Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Checks whether a constant with the given name exists
<?php defined(string $constant_name): bool<?php require __DIR__ . '/../vendor/autoload.php';
if (!defined('STDIN')) {
echo 'STDIO streams require CLI SAPI' . PHP_EOL;
exit(1);
}<?php if ($this->unix) {
if (\substr($address, -1) === ':' && \defined('HHVM_VERSION_ID') && \HHVM_VERSION_ID < 31900) {
$address = (string)\substr($address, 0, -1); // @codeCoverageIgnore
}<?php if (!isset($this->connectors[$scheme])) {
return \React\Promise\reject(new \RuntimeException(
'No connector available for URI scheme "' . $scheme . '" (EINVAL)',
\defined('SOCKET_EINVAL') ? \SOCKET_EINVAL : 22
));
}<?php if (!$parts || !isset($parts['host'])) {
return Promise\reject(new \InvalidArgumentException(
'Given URI "' . $original . '" is invalid (EINVAL)',
\defined('SOCKET_EINVAL') ? \SOCKET_EINVAL : 22
));
}<?php if ($resolved === null) {
$reject(new \RuntimeException(
'Connection to ' . $uri . ' cancelled during DNS lookup (ECONNABORTED)',
\defined('SOCKET_ECONNABORTED') ? \SOCKET_ECONNABORTED : 103
));
}<?php if (!\is_int($fd) || $fd < 0 || $fd >= \PHP_INT_MAX) {
throw new \InvalidArgumentException(
'Invalid FD number given (EINVAL)',
\defined('SOCKET_EINVAL') ? \SOCKET_EINVAL : 22
);
}<?php if (!isset($meta['stream_type']) || $meta['stream_type'] !== 'tcp_socket') {
\fclose($this->master);
$errno = \defined('SOCKET_ENOTSOCK') ? \SOCKET_ENOTSOCK : 88;
$errstr = \function_exists('socket_strerror') ? \socket_strerror($errno) : 'Not a socket';
throw new \RuntimeException(<?php if (\stream_socket_get_name($this->master, true) !== false) {
\fclose($this->master);
$errno = \defined('SOCKET_EISCONN') ? \SOCKET_EISCONN : 106;
$errstr = \function_exists('socket_strerror') ? \socket_strerror($errno) : 'Socket is connected';
throw new \RuntimeException(<?php }, function ($_, $reject) use ($that, &$timer) {
$reject(new \RuntimeException(
'Connection to ' . $that->uri . ' cancelled' . (!$that->connectionPromises ? ' during DNS lookup' : '') . ' (ECONNABORTED)',
\defined('SOCKET_ECONNABORTED') ? \SOCKET_ECONNABORTED : 103
));
$_ = $reject = null;<?php if (!$parts || !isset($parts['host'])) {
return Promise\reject(new \InvalidArgumentException(
'Given URI "' . $original . '" is invalid (EINVAL)',
\defined('SOCKET_EINVAL') ? \SOCKET_EINVAL : 22
));
}<?php if (!$parts || !isset($parts['scheme']) || $parts['scheme'] !== 'tls') {
return Promise\reject(new \InvalidArgumentException(
'Given URI "' . $uri . '" is invalid (EINVAL)',
\defined('SOCKET_EINVAL') ? \SOCKET_EINVAL : 22
));
}<?php if ($connected) {
$reject(new \RuntimeException(
'Connection to ' . $uri . ' cancelled during TLS handshake (ECONNABORTED)',
\defined('SOCKET_ECONNABORTED') ? \SOCKET_ECONNABORTED : 103
));
}<?php if (preg_match('#^(?:\w+://)?\d+$#', $uri)) {
throw new \InvalidArgumentException(
'Invalid URI given (EINVAL)',
\defined('SOCKET_EINVAL') ? \SOCKET_EINVAL : 22
);
}<?php $d->reject(new \UnexpectedValueException(
'Connection lost during TLS handshake (ECONNRESET)',
\defined('SOCKET_ECONNRESET') ? \SOCKET_ECONNRESET : 104
));
} else {<?php if (!$parts || !isset($parts['scheme'], $parts['host'], $parts['port']) || $parts['scheme'] !== 'tcp') {
return Promise\reject(new \InvalidArgumentException(
'Given URI "' . $uri . '" is invalid (EINVAL)',
\defined('SOCKET_EINVAL') ? \SOCKET_EINVAL : 22
));
}