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<?php
namespace Icinga\Module\Director\Application;
class MemoryLimit
{
public static function raiseTo($string)
{
$current = static::getBytes();
$desired = static::parsePhpIniByteString($string);
if ($current !== -1 && $current < $desired) {
ini_set('memory_limit', $string);
}
}
public static function getBytes()
{
return static::parsePhpIniByteString((string) ini_get('memory_limit'));
}
/**
* Return Bytes from PHP shorthand bytes notation
*
* http://www.php.net/manual/en/faq.using.php#faq.using.shorthandbytes
*
* > The available options are K (for Kilobytes), M (for Megabytes) and G
* > (for Gigabytes), and are all case-insensitive. Anything else assumes
* > bytes.
*
* @param $string
* @return int
*/
public static function parsePhpIniByteString($string)
{
$val = trim($string);
if (preg_match('/^(\d+)([KMG])$/', $val, $m)) {
$val = $m[1];
switch ($m[2]) {
case 'G':
$val *= 1024;
// Intentional fall-through
case 'M':
$val *= 1024;
// Intentional fall-through
case 'K':
$val *= 1024;
}
}
return intval($val);
}
}
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