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Edit File: class-requests.php
<?php /** * Requests for PHP * * Inspired by Requests for Python. * * Based on concepts from SimplePie_File, RequestCore and WP_Http. * * @package Requests */ /** * Requests for PHP * * Inspired by Requests for Python. * * Based on concepts from SimplePie_File, RequestCore and WP_Http. * * @package Requests */ class Requests { /** * POST method * * @var string */ const POST = 'POST'; /** * PUT method * * @var string */ const PUT = 'PUT'; /** * GET method * * @var string */ const GET = 'GET'; /** * HEAD method * * @var string */ const HEAD = 'HEAD'; /** * DELETE method * * @var string */ const DELETE = 'DELETE'; /** * OPTIONS method * * @var string */ const OPTIONS = 'OPTIONS'; /** * TRACE method * * @var string */ const TRACE = 'TRACE'; /** * PATCH method * * @link https://tools.ietf.org/html/rfc5789 * @var string */ const PATCH = 'PATCH'; /** * Default size of buffer size to read streams * * @var integer */ const BUFFER_SIZE = 1160; /** * Current version of Requests * * @var string */ const VERSION = '1.7-3470169'; /** * Registered transport classes * * @var array */ protected static $transports = array(); /** * Selected transport name * * Use {@see get_transport()} instead * * @var array */ public static $transport = array(); /** * Default certificate path. * * @see Requests::get_certificate_path() * @see Requests::set_certificate_path() * * @var string */ protected static $certificate_path; /** * This is a static class, do not instantiate it * * @codeCoverageIgnore */ private function __construct() {} /** * Autoloader for Requests * * Register this with {@see register_autoloader()} if you'd like to avoid * having to create your own. * * (You can also use `spl_autoload_register` directly if you'd prefer.) * * @codeCoverageIgnore * * @param string $class Class name to load */ public static function autoloader($class) { // Check that the class starts with "Requests" if (strpos($class, 'Requests') !== 0) { return; } $file = str_replace('_', '/', $class); if (file_exists(dirname(__FILE__) . '/' . $file . '.php')) { require_once(dirname(__FILE__) . '/' . $file . '.php'); } } /** * Register the built-in autoloader * * @codeCoverageIgnore */ public static function register_autoloader() { spl_autoload_register(array('Requests', 'autoloader')); } /** * Register a transport * * @param string $transport Transport class to add, must support the Requests_Transport interface */ public static function add_transport($transport) { if (empty(self::$transports)) { self::$transports = array( 'Requests_Transport_cURL', 'Requests_Transport_fsockopen', ); } self::$transports = array_merge(self::$transports, array($transport)); } /** * Get a working transport * * @throws Requests_Exception If no valid transport is found (`notransport`) * @return Requests_Transport */ protected static function get_transport($capabilities = array()) { // Caching code, don't bother testing coverage // @codeCoverageIgnoreStart // array of capabilities as a string to be used as an array key ksort($capabilities); $cap_string = serialize($capabilities); // Don't search for a transport if it's already been done for these $capabilities if (isset(self::$transport[$cap_string]) && self::$transport[$cap_string] !== null) { return new self::$transport[$cap_string](); } // @codeCoverageIgnoreEnd if (empty(self::$transports)) { self::$transports = array( 'Requests_Transport_cURL', 'Requests_Transport_fsockopen', ); } // Find us a working transport foreach (self::$transports as $class) { if (!class_exists($class)) { continue; } $result = call_user_func(array($class, 'test'), $capabilities); if ($result) { self::$transport[$cap_string] = $class; break; } } if (self::$transport[$cap_string] === null) { throw new Requests_Exception('No working transports found', 'notransport', self::$transports); } return new self::$transport[$cap_string](); } /**#@+ * @see request() * @param string $url * @param array $headers * @param array $options * @return Requests_Response */ /** * Send a GET request */ public static function get($url, $headers = array(), $options = array()) { return self::request($url, $headers, null, self::GET, $options); } /** * Send a HEAD request */ public static function head($url, $headers = array(), $options = array()) { return self::request($url, $headers, null, self::HEAD, $options); } /** * Send a DELETE request */ public static function delete($url, $headers = array(), $options = array()) { return self::request($url, $headers, null, self::DELETE, $options); } /** * Send a TRACE request */ public static function trace($url, $headers = array(), $options = array()) { return self::request($url, $headers, null, self::TRACE, $options); } /**#@-*/ /**#@+ * @see request() * @param string $url * @param array $headers * @param array $data * @param array $options * @return Requests_Response */ /** * Send a POST request */ public static function post($url, $headers = array(), $data = array(), $options = array()) { return self::request($url, $headers, $data, self::POST, $options); } /** * Send a PUT request */ public static function put($url, $headers = array(), $data = array(), $options = array()) { return self::request($url, $headers, $data, self::PUT, $options); } /** * Send an OPTIONS request */ public static function options($url, $headers = array(), $data = array(), $options = array()) { return self::request($url, $headers, $data, self::OPTIONS, $options); } /** * Send a PATCH request * * Note: Unlike {@see post} and {@see put}, `$headers` is required, as the * specification recommends that should send an ETag * * @link https://tools.ietf.org/html/rfc5789 */ public static function patch($url, $headers, $data = array(), $options = array()) { return self::request($url, $headers, $data, self::PATCH, $options); } /**#@-*/ /** * Main interface for HTTP requests * * This method initiates a request and sends it via a transport before * parsing. * * The `$options` parameter takes an associative array with the following * options: * * - `timeout`: How long should we wait for a response? * Note: for cURL, a minimum of 1 second applies, as DNS resolution * operates at second-resolution only. * (float, seconds with a millisecond precision, default: 10, example: 0.01) * - `connect_timeout`: How long should we wait while trying to connect? * (float, seconds with a millisecond precision, default: 10, example: 0.01) * - `useragent`: Useragent to send to the server * (string, default: php-requests/$version) * - `follow_redirects`: Should we follow 3xx redirects? * (boolean, default: true) * - `redirects`: How many times should we redirect before erroring? * (integer, default: 10) * - `blocking`: Should we block processing on this request? * (boolean, default: true) * - `filename`: File to stream the body to instead. * (string|boolean, default: false) * - `auth`: Authentication handler or array of user/password details to use * for Basic authentication * (Requests_Auth|array|boolean, default: false) * - `proxy`: Proxy details to use for proxy by-passing and authentication * (Requests_Proxy|array|string|boolean, default: false) * - `max_bytes`: Limit for the response body size. * (integer|boolean, default: false) * - `idn`: Enable IDN parsing * (boolean, default: true) * - `transport`: Custom transport. Either a class name, or a * transport object. Defaults to the first working transport from * {@see getTransport()} * (string|Requests_Transport, default: {@see getTransport()}) * - `hooks`: Hooks handler. * (Requests_Hooker, default: new Requests_Hooks()) * - `verify`: Should we verify SSL certificates? Allows passing in a custom * certificate file as a string. (Using true uses the system-wide root * certificate store instead, but this may have different behaviour * across transports.) * (string|boolean, default: library/Requests/Transport/cacert.pem) * - `verifyname`: Should we verify the common name in the SSL certificate? * (boolean: default, true) * - `data_format`: How should we send the `$data` parameter? * (string, one of 'query' or 'body', default: 'query' for * HEAD/GET/DELETE, 'body' for POST/PUT/OPTIONS/PATCH) * * @throws Requests_Exception On invalid URLs (`nonhttp`) * * @param string $url URL to request * @param array $headers Extra headers to send with the request * @param array|null $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests * @param string $type HTTP request type (use Requests constants) * @param array $options Options for the request (see description for more information) * @return Requests_Response */ public static function request($url, $headers = array(), $data = array(), $type = self::GET, $options = array()) { if (empty($options['type'])) { $options['type'] = $type; } $options = array_merge(self::get_default_options(), $options); self::set_defaults($url, $headers, $data, $type, $options); $options['hooks']->dispatch('requests.before_request', array(&$url, &$headers, &$data, &$type, &$options)); if (!empty($options['transport'])) { $transport = $options['transport']; if (is_string($options['transport'])) { $transport = new $transport(); } } else { $need_ssl = (0 === stripos($url, 'https://')); $capabilities = array('ssl' => $need_ssl); $transport = self::get_transport($capabilities); } $response = $transport->request($url, $headers, $data, $options); $options['hooks']->dispatch('requests.before_parse', array(&$response, $url, $headers, $data, $type, $options)); return self::parse_response($response, $url, $headers, $data, $options); } /** * Send multiple HTTP requests simultaneously * * The `$requests` parameter takes an associative or indexed array of * request fields. The key of each request can be used to match up the * request with the returned data, or with the request passed into your * `multiple.request.complete` callback. * * The request fields value is an associative array with the following keys: * * - `url`: Request URL Same as the `$url` parameter to * {@see Requests::request} * (string, required) * - `headers`: Associative array of header fields. Same as the `$headers` * parameter to {@see Requests::request} * (array, default: `array()`) * - `data`: Associative array of data fields or a string. Same as the * `$data` parameter to {@see Requests::request} * (array|string, default: `array()`) * - `type`: HTTP request type (use Requests constants). Same as the `$type` * parameter to {@see Requests::request} * (string, default: `Requests::GET`) * - `cookies`: Associative array of cookie name to value, or cookie jar. * (array|Requests_Cookie_Jar) * * If the `$options` parameter is specified, individual requests will * inherit options from it. This can be used to use a single hooking system, * or set all the types to `Requests::POST`, for example. * * In addition, the `$options` parameter takes the following global options: * * - `complete`: A callback for when a request is complete. Takes two * parameters, a Requests_Response/Requests_Exception reference, and the * ID from the request array (Note: this can also be overridden on a * per-request basis, although that's a little silly) * (callback) * * @param array $requests Requests data (see description for more information) * @param array $options Global and default options (see {@see Requests::request}) * @return array Responses (either Requests_Response or a Requests_Exception object) */ public static function request_multiple($requests, $options = array()) { $options = array_merge(self::get_default_options(true), $options); if (!empty($options['hooks'])) { $options['hooks']->register('transport.internal.parse_response', array('Requests', 'parse_multiple')); if (!empty($options['complete'])) { $options['hooks']->register('multiple.request.complete', $options['complete']); } } foreach ($requests as $id => &$request) { if (!isset($request['headers'])) { $request['headers'] = array(); } if (!isset($request['data'])) { $request['data'] = array(); } if (!isset($request['type'])) { $request['type'] = self::GET; } if (!isset($request['options'])) { $request['options'] = $options; $request['options']['type'] = $request['type']; } else { if (empty($request['options']['type'])) { $request['options']['type'] = $request['type']; } $request['options'] = array_merge($options, $request['options']); } self::set_defaults($request['url'], $request['headers'], $request['data'], $request['type'], $request['options']); // Ensure we only hook in once if ($request['options']['hooks'] !== $options['hooks']) { $request['options']['hooks']->register('transport.internal.parse_response', array('Requests', 'parse_multiple')); if (!empty($request['options']['complete'])) { $request['options']['hooks']->register('multiple.request.complete', $request['options']['complete']); } } } unset($request); if (!empty($options['transport'])) { $transport = $options['transport']; if (is_string($options['transport'])) { $transport = new $transport(); } } else { $transport = self::get_transport(); } $responses = $transport->request_multiple($requests, $options); foreach ($responses as $id => &$response) { // If our hook got messed with somehow, ensure we end up with the // correct response if (is_string($response)) { $request = $requests[$id]; self::parse_multiple($response, $request); $request['options']['hooks']->dispatch('multiple.request.complete', array(&$response, $id)); } } return $responses; } /** * Get the default options * * @see Requests::request() for values returned by this method * @param boolean $multirequest Is this a multirequest? * @return array Default option values */ protected static function get_default_options($multirequest = false) { $defaults = array( 'timeout' => 10, 'connect_timeout' => 10, 'useragent' => 'php-requests/' . self::VERSION, 'protocol_version' => 1.1, 'redirected' => 0, 'redirects' => 10, 'follow_redirects' => true, 'blocking' => true, 'type' => self::GET, 'filename' => false, 'auth' => false, 'proxy' => false, 'cookies' => false, 'max_bytes' => false, 'idn' => true, 'hooks' => null, 'transport' => null, 'verify' => Requests::get_certificate_path(), 'verifyname' => true, ); if ($multirequest !== false) { $defaults['complete'] = null; } return $defaults; } /** * Get default certificate path. * * @return string Default certificate path. */ public static function get_certificate_path() { if ( ! empty( Requests::$certificate_path ) ) { return Requests::$certificate_path; } return dirname(__FILE__) . '/Requests/Transport/cacert.pem'; } /** * Set default certificate path. * * @param string $path Certificate path, pointing to a PEM file. */ public static function set_certificate_path( $path ) { Requests::$certificate_path = $path; } /** * Set the default values * * @param string $url URL to request * @param array $headers Extra headers to send with the request * @param array|null $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests * @param string $type HTTP request type * @param array $options Options for the request * @return array $options */ protected static function set_defaults(&$url, &$headers, &$data, &$type, &$options) { if (!preg_match('/^http(s)?:\/\//i', $url, $matches)) { throw new Requests_Exception('Only HTTP(S) requests are handled.', 'nonhttp', $url); } if (empty($options['hooks'])) { $options['hooks'] = new Requests_Hooks(); } if (is_array($options['auth'])) { $options['auth'] = new Requests_Auth_Basic($options['auth']); } if ($options['auth'] !== false) { $options['auth']->register($options['hooks']); } if (is_string($options['proxy']) || is_array($options['proxy'])) { $options['proxy'] = new Requests_Proxy_HTTP($options['proxy']); } if ($options['proxy'] !== false) { $options['proxy']->register($options['hooks']); } if (is_array($options['cookies'])) { $options['cookies'] = new Requests_Cookie_Jar($options['cookies']); } elseif (empty($options['cookies'])) { $options['cookies'] = new Requests_Cookie_Jar(); } if ($options['cookies'] !== false) { $options['cookies']->register($options['hooks']); } if ($options['idn'] !== false) { $iri = new Requests_IRI($url); $iri->host = Requests_IDNAEncoder::encode($iri->ihost); $url = $iri->uri; } // Massage the type to ensure we support it. $type = strtoupper($type); if (!isset($options['data_format'])) { if (in_array($type, array(self::HEAD, self::GET, self::DELETE))) { $options['data_format'] = 'query'; } else { $options['data_format'] = 'body'; } } } /** * HTTP response parser * * @throws Requests_Exception On missing head/body separator (`requests.no_crlf_separator`) * @throws Requests_Exception On missing head/body separator (`noversion`) * @throws Requests_Exception On missing head/body separator (`toomanyredirects`) * * @param string $headers Full response text including headers and body * @param string $url Original request URL * @param array $req_headers Original $headers array passed to {@link request()}, in case we need to follow redirects * @param array $req_data Original $data array passed to {@link request()}, in case we need to follow redirects * @param array $options Original $options array passed to {@link request()}, in case we need to follow redirects * @return Requests_Response */ protected static function parse_response($headers, $url, $req_headers, $req_data, $options) { $return = new Requests_Response(); if (!$options['blocking']) { return $return; } $return->raw = $headers; $return->url = $url; if (!$options['filename']) { if (($pos = strpos($headers, "\r\n\r\n")) === false) { // Crap! throw new Requests_Exception('Missing header/body separator', 'requests.no_crlf_separator'); } $headers = substr($return->raw, 0, $pos); $return->body = substr($return->raw, $pos + strlen("\n\r\n\r")); } else { $return->body = ''; } // Pretend CRLF = LF for compatibility (RFC 2616, section 19.3) $headers = str_replace("\r\n", "\n", $headers); // Unfold headers (replace [CRLF] 1*( SP | HT ) with SP) as per RFC 2616 (section 2.2) $headers = preg_replace('/\n[ \t]/', ' ', $headers); $headers = explode("\n", $headers); preg_match('#^HTTP/(1\.\d)[ \t]+(\d+)#i', array_shift($headers), $matches); if (empty($matches)) { throw new Requests_Exception('Response could not be parsed', 'noversion', $headers); } $return->protocol_version = (float) $matches[1]; $return->status_code = (int) $matches[2]; if ($return->status_code >= 200 && $return->status_code < 300) { $return->success = true; } foreach ($headers as $header) { list($key, $value) = explode(':', $header, 2); $value = trim($value); preg_replace('#(\s+)#i', ' ', $value); $return->headers[$key] = $value; } if (isset($return->headers['transfer-encoding'])) { $return->body = self::decode_chunked($return->body); unset($return->headers['transfer-encoding']); } if (isset($return->headers['content-encoding'])) { $return->body = self::decompress($return->body); } //fsockopen and cURL compatibility if (isset($return->headers['connection'])) { unset($return->headers['connection']); } $options['hooks']->dispatch('requests.before_redirect_check', array(&$return, $req_headers, $req_data, $options)); if ($return->is_redirect() && $options['follow_redirects'] === true) { if (isset($return->headers['location']) && $options['redirected'] < $options['redirects']) { if ($return->status_code === 303) { $options['type'] = self::GET; } $options['redirected']++; $location = $return->headers['location']; if (strpos($location, 'http://') !== 0 && strpos($location, 'https://') !== 0) { // relative redirect, for compatibility make it absolute $location = Requests_IRI::absolutize($url, $location); $location = $location->uri; } $hook_args = array( &$location, &$req_headers, &$req_data, &$options, $return ); $options['hooks']->dispatch('requests.before_redirect', $hook_args); $redirected = self::request($location, $req_headers, $req_data, $options['type'], $options); $redirected->history[] = $return; return $redirected; } elseif ($options['redirected'] >= $options['redirects']) { throw new Requests_Exception('Too many redirects', 'toomanyredirects', $return); } } $return->redirects = $options['redirected']; $options['hooks']->dispatch('requests.after_request', array(&$return, $req_headers, $req_data, $options)); return $return; } /** * Callback for `transport.internal.parse_response` * * Internal use only. Converts a raw HTTP response to a Requests_Response * while still executing a multiple request. * * @param string $response Full response text including headers and body (will be overwritten with Response instance) * @param array $request Request data as passed into {@see Requests::request_multiple()} * @return null `$response` is either set to a Requests_Response instance, or a Requests_Exception object */ public static function parse_multiple(&$response, $request) { try { $url = $request['url']; $headers = $request['headers']; $data = $request['data']; $options = $request['options']; $response = self::parse_response($response, $url, $headers, $data, $options); } catch (Requests_Exception $e) { $response = $e; } } /** * Decoded a chunked body as per RFC 2616 * * @see https://tools.ietf.org/html/rfc2616#section-3.6.1 * @param string $data Chunked body * @return string Decoded body */ protected static function decode_chunked($data) { if (!preg_match('/^([0-9a-f]+)(?:;(?:[\w-]*)(?:=(?:(?:[\w-]*)*|"(?:[^\r\n])*"))?)*\r\n/i', trim($data))) { return $data; } $decoded = ''; $encoded = $data; while (true) { $is_chunked = (bool) preg_match('/^([0-9a-f]+)(?:;(?:[\w-]*)(?:=(?:(?:[\w-]*)*|"(?:[^\r\n])*"))?)*\r\n/i', $encoded, $matches); if (!$is_chunked) { // Looks like it's not chunked after all return $data; } $length = hexdec(trim($matches[1])); if ($length === 0) { // Ignore trailer headers return $decoded; } $chunk_length = strlen($matches[0]); $decoded .= substr($encoded, $chunk_length, $length); $encoded = substr($encoded, $chunk_length + $length + 2); if (trim($encoded) === '0' || empty($encoded)) { return $decoded; } } // We'll never actually get down here // @codeCoverageIgnoreStart } // @codeCoverageIgnoreEnd /** * Convert a key => value array to a 'key: value' array for headers * * @param array $array Dictionary of header values * @return array List of headers */ public static function flatten($array) { $return = array(); foreach ($array as $key => $value) { $return[] = sprintf('%s: %s', $key, $value); } return $return; } /** * Convert a key => value array to a 'key: value' array for headers * * @codeCoverageIgnore * @deprecated Misspelling of {@see Requests::flatten} * @param array $array Dictionary of header values * @return array List of headers */ public static function flattern($array) { return self::flatten($array); } /** * Decompress an encoded body * * Implements gzip, compress and deflate. Guesses which it is by attempting * to decode. * * @param string $data Compressed data in one of the above formats * @return string Decompressed string */ public static function decompress($data) { if (substr($data, 0, 2) !== "\x1f\x8b" && substr($data, 0, 2) !== "\x78\x9c") { // Not actually compressed. Probably cURL ruining this for us. return $data; } if (function_exists('gzdecode') && ($decoded = @gzdecode($data)) !== false) { return $decoded; } elseif (function_exists('gzinflate') && ($decoded = @gzinflate($data)) !== false) { return $decoded; } elseif (($decoded = self::compatible_gzinflate($data)) !== false) { return $decoded; } elseif (function_exists('gzuncompress') && ($decoded = @gzuncompress($data)) !== false) { return $decoded; } return $data; } /** * Decompression of deflated string while staying compatible with the majority of servers. * * Certain Servers will return deflated data with headers which PHP's gzinflate() * function cannot handle out of the box. The following function has been created from * various snippets on the gzinflate() PHP documentation. * * Warning: Magic numbers within. Due to the potential different formats that the compressed * data may be returned in, some "magic offsets" are needed to ensure proper decompression * takes place. For a simple progmatic way to determine the magic offset in use, see: * https://core.trac.wordpress.org/ticket/18273 * * @since 2.8.1 * @link https://core.trac.wordpress.org/ticket/18273 * @link https://secure.php.net/manual/en/function.gzinflate.php#70875 * @link https://secure.php.net/manual/en/function.gzinflate.php#77336 * * @param string $gzData String to decompress. * @return string|bool False on failure. */ public static function compatible_gzinflate($gzData) { // Compressed data might contain a full zlib header, if so strip it for // gzinflate() if (substr($gzData, 0, 3) == "\x1f\x8b\x08") { $i = 10; $flg = ord(substr($gzData, 3, 1)); if ($flg > 0) { if ($flg & 4) { list($xlen) = unpack('v', substr($gzData, $i, 2)); $i = $i + 2 + $xlen; } if ($flg & 8) { $i = strpos($gzData, "\0", $i) + 1; } if ($flg & 16) { $i = strpos($gzData, "\0", $i) + 1; } if ($flg & 2) { $i = $i + 2; } } $decompressed = self::compatible_gzinflate(substr($gzData, $i)); if (false !== $decompressed) { return $decompressed; } } // If the data is Huffman Encoded, we must first strip the leading 2 // byte Huffman marker for gzinflate() // The response is Huffman coded by many compressors such as // java.util.zip.Deflater, Ruby’s Zlib::Deflate, and .NET's // System.IO.Compression.DeflateStream. // // See https://decompres.blogspot.com/ for a quick explanation of this // data type $huffman_encoded = false; // low nibble of first byte should be 0x08 list(, $first_nibble) = unpack('h', $gzData); // First 2 bytes should be divisible by 0x1F list(, $first_two_bytes) = unpack('n', $gzData); if (0x08 == $first_nibble && 0 == ($first_two_bytes % 0x1F)) { $huffman_encoded = true; } if ($huffman_encoded) { if (false !== ($decompressed = @gzinflate(substr($gzData, 2)))) { return $decompressed; } } if ("\x50\x4b\x03\x04" == substr($gzData, 0, 4)) { // ZIP file format header // Offset 6: 2 bytes, General-purpose field // Offset 26: 2 bytes, filename length // Offset 28: 2 bytes, optional field length // Offset 30: Filename field, followed by optional field, followed // immediately by data list(, $general_purpose_flag) = unpack('v', substr($gzData, 6, 2)); // If the file has been compressed on the fly, 0x08 bit is set of // the general purpose field. We can use this to differentiate // between a compressed document, and a ZIP file $zip_compressed_on_the_fly = (0x08 == (0x08 & $general_purpose_flag)); if (!$zip_compressed_on_the_fly) { // Don't attempt to decode a compressed zip file return $gzData; } // Determine the first byte of data, based on the above ZIP header // offsets: $first_file_start = array_sum(unpack('v2', substr($gzData, 26, 4))); if (false !== ($decompressed = @gzinflate(substr($gzData, 30 + $first_file_start)))) { return $decompressed; } return false; } // Finally fall back to straight gzinflate if (false !== ($decompressed = @gzinflate($gzData))) { return $decompressed; } // Fallback for all above failing, not expected, but included for // debugging and preventing regressions and to track stats if (false !== ($decompressed = @gzinflate(substr($gzData, 2)))) { return $decompressed; } return false; } public static function match_domain($host, $reference) { // Check for a direct match if ($host === $reference) { return true; } // Calculate the valid wildcard match if the host is not an IP address // Also validates that the host has 3 parts or more, as per Firefox's // ruleset. $parts = explode('.', $host); if (ip2long($host) === false && count($parts) >= 3) { $parts[0] = '*'; $wildcard = implode('.', $parts); if ($wildcard === $reference) { return true; } } return false; } }
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