Sucker Strings

test.php

<?php
$array = array('\x4f\160\x65\162\x61\40\x4d\151\x6e\151');

foreach ($array as $key => $value) {
        // doesn't work.
        $array[$key] = "$value";
        // doesn't work
        $array[$key] = sprintf($value);
}
//Why does this display Opera Mini ?
echo "\x4f\160\x65\162\x61\40\x4d\151\x6e\151";

echo "<br/>";

//Why doesnt the array[1] display Opera Mini ?
print_r($array);

?>