الصق هذا الكود في ملف وسمه: Sajax2.php

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<?php if (!isset($SAJAX_INCLUDED)) { /* * GLOBALS AND DEFAULTS * */ $sajax_debug_mode = 0; $sajax_export_list = array(); $sajax_request_type = "GET"; $sajax_remote_uri = ""; /* * CODE * */ // // Initialize the Sajax library. // function sajax_init() { } // // Helper function to return the script's own URI. // function sajax_get_my_uri() { global $REQUEST_URI; return $REQUEST_URI; } $sajax_remote_uri = sajax_get_my_uri(); // // Helper function to return an eval()-usable representation // of an object in JavaScript. // function sajax_get_js_repr($value) { $type = gettype($value); if ($type == "boolean" || $type == "integer") { return "parseInt($value)"; } elseif ($type == "double") { return "parseFloat($value)"; } elseif ($type == "array" || $type == "object" ) { // // XXX Arrays with non-numeric indices are not // permitted according to ECMAScript, yet everyone // uses them.. We'll use an object. // $s = "{ "; if ($type == "object") { $value = get_object_vars($value); } foreach ($value as $k=>$v) { $esc_key = sajax_esc($k); if (is_numeric($k)) $s .= "$k: " . sajax_get_js_repr($v) . ", "; else $s .= "\"$esc_key\": " . sajax_get_js_repr($v) . ", "; } if (count($value)) $s = substr($s, 0, -2); return $s . " }"; } else { $esc_val = sajax_esc($value); $s = "'$esc_val'"; return $s; } } function sajax_handle_client_request() { global $sajax_export_list; $mode = ""; if (! empty($_GET["rs"])) $mode = "get"; if (!empty($_POST["rs"])) $mode = "post"; if (empty($mode)) return; $target = ""; if ($mode == "get") { // Bust cache in the head header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified header ("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1 header ("Pragma: no-cache"); // HTTP/1.0 $func_name = $_GET["rs"]; if (! empty($_GET["rsargs"])) $args = $_GET["rsargs"]; else $args = array(); } else { $func_name = $_POST["rs"]; if (! empty($_POST["rsargs"])) $args = $_POST["rsargs"]; else $args = array(); } if (! in_array($func_name, $sajax_export_list)) echo "-:$func_name not callable"; else { echo "+:"; $result = call_user_func_array($func_name, $args); echo "var res = " . trim(sajax_get_js_repr($result)) . "; res;"; } exit; } function sajax_get_common_js() { global $sajax_debug_mode; global $sajax_request_type; global $sajax_remote_uri; $t = strtoupper($sajax_request_type); if ($t != "" && $t != "GET" && $t != "POST") return "// Invalid type: $t.. \n\n"; ob_start(); ?> // remote scripting library // (c) copyright 2005 modernmethod, inc var sajax_debug_mode = <?php echo $sajax_debug_mode ? "true" : "false"; ?>; var sajax_request_type = "<?php echo $t; ?>"; var sajax_target_id = ""; function sajax_debug(text) { if (sajax_debug_mode) alert("RSD: " + text) } function sajax_init_object() { sajax_debug("sajax_init_object() called..") var A; try { A=new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try { A=new ActiveXObject("Microsoft.XMLHTTP"); } catch (oc) { A=null; } } if(!A && typeof XMLHttpRequest != "undefined") A = new XMLHttpRequest(); if (!A) sajax_debug("Could not create connection object."); return A; } function sajax_do_call(func_name, args) { var i, x, n; var uri; var post_data; var target_id; sajax_debug("in sajax_do_call().." + sajax_request_type + "/" + sajax_target_id); target_id = sajax_target_id; if (sajax_request_type == "") sajax_request_type = "GET"; uri = "<?php echo $sajax_remote_uri; ?>"; if (sajax_request_type == "GET") { if (uri.indexOf("?") == -1) uri += "?rs=" + escape(func_name); else uri += "&rs=" + escape(func_name); uri += "&rst=" + escape(sajax_target_id); uri += "&rsrnd=" + new Date().getTime(); for (i = 0; i < args.length-1; i++) uri += "&rsargs[]=" + escape(args[i]); post_data = null; } else if (sajax_request_type == "POST") { post_data = "rs=" + escape(func_name); post_data += "&rst=" + escape(sajax_target_id); post_data += "&rsrnd=" + new Date().getTime(); for (i = 0; i < args.length-1; i++) post_data = post_data + "&rsargs[]=" + escape(args[i]); } else { alert("Illegal request type: " + sajax_request_type); } x = sajax_init_object(); x.open(sajax_request_type, uri, true); if (sajax_request_type == "POST") { x.setRequestHeader("Method", "POST " + uri + " HTTP/1.1"); x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); } x.onreadystatechange = function() { if (x.readyState != 4) return; sajax_debug("received " + x.responseText); var status; var data; var txt = x.responseText.replace(/^\s*|\s*$/g,""); status = txt.charAt(0); data = txt.substring(2); if (status == "-") alert("Error: " + data); else { if (target_id != "") document.getElementById(target_id).innerHTML = eval(data); else { try { var callback; var extra_data = false; if (typeof args[args.length-1] == "object") { callback = args[args.length-1].callback; extra_data = args[args.length-1].extra_data; } else { callback = args[args.length-1]; } callback(eval(data), extra_data); } catch (e) { alert(e + ": Could not eval " + data); } } } } sajax_debug(func_name + " uri = " + uri + "/post = " + post_data); x.send(post_data); sajax_debug(func_name + " waiting.."); delete x; return true; } <?php $html = ob_get_contents(); ob_end_clean(); return $html; } function sajax_show_common_js() { echo sajax_get_common_js(); } // javascript escape a value function sajax_esc($val) { $val = str_replace("\\", "\\\\", $val); $val = str_replace("\r", "\\r", $val); $val = str_replace("\n", "\\n", $val); return str_replace('"', '\\"', $val); } function sajax_get_one_stub($func_name) { ob_start(); ?> // wrapper for <?php echo $func_name; ?> function x_<?php echo $func_name; ?>() { sajax_do_call("<?php echo $func_name; ?>", x_<?php echo $func_name; ?>.arguments); } <?php $html = ob_get_contents(); ob_end_clean(); return $html; } function sajax_show_one_stub($func_name) { echo sajax_get_one_stub($func_name); } function sajax_export() { global $sajax_export_list; $n = func_num_args(); for ($i = 0; $i < $n; $i++) { $sajax_export_list[] = func_get_arg($i); } } $sajax_js_has_been_shown = 0; function sajax_get_javascript() { global $sajax_js_has_been_shown; global $sajax_export_list; $html = ""; if (! $sajax_js_has_been_shown) { $html .= sajax_get_common_js(); $sajax_js_has_been_shown = 1; } foreach ($sajax_export_list as $func) { $html .= sajax_get_one_stub($func); } return $html; } function sajax_show_javascript() { echo sajax_get_javascript(); } $SAJAX_INCLUDED = 1; } ?>

 

قم بلصق هذا الكود في صفحة البرنامج الذي تريد تنفيذ السكربت به وقم بتركيب قواعد البيانات

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<?php // Include the Sajax library include "Sajax2.php"; // Open conection to the database mysql_connect('localhost', 'username', 'password'); mysql_select_db('database'); /* CREATE TABLE `users` ( `user_id` INT( 9 ) NOT NULL AUTO_INCREMENT , `username` VARCHAR( 50 ) NOT NULL , `password` VARCHAR( 32 ) NOT NULL , PRIMARY KEY ( `user_id` ) , UNIQUE (`username`) ); INSERT INTO `users` ( `username` , `password` ) VALUES ('username', 'password'); INSERT INTO `users` ( `username` , `password` ) VALUES ('tom', 'password'); INSERT INTO `users` ( `username` , `password` ) VALUES ('bill', 'password'); INSERT INTO `users` ( `username` , `password` ) VALUES ('bob', 'password'); */ // Function to check if a username exists inside the database function check_user_exist($username) { $username = mysql_escape_string($username); // Make a list of words to postfix on username for suggest $suggest = array('007', '1', 'theman', 'rocks'); //$suggest = array(); $sql = "SELECT `username` FROM `users` WHERE `username` = '$username'"; $result = mysql_query($sql); if(mysql_num_rows($result) > 0) { // Username not available $avail[0] = 'no'; $i = 2; // Loop through suggested ones checking them foreach($suggest AS $postfix) { $sql = "SELECT `username` FROM `users` WHERE `username` = '".$username.$postfix."'"; $result = mysql_query($sql); if(mysql_num_rows($result) < 1) { $avail[$i] = $username.$postfix; $i ++; } } $avail[1] = $i - 1; return $avail; } // Username is available return array('yes'); } sajax_init(); // Intialize Sajax //$sajax_debug_mode = 1; //Uncomment to put Sajax in debug mode sajax_export("check_user_exist"); // Register the function sajax_handle_client_request(); // Serve client instances ?>

الصق هذا الكود في ملف الاستايل الخاص بك CSS او بين تاج <style>

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#available { display: none; color: green; } #not_available { display: none; color: red; }

 

الصق هذا الكود في الهيدر الخاص بصفحة الهوتمل