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<?php set_error_handler(function() { debug_backtrace(); }); function x($s) { $s['a'] = 1; }; $y = '1'; x($y); print_r($y);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/Z9ldV:5 Stack trace: #0 /in/Z9ldV(7): x('1') #1 {main} thrown in /in/Z9ldV on line 5
Process exited with code 255.

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