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<?php function sum() { $list = array(); $prepare = function($value) use(&$prepare, &$list) { if (is_array($value)) { return $prepare(array_merge($list, $value));//array_map($prepare, ); } $list[] = $value; }; $args = func_get_args(); array_walk($args, $prepare, $list); var_dump($list); return addition(0, $list); } function addition($sum, array &$list) { return empty($list) ? $sum : addition($sum + array_pop($list), $list); } $vars = range(1, 10); echo sum(array($vars), array(1));
Output for 7.0.0 - 7.0.13, 7.4.0 - 7.4.1, 8.1.28, 8.2.18, 8.3.5 - 8.3.6
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/nBHkF on line 7
Process exited with code 255.
Output for 8.2.15 - 8.2.17, 8.3.2 - 8.3.4
Fatal error: Out of memory (allocated 31457280 bytes) (tried to allocate 262144 bytes) in /in/nBHkF on line 7 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 7.0.14 - 7.0.18, 7.0.20 - 7.0.30, 7.0.32 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.3, 7.2.6, 7.2.8 - 7.2.26, 7.3.0 - 7.3.13
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 20480 bytes) in /in/nBHkF on line 7
Process exited with code 255.
Output for 7.0.19, 7.0.31, 7.2.4 - 7.2.5, 7.2.7

Process exited with code 137.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 130968 bytes) in /in/nBHkF on line 7
Process exited with code 255.
preferences:
192.42 ms | 402 KiB | 252 Q