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Php80.php

138 lines

1	<?php
2
3	/*
4	* This file is part of the Symfony package.
5	*
6	* (c) Fabien Potencier <fabien@symfony.com>
7	*
8	* For the full copyright and license information, please view the LICENSE
9	* file that was distributed with this source code.
10	*/
11
12	namespace Symfony\Polyfill\Php80;
13
14	use __PHP_Incomplete_Class;
15	use TypeError;
16
17	use function get_class;
18	use function is_array;
19	use function is_bool;
20	use function is_float;
21	use function is_int;
22	use function is_object;
23	use function is_resource;
24	use function is_string;
25	use function strlen;
26
27	use const PREG_BACKTRACK_LIMIT_ERROR;
28	use const PREG_BAD_UTF8_ERROR;
29	use const PREG_BAD_UTF8_OFFSET_ERROR;
30	use const PREG_INTERNAL_ERROR;
31	use const PREG_JIT_STACKLIMIT_ERROR;
32	use const PREG_NO_ERROR;
33	use const PREG_RECURSION_LIMIT_ERROR;
34
35	/**
36	* @author Ion Bazan <ion.bazan@gmail.com>
37	* @author Nico Oelgart <nicoswd@gmail.com>
38	* @author Nicolas Grekas <p@tchwork.com>
39	*
40	* @internal
41	*/
42	final class Php80 {
43	public static function fdiv( float $dividend, float $divisor ): float {
44	return @( $dividend / $divisor );
45	}
46
47	public static function get_debug_type( $value ): string {
48	switch ( true ) {
49	case null === $value:
50	return 'null';
51	case is_bool( $value ):
52	return 'bool';
53	case is_string( $value ):
54	return 'string';
55	case is_array( $value ):
56	return 'array';
57	case is_int( $value ):
58	return 'int';
59	case is_float( $value ):
60	return 'float';
61	case is_object( $value ):
62	break;
63	case $value instanceof __PHP_Incomplete_Class:
64	return '__PHP_Incomplete_Class';
65	default:
66	if ( null === $type = @get_resource_type( $value ) ) {
67	return 'unknown';
68	}
69
70	if ( 'Unknown' === $type ) {
71	$type = 'closed';
72	}
73
74	return "resource ($type)";
75	}
76
77	$class = get_class( $value );
78
79	if ( false === strpos( $class, '@' ) ) {
80	return $class;
81	}
82
83	return ( get_parent_class( $class ) ?: key( class_implements( $class ) ) ?: 'class' ) . '@anonymous';
84	}
85
86	public static function get_resource_id( $res ): int {
87	if ( ! is_resource( $res ) && null === @get_resource_type( $res ) ) {
88	throw new TypeError( sprintf( 'Argument 1 passed to get_resource_id() must be of the type resource, %s given',
89	get_debug_type( $res ) ) );
90	}
91
92	return (int) $res;
93	}
94
95	public static function preg_last_error_msg(): string {
96	switch ( preg_last_error() ) {
97	case PREG_INTERNAL_ERROR:
98	return 'Internal error';
99	case PREG_BAD_UTF8_ERROR:
100	return 'Malformed UTF-8 characters, possibly incorrectly encoded';
101	case PREG_BAD_UTF8_OFFSET_ERROR:
102	return 'The offset did not correspond to the beginning of a valid UTF-8 code point';
103	case PREG_BACKTRACK_LIMIT_ERROR:
104	return 'Backtrack limit exhausted';
105	case PREG_RECURSION_LIMIT_ERROR:
106	return 'Recursion limit exhausted';
107	case PREG_JIT_STACKLIMIT_ERROR:
108	return 'JIT stack limit exhausted';
109	case PREG_NO_ERROR:
110	return 'No error';
111	default:
112	return 'Unknown error';
113	}
114	}
115
116	public static function str_contains( string $haystack, string $needle ): bool {
117	return '' === $needle \|\| false !== strpos( $haystack, $needle );
118	}
119
120	public static function str_starts_with( string $haystack, string $needle ): bool {
121	return 0 === strncmp( $haystack, $needle, strlen( $needle ) );
122	}
123
124	public static function str_ends_with( string $haystack, string $needle ): bool {
125	if ( '' === $needle \|\| $needle === $haystack ) {
126	return true;
127	}
128
129	if ( '' === $haystack ) {
130	return false;
131	}
132
133	$needleLength = strlen( $needle );
134
135	return $needleLength <= strlen( $haystack ) && 0 === substr_compare( $haystack, $needle, - $needleLength );
136	}
137	}
138