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<?php |
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/* |
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* This file is part of the ManageWP Worker plugin. |
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* |
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* (c) ManageWP LLC <contact@managewp.com> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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|
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class MWP_Action_ClearTransient extends MWP_Action_Abstract |
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{ |
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public function execute(array $params = array()) |
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{ |
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$total = array( |
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'deletedTransients' => 0, |
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'deletedTransientTimeouts' => 0, |
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); |
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|
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if (is_array($params['transient'])) { |
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foreach ($params['transient'] as $transient) { |
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$cleared = $this->clearTransients($params['prefix'], $transient['name'], $transient['suffix'], $transient['timeout'], $transient['mask'], $transient['limit']); |
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$total['deletedTransients'] += $cleared['deletedTransients']; |
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$total['deletedTransientTimeouts'] += $cleared['deletedTransientTimeouts']; |
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} |
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} |
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|
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return $total; |
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} |
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|
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private function clearTransients($prefix, $transientType, $suffix, $timeout, $mask, $limit) |
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{ |
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$wpdb = $this->container->getWordPressContext()->getDb(); |
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|
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$timeoutName = $transientType.$suffix; |
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$subStrLength = strlen($timeoutName) + 1; |
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|
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$escapedTimeoutName = str_replace('_', '\_', $timeoutName); |
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|
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$selectTimeOutedTransients = <<<SQL |
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SELECT SUBSTR(option_name, {$subStrLength}) AS transient_name FROM {$prefix}options WHERE option_name LIKE '{$escapedTimeoutName}{$mask}' AND option_value < {$timeout} LIMIT {$limit} |
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SQL; |
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|
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$transientsToDelete = $wpdb->get_col($selectTimeOutedTransients); |
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$timeoutsToDelete = array(); |
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|
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if (count($transientsToDelete) === 0) { |
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return array( |
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'deletedTransients' => 0, |
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'deletedTransientTimeouts' => 0, |
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); |
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} |
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|
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foreach ($transientsToDelete as &$transient) { |
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$timeoutsToDelete[] = "'".$timeoutName.$transient."'"; |
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$transient = "'".$transientType.$transient."'"; |
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} |
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|
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$deleteQuery = implode(',', $transientsToDelete); |
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|
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$deleteTransients = <<<SQL |
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DELETE FROM {$prefix}options WHERE option_name IN ({$deleteQuery}) |
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SQL; |
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|
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$deletedTransients = $wpdb->query($deleteTransients); |
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|
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$deleteQuery = implode(',', $timeoutsToDelete); |
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|
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$deleteTransients = <<<SQL |
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DELETE FROM {$prefix}options WHERE option_name IN ({$deleteQuery}) |
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SQL; |
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|
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$deletedTransientTimeouts = $wpdb->query($deleteTransients); |
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|
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return array( |
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'deletedTransients' => $deletedTransients, |
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'deletedTransientTimeouts' => $deletedTransientTimeouts, |
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); |
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} |
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} |
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|
