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<?php $str_arr = array('street' => 'lalala', 'id' => 'x'); echo $str_arr[array_keys($str_arr)['lalala']]; echo array_values($array)[0];
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined array key "lalala" in /in/f2ntl on line 7 Warning: Undefined array key "" in /in/f2ntl on line 7 Warning: Undefined variable $array in /in/f2ntl on line 9 Fatal error: Uncaught TypeError: array_values(): Argument #1 ($array) must be of type array, null given in /in/f2ntl:9 Stack trace: #0 /in/f2ntl(9): array_values(NULL) #1 {main} thrown in /in/f2ntl on line 9
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Notice: Undefined index: lalala in /in/f2ntl on line 7 Notice: Undefined index: in /in/f2ntl on line 7 Notice: Undefined variable: array in /in/f2ntl on line 9 Warning: array_values() expects parameter 1 to be array, null given in /in/f2ntl on line 9 Notice: Trying to access array offset on value of type null in /in/f2ntl on line 9
Output for 7.3.32 - 7.3.33
Warning: array_values() expects parameter 1 to be array, null given in /in/f2ntl on line 9
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Notice: Undefined index: lalala in /in/f2ntl on line 7 Notice: Undefined index: in /in/f2ntl on line 7 Notice: Undefined variable: array in /in/f2ntl on line 9 Warning: array_values() expects parameter 1 to be array, null given in /in/f2ntl on line 9
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ']' in /in/f2ntl on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ']' in /in/f2ntl on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `']'' in /in/f2ntl on line 7
Process exited with code 255.

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