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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_System_Utils |
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{ |
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/** |
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* Converts value of 'memory_limit' php.ini directive to bytes. |
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* |
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* @param int|string $memoryLimit |
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* |
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* @return int Limit in bytes or -1 if it's unlimited. |
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*/ |
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public static function convertToBytes($memoryLimit) |
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{ |
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$memoryLimit = (string)$memoryLimit; |
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|
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if ('-1' === $memoryLimit) { |
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return -1; |
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} |
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|
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$memoryLimit = strtolower($memoryLimit); |
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$max = strtolower(ltrim($memoryLimit, '+')); |
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if (0 === strpos($max, '0x')) { |
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$max = intval($max, 16); |
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} elseif (0 === strpos($max, '0')) { |
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$max = intval($max, 8); |
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} else { |
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$max = intval($max); |
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} |
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|
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switch (substr($memoryLimit, -1)) { |
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/** @noinspection PhpMissingBreakStatementInspection */ |
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case 't': |
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$max *= 1024; |
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/** @noinspection PhpMissingBreakStatementInspection */ |
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case 'g': |
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$max *= 1024; |
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/** @noinspection PhpMissingBreakStatementInspection */ |
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case 'm': |
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$max *= 1024; |
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case 'k': |
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$max *= 1024; |
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} |
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|
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return $max; |
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} |
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|
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public static function getCurrentMemoryLimit() |
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{ |
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return MWP_System_Utils::convertToBytes(ini_get('memory_limit')); |
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} |
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|
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public static function getWPMemoryLimit() |
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{ |
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if (!defined('WP_MEMORY_LIMIT')) { |
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return '64M'; |
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} |
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|
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return WP_MEMORY_LIMIT; |
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} |
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|
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public static function getWPMaxMemoryLimit() |
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{ |
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if (!defined('WP_MAX_MEMORY_LIMIT')) { |
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return '256M'; |
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} |
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|
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return WP_MAX_MEMORY_LIMIT; |
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} |
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|
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public static function setMemoryLimit($tryLimit) |
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{ |
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$limitValue = self::convertToBytes($tryLimit); |
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$currentValue = self::getCurrentMemoryLimit(); |
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|
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if ($currentValue === -1 || $currentValue >= $limitValue) { |
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return; |
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} |
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|
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@ini_set('memory_limit', $tryLimit); |
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} |
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} |
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|
