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run code in 300+ PHP versions simultaneously
<?php $a = [1, 3, 6, 4, 1, 2]; $b = range(1, 10); var_dump(array_diff($b, $a));
Output for git.master, git.master_jit, rfc.property-hooks
array(5) { [4]=> int(5) [6]=> int(7) [7]=> int(8) [8]=> int(9) [9]=> int(10) }

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