booking / includes / _functions / class-wpbc-action-scheduler-compatibility.php

class-wpbc-action-scheduler-compatibility.php in Booking Calendar 11.1, at includes/_functions/class-wpbc-action-scheduler-compatibility.php

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1	<?php
2	/**
3	* Class to Increase Memory and Time
4	*
5	* @package Support functions.
6	*/
7
8	/**
9	* Class WPBC_Action_Scheduler_Compatibility
10	*/
11	class WPBC_Action_Scheduler_Compatibility {
12
13	/**
14	* Converts a shorthand byte value to an integer byte value.
15	*
16	* Wrapper for wp_convert_hr_to_bytes(), moved to load.php in WordPress 4.6 from media.php
17	*
18	* @link https://secure.php.net/manual/en/function.ini-get.php
19	* @link https://secure.php.net/manual/en/faq.using.php#faq.using.shorthandbytes
20	*
21	* @param string $value A (PHP ini) byte value, either shorthand or ordinary.
22	* @return int An integer byte value.
23	*/
24	public static function convert_hr_to_bytes( $value ) {
25	if ( function_exists( 'wp_convert_hr_to_bytes' ) ) {
26	return wp_convert_hr_to_bytes( $value );
27	}
28
29	$value = strtolower( trim( $value ) );
30	$bytes = (int) $value;
31
32	if ( false !== strpos( $value, 'g' ) ) {
33	$bytes *= GB_IN_BYTES;
34	} elseif ( false !== strpos( $value, 'm' ) ) {
35	$bytes *= MB_IN_BYTES;
36	} elseif ( false !== strpos( $value, 'k' ) ) {
37	$bytes *= KB_IN_BYTES;
38	}
39
40	// Deal with large (float) values which run into the maximum integer size.
41	return min( $bytes, PHP_INT_MAX );
42	}
43
44	/**
45	* Attempts to raise the PHP memory limit for memory intensive processes.
46	*
47	* Only allows raising the existing limit and prevents lowering it.
48	*
49	* Wrapper for wp_raise_memory_limit(), added in WordPress v4.6.0
50	*
51	* @return bool\|int\|string The limit that was set or false on failure.
52	*/
53	public static function raise_memory_limit() {
54	if ( function_exists( 'wp_raise_memory_limit' ) ) {
55	return wp_raise_memory_limit( 'admin' );
56	}
57
58	$current_limit = @ini_get( 'memory_limit' ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
59	$current_limit_int = self::convert_hr_to_bytes( $current_limit );
60
61	if ( -1 === $current_limit_int ) {
62	return false;
63	}
64
65	$wp_max_limit = WP_MAX_MEMORY_LIMIT;
66	$wp_max_limit_int = self::convert_hr_to_bytes( $wp_max_limit );
67	$filtered_limit = apply_filters( 'admin_memory_limit', $wp_max_limit ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
68	$filtered_limit_int = self::convert_hr_to_bytes( $filtered_limit );
69
70	if ( -1 === $filtered_limit_int \|\| ( $filtered_limit_int > $wp_max_limit_int && $filtered_limit_int > $current_limit_int ) ) {
71	if ( false !== @ini_set( 'memory_limit', $filtered_limit ) ) { // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged, Squiz.PHP.DiscouragedFunctions.Discouraged
72	return $filtered_limit;
73	} else {
74	return false;
75	}
76	} elseif ( -1 === $wp_max_limit_int \|\| $wp_max_limit_int > $current_limit_int ) {
77	if ( false !== @ini_set( 'memory_limit', $wp_max_limit ) ) { // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged, Squiz.PHP.DiscouragedFunctions.Discouraged
78	return $wp_max_limit;
79	} else {
80	return false;
81	}
82	}
83	return false;
84	}
85
86	/**
87	* Attempts to raise the PHP timeout for time intensive processes.
88	*
89	* Only allows raising the existing limit and prevents lowering it. Wrapper for wc_set_time_limit(), when available.
90	*
91	* @param int $limit The time limit in seconds.
92	*/
93	public static function raise_time_limit( $limit = 0 ) {
94	$limit = (int) $limit;
95	$max_execution_time = (int) ini_get( 'max_execution_time' );
96
97	/*
98	* If the max execution time is already unlimited (zero), or if it exceeds or is equal to the proposed
99	* limit, there is no reason for us to make further changes (we never want to lower it).
100	*/
101	if (
102	0 === $max_execution_time
103	\|\| ( $max_execution_time >= $limit && 0 !== $limit )
104	) {
105	return;
106	}
107
108	if ( function_exists( 'wc_set_time_limit' ) ) {
109	wc_set_time_limit( $limit );
110	} elseif ( function_exists( 'set_time_limit' ) && false === strpos( ini_get( 'disable_functions' ), 'set_time_limit' ) && ! ini_get( 'safe_mode' ) ) { // phpcs:ignore PHPCompatibility.IniDirectives.RemovedIniDirectives.safe_modeDeprecatedRemoved
111	@set_time_limit( $limit ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged, Squiz.PHP.DiscouragedFunctions.Discouraged
112	}
113	}
114	}
115