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run code in 300+ PHP versions simultaneously
<?php function foo($ok) { if ($ok) { return array('foo', 42); } return null; } foreach (array(true, false) as $ok) { list($a, $b) = foo($ok); printf("a: %s; b: %s\n", print_r($a, true), print_r($b, true)); }
Output for git.master, git.master_jit, rfc.property-hooks
a: foo; b: 42 a: ; b:

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