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<?php function transpose($array) { array_unshift($array, null); return call_user_func_array('array_map', $array); } $foo = array( 1 => 'a1', 2 => 'a2', 3 => 'a3' ); var_dump(transpose($foo));
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
Fatal error: Uncaught TypeError: array_map(): Argument #2 ($array) must be of type array, string given in /in/bAXh3:4 Stack trace: #0 /in/bAXh3(4): array_map(NULL, 'a1', 'a2', 'a3') #1 /in/bAXh3(13): transpose(Array) #2 {main} thrown in /in/bAXh3 on line 4
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_map(): Expected parameter 2 to be an array, string given in /in/bAXh3 on line 4 NULL
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Warning: array_map(): Argument #2 should be an array in /in/bAXh3 on line 4 NULL
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187.49 ms | 402 KiB | 213 Q