View difference between Paste ID: Fu50kp4n and MkfyARmD

 <!DOCTYPE html>
 <html>
 <head>
     <title></title>
     <style>
         label, textarea, input {
             display: block;
         }
         textarea {
             width: 300px;
             height: 200px;
         }
     </style>
 </head>
 <body>
 <form method="get" action="">
     <label>Text:</label>
     <textarea name="text">Hi, I'm an air-conditioner technician, so if you need any assistance you can contact me at [email protected] .
         Secondary email: [email protected] or at [email protected] OR [email protected]</textarea>
     <label>Blacklist:</label>
     <textarea name="blacklist">*.bg
         [email protected]
         *.com</textarea>
     <input type="submit" />
 </form>
 <?php
 function getReplacement($match , $blacklist) {
     preg_match("/(\\..*)/" , $match , $domain); // get domain from current match
     $dom = "*" . $domain[0]; // get domain with * before it
     if (in_array($dom, $blacklist) || in_array($match , $blacklist)) {
         return str_pad('', strlen($match), '*'); // encode domain/match from blacklist
     }
     else {
         return "<a href=\"mailto:" . $match . "\">$match</a>";
     }
 }
     if (isset($_GET['text']) && isset($_GET['blacklist'])) {
         $textArea = $_GET['text'];
         $bl = $_GET['blacklist']; // get value from text area with name "blacklist"
         //var_dump($bl) . "</br>";
-
+
-        function getReplacement($match , $blacklist) {
+
-            preg_match("/(\\..*)/" , $match , $domain); // get domain from current match
+
-            $dom = "*" . $domain[0]; // get domain with * before it
+
-            if (in_array($dom, $blacklist) || in_array($match , $blacklist)) {
+
-                return str_pad('', strlen($match), '*'); // encode domain/match from blacklist
+
-            }
+
-            else {
+
-                return "<a href=\"mailto:" . $match . "\">$match</a>";
+
-            }
+
     }
 ?>
 </body>
 </html>