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run code in 300+ PHP versions simultaneously
<?hh namespace A { class T {} } namespace { $hello = 42; class Test { public function first(string $str): Closure { return function(): int use ($str) { return strlen($str); }; } public function second(int $i): self { } } $t = new Test; echo ($t->first("hello"))(); }
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.31, 7.4.3 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<?hh namespace A { class T {} } namespace { $hello = 42; class Test { public function first(string $str): Closure { return function(): int use ($str) { return strlen($str); }; } public function second(int $i): self { } } $t = new Test; echo ($t->first("hello"))(); }
Output for 8.0.13
Parse error: syntax error, unexpected token "namespace" in /in/WqFq0 on line 3
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16, 7.0.0, 7.3.32 - 7.3.33, 7.4.33
Parse error: syntax error, unexpected 'namespace' (T_NAMESPACE) in /in/WqFq0 on line 3
Process exited with code 255.

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