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<html>
<head>
<title>Casting a variable</title>
</head>
<body>
<?php
$undecided = 3.14;
$holder = ( double ) $undecided;
print gettype( $holder ) ;
print " -- $holder<br>";
$holder = ( string ) $undecided;
print gettype( $holder );
print " -- $holder<br>";
$holder = ( integer ) $undecided;
print gettype( $holder );
print " -- $holder<br>";
$holder = ( double ) $undecided;
print gettype( $holder );
print " -- $holder<br>";
$holder = ( boolean ) $undecided;
print gettype( $holder );
print " -- $holder<br>";
?>
</body>
</html>
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