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run code in 300+ PHP versions simultaneously
<?php $a1 = array('1' => 0, '2' => 0, '3' => 2, '4' => 10, '5' => 3, '6' => 8, '7' => 3, '8' => 5); echo $a1[0];
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key 0 in /in/1eAAO on line 6

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