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<?php $array = array( 'filters'=> array('where'=>array('yr'=>1994))); $keys = array_keys($array['filters']['where']); echo array_shift(var_dump(array_keys($array['filters']['where'])));
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> string(2) "yr" } Notice: Only variables should be passed by reference in /in/tLLeK on line 4 Fatal error: Uncaught TypeError: array_shift(): Argument #1 ($array) must be of type array, null given in /in/tLLeK:4 Stack trace: #0 /in/tLLeK(4): array_shift(NULL) #1 {main} thrown in /in/tLLeK on line 4
Process exited with code 255.

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