Untitled

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />


</head>
<body>

 <?php
 /* В базе new данных куда устанавливаете скрипт создаем таблицу short вида - CREATE TABLE IF NOT EXISTS short
 (    id INTEGER UNSIGNED NOT NULL AUTO_INCREMENT,
	  url TEXT NOT NULL,
	  short_key TEXT NOT NULL,
	  PRIMARY KEY (id),
	  KEY short_key (short_key)
	)
	ENGINE=InnoDB;*/

$url = htmlspecialchars($_POST['url']);
if(empty($_POST['url'])){}
if(empty($_POST['upload'])){}
else {
	$con= mysql_connect('127.0.0.1','root','') or die ('error');
	if(!($con))
	echo ("Server Not connect");
	$db= mysql_select_db("new", $con)or die ('error');
	if(!($db))
	echo ("Database Not Select");
	@$first = mysql_fetch_assoc(mysql_query("SELECT * FROM short WHERE 'url' = '".$url."' "));
	if($first)
	{
		$second=[
		'url'=>$first['url'],
		'key'=>$first['short_key'],
		'$link'=>
		'http://'.$_SERVER['HTTP_HOST'].'/'.$first['short_key']
		];

	}
	else{

		/*Генерация адреса*/

		 function generate_name($length){
$code = '';
$symbols = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
for( $i = 0; $i < (int)$length; $i++ )
{
$num = rand(1, strlen($symbols));
$code .= substr( $symbols, $num-1, 1 );
}
return $code;
}
        $rand=rand(5, 25);
        $res=generate_name(6);

		$con= mysql_connect('127.0.0.1','root','') or die ('error');
	    if(!($con))
	    echo ("Server Not connect");
	    $db= mysql_select_db("new", $con)or die ('error');
	    if(!($db))
	    echo ("Database Not Select");
	    mysql_query("INSERT INTO short(id,url,short_key) VALUES (NULL,'".$url."','".$rand.$res."')",$con);
		@$select= mysql_fetch_assoc(mysql_query("SELECT * FROM short WHERE url = '$url' "));
		$third=[
		'url'=>$select['url'],
		'key'=>$select['short_key'],
		'$link'=>'http://'.$_SERVER['HTTP_HOST'].'/'.$select['short_key']
		];

		echo "КОРОТКАЯ ССЫЛКА<br>";
		print_r($third['$link']);

		echo "<br>";
	} //echo $result;
	echo "<br>";
	echo $url;

}


	 ?>

<form  enctype="multipart/form-data" action=""  method="post" id="ajax_form" >

  <font style="font-size: 150%;">Введите полный адрес:</font><br>
 <input type="text" name="url"><br>
 <input  type="submit" name="upload" id="btn" value="Преобразовать"/>
 </form>


  <br>

    <div id="result_form"></div>
<!--<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
<script type="text/javascript" src="ajax.js" >
</script>-->
</body>
</html>