Online PHP editor | output for BojN8

@ 2013-04-16T00:51:29Z

<?php

$data = array(array("data" => "abcd", 
                    "edit" => "1",
                    "day" => "05",
                    "month" => "04",
                    "year" => "2013"),

              array("data" => "efgh", 
                    "edit" => "2", 
                    "day" => "07", 
                    "month" => "03", 
                    "year" => "2013"));

usort($data, function cmp($a, $b) {
    $date1 = DateTime::createFromFormat("d/m/Y", $a["day"].'/'.$a["month"].'/'.$a["year"]);
    $date2 = DateTime::createFromFormat("d/m/Y", $b["day"].'/'.$b["month"].'/'.$b["year"]);

    return $date1->getTimestamp() - $date2->getTimestamp();
});

var_dump($data);

Output for 5.4.0 - 5.4.12, 5.4.14: Parse error: syntax error, unexpected 'cmp' (T_STRING), expecting '(' in BojN8 on line 15
Process exited with code 255.
Output for 5.4.13: Parse error: syntax error, unexpected 'cmp' (T_STRING), expecting '(' in /in/abIKu on line 15
Process exited with code 255.
Output for 5.3.0 - 5.3.22, 5.3.24: Parse error: syntax error, unexpected T_STRING, expecting '(' in BojN8 on line 15
Process exited with code 255.
Output for 5.3.23: Parse error: syntax error, unexpected T_STRING, expecting '(' in /in/abIKu on line 15
Process exited with code 255.

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