // end if (mysql_num_rows)
 301
 302         // Mike Beck - 24.07.02: i've been asked to add all keys of the
 303         // current table (see bug report #574851)
 304         }
 305         else if ($curr_table[0] == $table) {
 306             $fi_query = 'SHOW KEYS FROM ' . PMA_backquote($curr_table[0]);
 307             $fi_rs    = PMA_mysql_query($fi_query) or PMA_mysqlDie('', $fi_query, '', $err_url_0);
 308             if ($fi_rs && mysql_num_rows($fi_rs) > 0) {
 309                 while ($curr_field = PMA_mysql_fetch_array($fi_rs)) {
 310                     $field_full = $db . '.' . $curr_field['Table'] . '.' . $curr_field['Column_name'];
 311                     $field_v    = $curr_field['Table'] . '->' . $curr_field['Column_name'];
 312                     $selectboxall[$field_full] =  $field_v;
 313                     if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') {
 314                     $selectboxall_innodb[$field_full] =  $field_v;
 315                     }
 316                 } // end while
 317             } // end if (mysql_num_rows)
 318         }
 319     } // end while over tables
 320
 321 } // end if
 322
 323
 324 // Now find out the columns of our $table
 325 $col_query = 'SHOW COLUMNS FROM ' . PMA_backquote($table);
 326 $col_rs    = PMA_mysql_query($col_query) or PMA_mysqlDie('', $col_query, '', $err_url_0);
 327
 328 if ($col_rs && mysql_num_rows($col_rs) > 0) {
 329     while ($row = PMA_mysql_fetch_array($col_rs)) {
 330         $save_row[] = $row;
 331     }
 332     $saved_row_cnt  = count($save_row);
 333
 334     ?>
 335 <form method="post" action="tbl_relation.php3">
 336     <?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
 337     <input type="hidden" name="submit_rel" value="true" />
 338
 339     <table>
 340     <tr>
 341         <th colspan="4" align="center"><b><?php echo $strLinksTo; ?></b></th>
 342     </tr>
 343     <tr>
 344         <th></th><th><b><?php echo $strInternalRelations;
 345         if ($tbl_type=='INNODB') {
 346             echo '&nbsp;(*)';
 347         }
 348         ?></b></th>
 349         <?php
 350         if ($tbl_type=='INNODB') {
 351             echo '<th colspan="2">InnoDB';
 352             if (PMA_MYSQL_INT_VERSION < 40013) {
 353                 echo '&nbsp;(**)';
 354             }
 355             echo '</th>';
 356         }
 357         ?>
 358     </tr>
 359     <?php
 360     for ($i = 0; $i < $saved_row_cnt; $i++) {
 361         $myfield = $save_row[$i]['Field'];
 362         echo "\n";
 363         ?>
 364     <tr>
 365         <th><?php echo $save_row[$i]['Field']; ?></th>
 366         <td>
 367             <select name="destination[<?php echo htmlspecialchars($save_row[$i]['Field']); ?>]">
 368         <?php
 369         echo "\n";
 370
 371         // PMA internal relations
 372         reset($selectboxall);
 373         if (isset($existrel[$myfield])) {
 374             $foreign_field    = $existrel[$myfield]['foreign_db'] . '.'
 375                      . $existrel[$myfield]['foreign_table'] . '.'
 376                      . $existrel[$myfield]['foreign_field'];
 377         } else {
 378             $foreign_field    = FALSE;
 379         }
 380         $seen_key = FALSE;
 381         while (list($key, $value) = each($selectboxall)) {
 382             echo '                '
 383                  . '<option value="' . htmlspecialchars($key) . '"';
 384             if ($foreign_field && $key == $foreign_field) {
 385                 echo ' selected="selected"';
 386                 $seen_key = TRUE;
 387             }
 388             echo '>' . $value . '</option>'. "\n";
 389         } // end while
 390
 391         // if the link defined in relationtable points to a foreign field
 392         // that is not a key in the foreign table, we show the link
 393         // (will not be shown with an arrow)
 394         if ($foreign_field && !$seen_key) {
 395             echo '                '
 396                  . '<option value="' . htmlspecialchars($foreign_field) . '"';
 397             echo ' selected="selected"';
 398             echo '>' . $foreign_field . '</option>'. "\n";
 399         }
 400         ?>
 401             </select>
 402         </td>
 403         <?php
 404         if ($tbl_type=='INNODB') {
 405         ?>
 406         <td>
 407             <select name="destination_innodb[<?php echo htmlspecialchars($save_row[$i]['Field']); ?>]">
 408         <?php
 409             reset($selectboxall_innodb);
 410             if (isset($existrel_innodb[$myfield])) {
 411                 $foreign_field    = $existrel_innodb[$myfield]['foreign_db'] . '.'
 412                          . $existrel_innodb[$myfield]['foreign_table'] . '.'
 413                          . $existrel_innodb[$myfield]['foreign_field'];
 414             } else {
 415                 $foreign_field    = FALSE;
 416             }
 417             while (list($key, $value) = each($selectboxall_innodb)) {
 418                 echo '                '
 419                      . '<option value="' . htmlspecialchars($key) . '"';
 420                 if ($foreign_field && $key == $foreign_field) {
 421                     echo ' selected="selected"';
 422                 }
 423                 echo '>' . $value . '</option>'. "\n";
 424             } // end while
 425
 426         ?>
 427                 </select>
 428         </td>
 429         <td>
 430         <?php
 431               PMA_generate_dropdown('ON DELETE',
 432                   htmlspecialchars($save_row[$i]['Field']) . '_on_delete',
 433                   $options_array,
 434                   (isset($existrel_innodb[$myfield]['on_delete']) ? $existrel_innodb[$myfield]['on_delete']: '') );
 435
 436               echo '&nbsp;&nbsp;&nbsp;';
 437
 438               PMA_generate_dropdown('ON UPDATE',
 439                   htmlspecialchars($save_row[$i]['Field']) . '_on_update',
 440                   $options_array,
 441                   (isset($existrel_innodb[$myfield]['on_update']) ? $existrel_innodb[$myfield]['on_update']: '') );
 442
 443         }
 444         ?>
 445         </td>
 446     </tr>
 447         <?php
 448     } // end for
 449
 450     echo "\n";
 451     ?>
 452     <tr>
 453         <td colspan="2" align="center">
 454             <input type="submit" value="<?php echo '  ' . $strGo . '  '; ?>" />
 455         </td>
 456     </tr>
 457     </table>
 458     <?php
 459         if ($tbl_type=='INNODB') {
 460             echo $strInternalNotNecessary . '<br />';
 461                 if (PMA_MYSQL_INT_VERSION < 40013) {
 462                     echo '** ' . sprintf($strUpgradeMySQL, '4.0.13') . '<br />';
 463                 }
 464         }
 465     ?>
 466 </form>
 467
 468     <?php
 469     if ($cfgRelation['displaywork']) {
 470         // Get "display_field" infos
 471         $disp = PMA_getDisplayField($db, $table);
 472
 473         echo "\n";
 474         ?>
 475 <form method="post" action="tbl_relation.php3">
 476     <?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
 477     <input type="hidden" name="submit_show" value="true" />
 478
 479     <p><?php echo $strChangeDisplay . ': '; ?>
 480     <select name="display_field" onchange="this.form.submit();">
 481         <option value="">---</option>
 482         <?php
 483         echo "\n";
 484         mysql_data_seek($col_rs, 0);
 485         while ($row = @PMA_mysql_fetch_array($col_rs)) {
 486             echo '        <option value="' . htmlspecialchars($row['Field']) . '"';
 487             if (isset($disp) && $row['Field'] == $disp) {
 488                 echo ' selected="selected"';
 489             }
 490             echo '>' . htmlspecialchars($row['Field']) . '</option>'. "\n";
 491         } // end while
 492         ?>
 493     </select>
 494     <script type="text/javascript" language="javascript">
 495     <!--
 496     // Fake js to allow the use of the <noscript> tag
 497     //-->
 498     </script>
 499     <noscript>
 500         <input type="submit" value="<?php echo $strGo; ?>" />
 501     </noscript>
 502 </form>
 503 </p>
 504         <?php
 505     } // end if (displayworks)
 506
 507     if ($cfgRelation['commwork']) {
 508
 509         echo "\n";
 510         ?>
 511 <form method="post" action="tbl_relation.php3">
 512     <?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
 513     <input type="hidden" name="submit_comm" value="true" />
 514
 515     <table>
 516     <tr>
 517         <th colspan="2" align="center"><b><?php echo $strComments; ?></b></th>
 518     </tr>
 519         <?php
 520         for ($i = 0; $i < $saved_row_cnt; $i++) {
 521             $field = $save_row[$i]['Field'];
 522             echo "\n";
 523             ?>
 524     <tr>
 525         <th><?php echo $field; ?></th>
 526         <td>
 527             <input type="text" name="comment[<?php echo $field; ?>]" value="<?php echo (isset($comments[$field]) ?  htmlspecialchars($comments[$field]) : ''); ?>" />
 528         </td>
 529     </tr>
 530             <?php
 531         } // end for
 532
 533         echo "\n";
 534         ?>
 535     <tr>
 536         <td colspan="2" align="center">
 537             <input type="submit" value="<?php echo $strGo; ?>" />
 538         </td>
 539     </tr>
 540     </table>
 541 </form>
 542         <?php
 543     } //    end if (comments work)
 544 } // end if (we have columns in this table)
 545
 546
 547 /**
 548  * Displays the footer
 549  */
 550 echo "\n";
 551 require('./footer.inc.php3');
 552 ?>