wpfunnels / vendor / symfony / polyfill-php72 / Php72.php

Php72.php in WPFunnels – Funnel Builder for WooCommerce with Checkout & One Click Upsell 2.8.16, at vendor/symfony/polyfill-php72/Php72.php

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1	<?php
2
3	/*
4	* This file is part of the Symfony package.
5	*
6	* (c) Fabien Potencier <[email protected]>
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\Php72;
13
14	/**
15	* @author Nicolas Grekas <[email protected]>
16	* @author Dariusz Rumiński <[email protected]>
17	*
18	* @internal
19	*/
20	final class Php72
21	{
22	private static $hashMask;
23
24	public static function utf8_encode($s)
25	{
26	$s .= $s;
27	$len = \strlen($s);
28
29	for ($i = $len >> 1, $j = 0; $i < $len; ++$i, ++$j) {
30	switch (true) {
31	case $s[$i] < "\x80": $s[$j] = $s[$i]; break;
32	case $s[$i] < "\xC0": $s[$j] = "\xC2"; $s[++$j] = $s[$i]; break;
33	default: $s[$j] = "\xC3"; $s[++$j] = \chr(\ord($s[$i]) - 64); break;
34	}
35	}
36
37	return substr($s, 0, $j);
38	}
39
40	public static function utf8_decode($s)
41	{
42	$s = (string) $s;
43	$len = \strlen($s);
44
45	for ($i = 0, $j = 0; $i < $len; ++$i, ++$j) {
46	switch ($s[$i] & "\xF0") {
47	case "\xC0":
48	case "\xD0":
49	$c = (\ord($s[$i] & "\x1F") << 6) \| \ord($s[++$i] & "\x3F");
50	$s[$j] = $c < 256 ? \chr($c) : '?';
51	break;
52
53	case "\xF0":
54	++$i;
55	// no break
56
57	case "\xE0":
58	$s[$j] = '?';
59	$i += 2;
60	break;
61
62	default:
63	$s[$j] = $s[$i];
64	}
65	}
66
67	return substr($s, 0, $j);
68	}
69
70	public static function php_os_family()
71	{
72	if ('\\' === \DIRECTORY_SEPARATOR) {
73	return 'Windows';
74	}
75
76	$map = [
77	'Darwin' => 'Darwin',
78	'DragonFly' => 'BSD',
79	'FreeBSD' => 'BSD',
80	'NetBSD' => 'BSD',
81	'OpenBSD' => 'BSD',
82	'Linux' => 'Linux',
83	'SunOS' => 'Solaris',
84	];
85
86	return $map[\PHP_OS] ?? 'Unknown';
87	}
88
89	public static function spl_object_id($object)
90	{
91	if (null === self::$hashMask) {
92	self::initHashMask();
93	}
94	if (null === $hash = spl_object_hash($object)) {
95	return;
96	}
97
98	// On 32-bit systems, PHP_INT_SIZE is 4,
99	return self::$hashMask ^ hexdec(substr($hash, 16 - (\PHP_INT_SIZE * 2 - 1), \PHP_INT_SIZE * 2 - 1));
100	}
101
102	public static function sapi_windows_vt100_support($stream, $enable = null)
103	{
104	if (!\is_resource($stream)) {
105	trigger_error('sapi_windows_vt100_support() expects parameter 1 to be resource, '.\gettype($stream).' given', \E_USER_WARNING);
106
107	return false;
108	}
109
110	$meta = stream_get_meta_data($stream);
111
112	if ('STDIO' !== $meta['stream_type']) {
113	trigger_error('sapi_windows_vt100_support() was not able to analyze the specified stream', \E_USER_WARNING);
114
115	return false;
116	}
117
118	// We cannot actually disable vt100 support if it is set
119	if (false === $enable \|\| !self::stream_isatty($stream)) {
120	return false;
121	}
122
123	// The native function does not apply to stdin
124	$meta = array_map('strtolower', $meta);
125	$stdin = 'php://stdin' === $meta['uri'] \|\| 'php://fd/0' === $meta['uri'];
126
127	return !$stdin
128	&& (false !== getenv('ANSICON')
129	\|\| 'ON' === getenv('ConEmuANSI')
130	\|\| 'xterm' === getenv('TERM')
131	\|\| 'Hyper' === getenv('TERM_PROGRAM'));
132	}
133
134	public static function stream_isatty($stream)
135	{
136	if (!\is_resource($stream)) {
137	trigger_error('stream_isatty() expects parameter 1 to be resource, '.\gettype($stream).' given', \E_USER_WARNING);
138
139	return false;
140	}
141
142	if ('\\' === \DIRECTORY_SEPARATOR) {
143	$stat = @fstat($stream);
144	// Check if formatted mode is S_IFCHR
145	return $stat ? 0020000 === ($stat['mode'] & 0170000) : false;
146	}
147
148	return \function_exists('posix_isatty') && @posix_isatty($stream);
149	}
150
151	private static function initHashMask()
152	{
153	$obj = (object) [];
154	self::$hashMask = -1;
155
156	// check if we are nested in an output buffering handler to prevent a fatal error with ob_start() below
157	$obFuncs = ['ob_clean', 'ob_end_clean', 'ob_flush', 'ob_end_flush', 'ob_get_contents', 'ob_get_flush'];
158	foreach (debug_backtrace(\PHP_VERSION_ID >= 50400 ? \DEBUG_BACKTRACE_IGNORE_ARGS : false) as $frame) {
159	if (isset($frame['function'][0]) && !isset($frame['class']) && 'o' === $frame['function'][0] && \in_array($frame['function'], $obFuncs)) {
160	$frame['line'] = 0;
161	break;
162	}
163	}
164	if (!empty($frame['line'])) {
165	ob_start();
166	debug_zval_dump($obj);
167	self::$hashMask = (int) substr(ob_get_clean(), 17);
168	}
169
170	self::$hashMask ^= hexdec(substr(spl_object_hash($obj), 16 - (\PHP_INT_SIZE * 2 - 1), \PHP_INT_SIZE * 2 - 1));
171	}
172
173	public static function mb_chr($code, $encoding = null)
174	{
175	if (0x80 > $code %= 0x200000) {
176	$s = \chr($code);
177	} elseif (0x800 > $code) {
178	$s = \chr(0xC0 \| $code >> 6).\chr(0x80 \| $code & 0x3F);
179	} elseif (0x10000 > $code) {
180	$s = \chr(0xE0 \| $code >> 12).\chr(0x80 \| $code >> 6 & 0x3F).\chr(0x80 \| $code & 0x3F);
181	} else {
182	$s = \chr(0xF0 \| $code >> 18).\chr(0x80 \| $code >> 12 & 0x3F).\chr(0x80 \| $code >> 6 & 0x3F).\chr(0x80 \| $code & 0x3F);
183	}
184
185	if ('UTF-8' !== $encoding = $encoding ?? mb_internal_encoding()) {
186	$s = mb_convert_encoding($s, $encoding, 'UTF-8');
187	}
188
189	return $s;
190	}
191
192	public static function mb_ord($s, $encoding = null)
193	{
194	if (null === $encoding) {
195	$s = mb_convert_encoding($s, 'UTF-8');
196	} elseif ('UTF-8' !== $encoding) {
197	$s = mb_convert_encoding($s, 'UTF-8', $encoding);
198	}
199
200	if (1 === \strlen($s)) {
201	return \ord($s);
202	}
203
204	$code = ($s = unpack('C*', substr($s, 0, 4))) ? $s[1] : 0;
205	if (0xF0 <= $code) {
206	return (($code - 0xF0) << 18) + (($s[2] - 0x80) << 12) + (($s[3] - 0x80) << 6) + $s[4] - 0x80;
207	}
208	if (0xE0 <= $code) {
209	return (($code - 0xE0) << 12) + (($s[2] - 0x80) << 6) + $s[3] - 0x80;
210	}
211	if (0xC0 <= $code) {
212	return (($code - 0xC0) << 6) + $s[2] - 0x80;
213	}
214
215	return $code;
216	}
217	}
218