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<?php $a = ['a'=>1,'b'=>2,'c'=>3]; var_dump(array_reduce($a, function($result, $item) use ($a) { $key = $result ? key($result) : $a; $key = $key == 'a' ? 'aa' : $key; $result[$key] = $item; return $result; }));
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: Cannot access offset of type array on array in /in/lME2K:7 Stack trace: #0 [internal function]: {closure}(Array, 1) #1 /in/lME2K(4): array_reduce(Array, Object(Closure)) #2 {main} thrown in /in/lME2K on line 7
Process exited with code 255.
Output for 8.2.0 - 8.2.18
Fatal error: Uncaught TypeError: Illegal offset type in /in/lME2K:7 Stack trace: #0 [internal function]: {closure}(Array, 1) #1 /in/lME2K(4): array_reduce(Array, Object(Closure)) #2 {main} thrown in /in/lME2K on line 7
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught TypeError: Illegal offset type in /in/lME2K:7 Stack trace: #0 [internal function]: {closure}(Array, 1) #1 /in/lME2K(9): array_reduce(Array, Object(Closure)) #2 {main} thrown in /in/lME2K on line 7
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Illegal offset type in /in/lME2K on line 7 Warning: Illegal offset type in /in/lME2K on line 7 Warning: Illegal offset type in /in/lME2K on line 7 array(0) { }
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 '[' in /in/lME2K on line 3
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 '[' in /in/lME2K on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/lME2K on line 3
Process exited with code 255.
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