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run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); $arr=null; $val=$arr['klsjb']; if (isset($val)) echo "value exists\n"; print_r($val);
Output for git.master, git.master_jit
Warning: Trying to access array offset on value of type null in /in/2L2jU on line 4
Output for rfc.property-hooks
Warning: Trying to access array offset on null in /in/2L2jU on line 4

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