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45 lines
1.5 KiB
PHP
45 lines
1.5 KiB
PHP
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<?PHP
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function wiki_upgrade($oldversion) {
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/// This function does anything necessary to upgrade
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/// older versions to match current functionality
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global $CFG;
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if ($oldversion < 2004040200) {
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execute_sql('ALTER TABLE `'.$CFG->prefix.'wiki` DROP `allowstudentstowiki`');
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}
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if ($oldversion < 2004040700) {
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execute_sql('ALTER TABLE `'.$CFG->prefix.'wiki` CHANGE `ewikiallowsafehtml` `htmlmode` TINYINT( 4 ) DEFAULT \'0\' NOT NULL');
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}
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if ($oldversion < 2004042100) {
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execute_sql('ALTER TABLE `'.$CFG->prefix.'wiki` ADD `pagename` VARCHAR( 255 ) AFTER `summary`');
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execute_sql('ALTER TABLE `'.$CFG->prefix.'wiki_entries` CHANGE `name` `pagename` VARCHAR( 255 ) NOT NULL');
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if ($wikis = get_records('wiki')) {
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foreach ($wikis as $wiki) {
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if (empty($wiki->pagename)) {
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set_field('wiki', 'pagename', $wiki->name, 'id', $wiki->id);
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}
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}
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}
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}
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if ($oldversion < 2004053100) {
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execute_sql('ALTER TABLE `'.$CFG->prefix.'wiki` CHANGE `initialcontent` `initialcontent` VARCHAR( 255 ) DEFAULT NULL');
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// Remove obsolete 'initialcontent' values.
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if ($wikis = get_records('wiki')) {
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foreach ($wikis as $wiki) {
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if (!empty($wiki->initialcontent)) {
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set_field('wiki', 'initialcontent', null, 'id', $wiki->id);
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}
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}
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}
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}
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return true;
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}
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?>
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