<?php
//array_change_key_case.php
$array = array("a"=>1, "b"=>2, "c"=>3, "d"=>4, "e"=>5);
print_r($array);
echo "<br/>Serialized Array Variables<br/>";
foreach($array as $x=>$y)
{
echo $x; echo "    "; echo $y ;echo"<br/>";
}
?>
<html>
<title> array_change_key_case($var)</title>
<body bgcolor="#E7F2F5" text="#000080">
<?php
echo "<br/> Case of Array keys<br/>";
$change_case = array_change_key_case($array, CASE_UPPER);
print_r($change_case);
echo "<br />";
echo "<table border='1'width='100'> <tr><td width='51'>Key</td><td width='51'> Values: </td></tr></table>";
foreach( $change_case as $key => $value){
echo "<table border='1' width='100'><tr><td width='50'>$key</td><td width='50'>$value </td></tr></table>";
}
?>
</body>
</html>
