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<?php declare(strict_types = 1); function twoSumMap(array $arr, int $target): array { $hash = []; foreach ($arr as $val) { if ($hash[$val] ?? false) { return [$val, $hash[$val]]; } $hash[$target - $val] = $val; } return []; } function main(): void { $arr = [8, 1, 7, 5, -9, -11, 3]; var_dump(twoSumMap($arr, 10)); } main();
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array(2) { [0]=> int(3) [1]=> int(7) }
Output for 7.0.0 - 7.0.33
array(2) { [0]=> int(3) [1]=> int(7) } Fatal error: Uncaught TypeError: Return value of main() must be an instance of void, none returned in /in/253rp:21 Stack trace: #0 /in/253rp(23): main() #1 {main} thrown in /in/253rp on line 21
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Warning: Unsupported declare 'strict_types' in /in/253rp on line 1 Parse error: syntax error, unexpected ':', expecting '{' in /in/253rp on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected ':', expecting '{' in /in/253rp on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/253rp on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/253rp 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
Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/253rp on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/253rp on line 3
Process exited with code 255.
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