A function that takes a reference for an argument : Parameters : Functions PHP Source Code

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PHP Source Code » Functions » Parameters »

A function that takes a reference for an argument



<?php
     $my_int = 10;
     print("Before change_value(), $my_int =" . $my_int . "<br />");
   
     function change_value(&$var) { 
        $var = 15; 
     }
   
     change_value($my_int);
     print("After change_value(), $my_int = " . $my_int . "<br />");
?>