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<?php |
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declare(strict_types=1); |
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/** |
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* @copyright Copyright (c) 2018, Michael Weimann (<[email protected]>) |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OC; |
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/** |
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* Helper class that covers memory info. |
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*/ |
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class MemoryInfo { |
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const RECOMMENDED_MEMORY_LIMIT = 512 * 1024 * 1024; |
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/** |
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* Tests if the memory limit is greater or equal the recommended value. |
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* |
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* @return bool |
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*/ |
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public function isMemoryLimitSufficient(): bool { |
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$memoryLimit = $this->getMemoryLimit(); |
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return $memoryLimit === -1 || $memoryLimit >= self::RECOMMENDED_MEMORY_LIMIT; |
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} |
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/** |
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* Returns the php memory limit. |
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* |
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* @return int The memory limit in bytes. |
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*/ |
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public function getMemoryLimit(): int { |
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$iniValue = trim(ini_get('memory_limit')); |
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if ($iniValue === '-1') { |
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return -1; |
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} else if (is_numeric($iniValue) === true) { |
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return (int)$iniValue; |
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} else { |
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return $this->memoryLimitToBytes($iniValue); |
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} |
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} |
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/** |
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* Converts the ini memory limit to bytes. |
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* |
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* @param string $memoryLimit The "memory_limit" ini value |
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* @return int |
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*/ |
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private function memoryLimitToBytes(string $memoryLimit): int { |
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$last = strtolower(substr($memoryLimit, -1)); |
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$memoryLimit = (int)substr($memoryLimit, 0, -1); |
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// intended fall trough |
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switch($last) { |
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case 'g': |
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$memoryLimit *= 1024; |
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case 'm': |
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$memoryLimit *= 1024; |
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case 'k': |
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$memoryLimit *= 1024; |
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} |
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return $memoryLimit; |
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} |
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} |
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nextcloud /
server
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