Online PHP editor | output for 4pEks

@ 2013-10-31T05:54:42Z

<?php
$months = array("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December");
$yes = 0;

for ($i = 0; $i < 12; ++$i) {
	$result = date('m.d.y', strtotime($months[$i]));

    if ((substr($result, 0, 2)-1) != $i) {
        $correct = "no";
    } else {
        $correct = "yes";
        $yes++;
    }
	echo $correct . " - " . $result . "\n";
}
echo "\n" . $yes . " / 12 correct months."; 
?>

Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: yes - 01.31.13 no - 03.03.13 yes - 03.31.13 no - 05.01.13 yes - 05.31.13 no - 07.01.13 yes - 07.31.13 yes - 08.31.13 no - 10.01.13 yes - 10.31.13 no - 12.01.13 yes - 12.31.13 7 / 12 correct months.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6: yes - 01.01.70 no - 01.01.70 no - 01.01.70 no - 01.01.70 no - 01.01.70 no - 01.01.70 no - 01.01.70 no - 01.01.70 no - 01.01.70 no - 01.01.70 no - 01.01.70 no - 01.01.70 1 / 12 correct months.

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