admin/replace.php

   1 <?php
   2       /// Search and replace strings throughout all texts in the whole database
   3
   4 define('NO_OUTPUT_BUFFERING', true);
   5
   6 require_once('../config.php');
   7 require_once($CFG->dirroot.'/course/lib.php');
   8 require_once($CFG->libdir.'/adminlib.php');
   9
  10 admin_externalpage_setup('replace');
  11
  12 $search  = optional_param('search', '', PARAM_RAW);
  13 $replace = optional_param('replace', '', PARAM_RAW);
  14 $sure    = optional_param('sure', 0, PARAM_BOOL);
  15
  16 ###################################################################
  17 echo $OUTPUT->header();
  18
  19 echo $OUTPUT->heading('Search and replace text throughout the whole database');
  20
  21 if ($DB->get_dbfamily() !== 'mysql' and $DB->get_dbfamily() !== 'postgres') {
  22     //TODO: add $DB->text_replace() to DML drivers
  23     echo $OUTPUT->notification('Sorry, this feature is implemented only for MySQL and PostgreSQL databases.');
  24     echo $OUTPUT->footer();
  25     die;
  26 }
  27
  28 if (!data_submitted() or !$search or !$replace or !confirm_sesskey() or !$sure) {   /// Print a form
  29     echo $OUTPUT->notification('This script is not supported, always make complete backup before proceeding!<br />This operation can not be reverted!');
  30
  31     echo $OUTPUT->box_start();
  32     echo '<div class="mdl-align">';
  33     echo '<form action="replace.php" method="post"><div>';
  34     echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
  35     echo '<div><label for="search">Search whole database for: </label><input id="search" type="text" name="search" size="40" /> (usually previous server URL)</div>';
  36     echo '<div><label for="replace">Replace with this string: </label><input type="text" id="replace" name="replace" size="40" /> (usually new server URL)</div>';
  37     echo '<div><label for="sure">I understand the risks of this operation: </label><input type="checkbox" id="sure" name="sure" value="1" /></div>';
  38     echo '<div class="buttons"><input type="submit" class="singlebutton" value="Yes, do it now" /></div>';
  39     echo '</div></form>';
  40     echo '</div>';
  41     echo $OUTPUT->box_end();
  42     echo $OUTPUT->footer();
  43     die;
  44 }
  45
  46 echo $OUTPUT->box_start();
  47 db_replace($search, $replace);
  48 echo $OUTPUT->box_end();
  49
  50 /// Rebuild course cache which might be incorrect now
  51 echo $OUTPUT->notification('Rebuilding course cache...', 'notifysuccess');
  52 rebuild_course_cache();
  53 echo $OUTPUT->notification('...finished', 'notifysuccess');
  54
  55 echo $OUTPUT->continue_button('index.php');
  56
  57 echo $OUTPUT->footer();
  58
  59