13c07-1.php
来自「介绍PHP5的给类型函数应用」· PHP 代码 · 共 158 行
PHP
158 行
<?php// A barebones, basic, php webserver// First let's insert some basic configuration, at the top of the file// where it is easy to edit$port = 8088;$host = '127.0.0.1';$docroot = '/html';// Ensure that our server will never timeoutset_time_limit(0);// Start off by listening to our designated port:if (!($server = stream_socket_server("tcp://{$host}:{$port}", $err_num, $err_string))) { exit("ERROR: Failed to Open Server - {$err_num} - {$err_string}\n");}// Now, begin a permanent loopfor (;;) { // Listen for a new connection and don't timeout: $client = stream_socket_accept($server, -1); // If we truly got a client connection, and not an error: if ($client) { // Attempt to fork a new process, so that the server can // still accept new connections. $pid = pcntl_fork(); // If an error happened: if ($pid == -1) { exit("ERROR: Could not create new process!"); } // Else, if we are in the child elseif (!$pid) { // Read the first line of the request // (The only line we are going to bother with) $command = fgets($client, 2048); // Read the rest of the request; however, we are going to ignore // it - Given we are being such a simple web server. We need to // read all lines presented, until we get a blank line or // error, that means the request is done. while($line = fgets($client, 2048)) { if (trim($line) === '') { break; } } // Now, divide up the request string into it's parts: $request = explode(' ', $command); // If the Request is not GET tell them we cannot do that. if ($request[0] != 'GET') { // Respond that we do not support this @fwrite($client, "HTTP/0.9 501 Not ImplementedServer: Bare-Basic-PHP-WebServerContent-Type: text/html<html><head><title>501 Not Implemented</title></head><body><h1>501 Not Implemented</h1><p>This is a very basic web server that only implements GET</p></body></html>"); // Close the connection fclose($client); // And exit the child exit(); } // Attempt to split any GET parameters out of the request: $parts = explode('?', $request[1]); // If the request ends in '/', assume index.php if ($parts[0]{strlen($parts[0])-1} == '/') { $parts[0] .= 'index.php'; } // Now, if the file requested cannot be found in document root: if (!is_file($docroot . $parts[0])) { // Respond with a 404 error - We can't find the document: @fwrite($client, "HTTP/0.9 404 Not FoundServer: Bare-Basic-PHP-WebServerContent-Type: text/html<html><head><title>404 Not Found</title></head><body><h1>404 Not Found</h1><p>We looked, but the file you requested was nowhere to be found!</p></body></html>"); // Close the connection fclose($client); // And exit the child exit(); } // Finally, we are ALMOST ready // We just need to decide what filetype to return: $path = pathinfo($parts[0]); switch ($path['extension']) { // For the image types: case 'gif': case 'png': case 'jpg': $mime = "image/{$path['extension']}"; break; // Text Types: case 'html': case 'xml': case 'css': $mime = "text/{$path['extension']}"; break; // Javascript: case 'js': $mime = 'application/x-javascript'; break; // Special case for PHP files: case 'php': $mime = 'text/html'; break; // Give a generic answer for everything else: default: $mime = 'application/octet-stream'; } // We know the mime type to return, prep the GET variables if (isset($parts[1])) { // Parse them into $_GET just like PHP would have parse_str($parts[1], $_GET); } // Now, INCLUDE the file, no matter what the type. This is a // PHP webserver, so we are going to assume that EVERY file // might have some embedded PHP in it. Capture the output // via buffering ob_start(); include "{$docroot}{$parts[0]}"; $output = ob_get_contents(); ob_end_clean(); // Ok, time to return everything! $length = strlen($output); @fwrite($client,"HTTP/0.9 200 OkServer: Bare-Basic-PHP-WebServerContent-Type: {$mime}Content-Length: {$length}{$output}"); // Since we aren't supporting Keep-Alive, close the connection fclose($client); exit(); } } // We are in the parent here, just about to restart our loop, make sure // that the parent closes the client connection. @fclose($client);}?>⌨️ 快捷键说明
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