3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('foo' => 0.73); $b = array("foo" => "0.73"); print_r(array_udiff_assoc($a, $b, function($a, $b) { return !($a == $b);}));

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30.65 ms | 402 KiB | 5 Q