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<?php $keys=array("key1","key2","key3"); $array=array(); $array['key1'] = 'value1'; $cache=&$array; foreach($keys as $key) { $cache=&$cache[$key]; } $cache="value3"; print_r($array);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/05rQq:8 Stack trace: #0 {main} thrown in /in/05rQq on line 8
Process exited with code 255.

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