Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Perform a regular expression match
<?php preg_match( string $pattern, string $subject, array &$matches = null, int $flags = 0, int $offset = 0): int|false<?php public function __construct($fd, LoopInterface $loop = null)
{
if (\preg_match('#^php://fd/(\d+)$#', $fd, $m)) {
$fd = (int) $m[1];
}
if (!\is_int($fd) || $fd < 0 || $fd >= \PHP_INT_MAX) {<?php $error = \error_get_last();
\preg_match('/\[(\d+)\]: (.*)/', $error['message'], $m);
$errno = isset($m[1]) ? (int) $m[1] : 0;
$errstr = isset($m[2]) ? $m[2] : $error['message'];<?php } elseif ($scheme === 'php') {
$server = new FdServer($uri, $loop);
} else {
if (preg_match('#^(?:\w+://)?\d+$#', $uri)) {
throw new \InvalidArgumentException(
'Invalid URI given (EINVAL)',
\defined('SOCKET_EINVAL') ? \SOCKET_EINVAL : 22<?php $error = \error_get_last();
\preg_match('/errno=(\d+) (.+)/', $error['message'], $m);
$errno = isset($m[1]) ? (int) $m[1] : 0;
$errstr = isset($m[2]) ? $m[2] : $error['message'];
} else {<?php if ($errno === 0 && $errstr === '') {
$error = \error_get_last();
if (\preg_match('/\(([^\)]+)\)|\[(\d+)\]: (.*)/', $error['message'], $match)) {
$errstr = isset($match[3]) ? $match['3'] : $match[1];
$errno = isset($match[2]) ? (int)$match[2] : 0;
}<?php $memory = ini_get('memory_limit');
if ($memory === '-1') {
$memory = PHP_INT_MAX;
} elseif (preg_match('/^\d+G$/i', $memory)) {
$memory = ((int) $memory) * 1024 * 1024 * 1024;
} elseif (preg_match('/^\d+M$/i', $memory)) {
$memory = ((int) $memory) * 1024 * 1024;<?php $memory = PHP_INT_MAX;
} elseif (preg_match('/^\d+G$/i', $memory)) {
$memory = ((int) $memory) * 1024 * 1024 * 1024;
} elseif (preg_match('/^\d+M$/i', $memory)) {
$memory = ((int) $memory) * 1024 * 1024;
} elseif (preg_match('/^\d+K$/i', $memory)) {
$memory = ((int) $memory) * 1024;<?php $memory = ((int) $memory) * 1024 * 1024 * 1024;
} elseif (preg_match('/^\d+M$/i', $memory)) {
$memory = ((int) $memory) * 1024 * 1024;
} elseif (preg_match('/^\d+K$/i', $memory)) {
$memory = ((int) $memory) * 1024;
}<?php phpinfo(INFO_MODULES);
$info = ob_get_clean();
if (preg_match('/OpenSSL Library Version => OpenSSL ([\d\.]+)/', $info, $match)) {
return version_compare($match[1], '1.1.1', '>=');
}
return false;