How to return the special character found in string using PHP

Question

I want to get the special chars found in string using PHP code, Here is my trial code:

 $page_num =">256";
 if(preg_match('^[-<>]+$', $page_num))   
 {
        //Here it should returns special chars present in string..
 }

Answer 1

check this

$page_num =">256";
 if(preg_match_all('/\W/', $page_num,$matches))
 {
       print_r($matches);
 }