86 lines
2.2 KiB
PHP
86 lines
2.2 KiB
PHP
<?php
|
|
|
|
declare(strict_types=1);
|
|
|
|
/**
|
|
* @copyright Copyright (c) 2018, Michael Weimann (<mail@michael-weimann.eu>)
|
|
*
|
|
* @author Michael Weimann <mail@michael-weimann.eu>
|
|
*
|
|
* @license GNU AGPL version 3 or any later version
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
namespace OC;
|
|
|
|
/**
|
|
* Helper class that covers memory info.
|
|
*/
|
|
class MemoryInfo {
|
|
public const RECOMMENDED_MEMORY_LIMIT = 512 * 1024 * 1024;
|
|
|
|
/**
|
|
* Tests if the memory limit is greater or equal the recommended value.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function isMemoryLimitSufficient(): bool {
|
|
$memoryLimit = $this->getMemoryLimit();
|
|
return $memoryLimit === -1 || $memoryLimit >= self::RECOMMENDED_MEMORY_LIMIT;
|
|
}
|
|
|
|
/**
|
|
* Returns the php memory limit.
|
|
*
|
|
* @return int The memory limit in bytes.
|
|
*/
|
|
public function getMemoryLimit(): int {
|
|
$iniValue = trim(ini_get('memory_limit'));
|
|
if ($iniValue === '-1') {
|
|
return -1;
|
|
} elseif (is_numeric($iniValue) === true) {
|
|
return (int)$iniValue;
|
|
} else {
|
|
return $this->memoryLimitToBytes($iniValue);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Converts the ini memory limit to bytes.
|
|
*
|
|
* @param string $memoryLimit The "memory_limit" ini value
|
|
* @return int
|
|
*/
|
|
private function memoryLimitToBytes(string $memoryLimit): int {
|
|
$last = strtolower(substr($memoryLimit, -1));
|
|
$memoryLimit = (int)substr($memoryLimit, 0, -1);
|
|
|
|
// intended fall trough
|
|
switch ($last) {
|
|
case 'g':
|
|
$memoryLimit *= 1024;
|
|
// no break
|
|
case 'm':
|
|
$memoryLimit *= 1024;
|
|
// no break
|
|
case 'k':
|
|
$memoryLimit *= 1024;
|
|
}
|
|
|
|
return $memoryLimit;
|
|
}
|
|
}
|