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<?php namespace a; $a = []; if(\isset($a['a'])) { echo 'asd'; }
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function isset() in /in/9QZlF:7 Stack trace: #0 {main} thrown in /in/9QZlF on line 7
Process exited with code 255.

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