Code Coverage for /Users/ericduran/Sites/drupal/drupal/core/lib/Drupal/Component/Utility/Environment.php

1	<?php
2
3	/**
4	* @file
5	* Contains \Drupal\Component\Utility\Environment.
6	*/
7
8	namespace Drupal\Component\Utility;
9
10	/**
11	* Provides PHP environment helper methods.
12	*/
13	class Environment {
14
15	/**
16	* Compares the memory required for an operation to the available memory.
17	*
18	* @param string $required
19	* The memory required for the operation, expressed as a number of bytes with
20	* optional SI or IEC binary unit prefix (e.g. 2, 3K, 5MB, 10G, 6GiB, 8bytes,
21	* 9mbytes).
22	* @param $memory_limit
23	* (optional) The memory limit for the operation, expressed as a number of
24	* bytes with optional SI or IEC binary unit prefix (e.g. 2, 3K, 5MB, 10G,
25	* 6GiB, 8bytes, 9mbytes). If no value is passed, the current PHP
26	* memory_limit will be used. Defaults to NULL.
27	*
28	* @return bool
29	* TRUE if there is sufficient memory to allow the operation, or FALSE
30	* otherwise.
31	*/
32	public static function checkMemoryLimit($required, $memory_limit = NULL) {
33	if (!isset($memory_limit)) {
34	$memory_limit = ini_get('memory_limit');
35	}
36
37	// There is sufficient memory if:
38	// - No memory limit is set.
39	// - The memory limit is set to unlimited (-1).
40	// - The memory limit is greater than or equal to the memory required for
41	// the operation.
42	return ((!$memory_limit) \|\| ($memory_limit == -1) \|\| (Bytes::toInt($memory_limit) >= Bytes::toInt($required)));
43	}
44
45	}