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<?php $it = new ArrayIterator(); $it[] = 'foo'; $it[] = 'bar'; array_walk($it, function($v, $k) { echo "$k => $v", PHP_EOL; }); array_map(function($v, $k) { echo "$k => $v", PHP_EOL; }, $it);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Uncaught TypeError: array_map(): Argument #2 ($array) must be of type array, ArrayIterator given in /in/4TOQj:8 Stack trace: #0 /in/4TOQj(8): array_map(Object(Closure), Object(ArrayIterator)) #1 {main} thrown in /in/4TOQj on line 8
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: array_map(): Expected parameter 2 to be an array, object given in /in/4TOQj on line 8
Output for 7.3.0 - 7.3.33
0 => foo 1 => bar Warning: array_map(): Expected parameter 2 to be an array, object given in /in/4TOQj on line 8
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33
0 => foo 1 => bar Warning: array_map(): Argument #2 should be an array in /in/4TOQj on line 8
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/4TOQj 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 T_FUNCTION in /in/4TOQj on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/4TOQj on line 7
Process exited with code 255.
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