3v4l.org

run code in 300+ PHP versions simultaneously
<?php // First script $a = 1; echo $a + $a++; // may print either 2 or 3 => Finally, no, it always print 3 echo "\n"; // Second script $i = 1; $array[$i] = $i++; // may set either index 1 or 2 => Same here, array will always contain index 2 and value 1 var_export($array);
Output for git.master, git.master_jit, rfc.property-hooks
3 array ( 2 => 1, )

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