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<?php $a = ""; $a[] = "x"; var_dump($a); $a = "x"; $a[] = "y"; var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: [] operator not supported for strings in /in/oj9kc:4 Stack trace: #0 {main} thrown in /in/oj9kc on line 4
Process exited with code 255.

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