Using a Function Call to Pass an Argument to a Function by Reference : Parameters : Functions PHP Source Code

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PHP Source Code » Functions » Parameters »

Using a Function Call to Pass an Argument to a Function by Reference




<html>
<head>
<title>Using a Function Call to Pass an Argument to a Function by Reference</title>
</head>
<body>
<?php
function addFive( $num ){
     $num += 5;
}
$orignum = 20;
addFive( &$orignum );
print( $orignum );
?>
</body>
</html>