pass_by_reference_and_value.html

<!--

  http://www.adp-gmbh.ch/php/pass_by_reference.html

-->
<html>
<head><title>pass by reference / pass by value</title></head>
<body>

<?php

  function pass_by_value    ( $param) { array_push($param, 'val1', 'val2'); }
  function pass_by_reference(&$param) { array_push($param, 'ref1', 'ref2'); }

  $ar = array('foo', 'bar', 'baz');

  pass_by_value    ($ar);
  pass_by_reference($ar);

  foreach ($ar as $elem) {
    print "<br>$elem";
  } 

?>

</body>
</html>