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Php80.php

116 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	/**
15	* @author Ion Bazan <ion.bazan@gmail.com>
16	* @author Nico Oelgart <nicoswd@gmail.com>
17	* @author Nicolas Grekas <p@tchwork.com>
18	*
19	* @internal
20	*/
21	final class Php80
22	{
23	public static function fdiv(float $dividend, float $divisor): float
24	{
25	return @($dividend / $divisor);
26	}
27
28	public static function get_debug_type($value): string
29	{
30	switch (true) {
31	case null === $value: return 'null';
32	case \is_bool($value): return 'bool';
33	case \is_string($value): return 'string';
34	case \is_array($value): return 'array';
35	case \is_int($value): return 'int';
36	case \is_float($value): return 'float';
37	case \is_object($value): break;
38	case $value instanceof \__PHP_Incomplete_Class: return '__PHP_Incomplete_Class';
39	default:
40	if (null === $type = @get_resource_type($value)) {
41	return 'unknown';
42	}
43
44	if ('Unknown' === $type) {
45	$type = 'closed';
46	}
47
48	return "resource ($type)";
49	}
50
51	$class = \get_class($value);
52
53	if (false === strpos($class, '@')) {
54	return $class;
55	}
56
57	return (get_parent_class($class) ?: key(class_implements($class)) ?: 'class').'@anonymous';
58	}
59
60	public static function get_resource_id($res): int
61	{
62	if (!\is_resource($res) && null === @get_resource_type($res)) {
63	throw new \TypeError(sprintf('Argument 1 passed to get_resource_id() must be of the type resource, %s given', get_debug_type($res)));
64	}
65
66	return (int) $res;
67	}
68
69	public static function preg_last_error_msg(): string
70	{
71	switch (preg_last_error()) {
72	case \PREG_INTERNAL_ERROR:
73	return 'Internal error';
74	case \PREG_BAD_UTF8_ERROR:
75	return 'Malformed UTF-8 characters, possibly incorrectly encoded';
76	case \PREG_BAD_UTF8_OFFSET_ERROR:
77	return 'The offset did not correspond to the beginning of a valid UTF-8 code point';
78	case \PREG_BACKTRACK_LIMIT_ERROR:
79	return 'Backtrack limit exhausted';
80	case \PREG_RECURSION_LIMIT_ERROR:
81	return 'Recursion limit exhausted';
82	case \PREG_JIT_STACKLIMIT_ERROR:
83	return 'JIT stack limit exhausted';
84	case \PREG_NO_ERROR:
85	return 'No error';
86	default:
87	return 'Unknown error';
88	}
89	}
90
91	public static function str_contains(string $haystack, string $needle): bool
92	{
93	return '' === $needle \|\| false !== strpos($haystack, $needle);
94	}
95
96	public static function str_starts_with(string $haystack, string $needle): bool
97	{
98	return 0 === strncmp($haystack, $needle, \strlen($needle));
99	}
100
101	public static function str_ends_with(string $haystack, string $needle): bool
102	{
103	if ('' === $needle \|\| $needle === $haystack) {
104	return true;
105	}
106
107	if ('' === $haystack) {
108	return false;
109	}
110
111	$needleLength = \strlen($needle);
112
113	return $needleLength <= \strlen($haystack) && 0 === substr_compare($haystack, $needle, -$needleLength);
114	}
115	}
116