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<?php declare(strict_types=1); function void(): void { } function handleBatch(iterable $commands, ?callable $onEach = null): void { $onEach ??= 'void'; foreach ($commands as $command) { // handle $command $onEach($command); } } handleBatch([new \stdClass()]);
Output for 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 - 8.3.25, 8.4.1 - 8.4.12
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Parse error: syntax error, unexpected '=' in /in/LGpZP on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.33
Parse error: syntax error, unexpected '?', expecting variable (T_VARIABLE) in /in/LGpZP on line 9
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/LGpZP on line 3 Parse error: syntax error, unexpected ':', expecting '{' in /in/LGpZP on line 5
Process exited with code 255.
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 ':', expecting '{' in /in/LGpZP on line 5
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 ':', expecting '{' in /in/LGpZP on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/LGpZP on line 5
Process exited with code 255.
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