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run code in 300+ PHP versions simultaneously
<?php $array = array(1, 1, 1, 1, 1, 8 => 1, 4 => 1, 19, 3 => 13); echo $array->length ?>
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Attempt to read property "length" on array in /in/K5rQC on line 3

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