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run code in 300+ PHP versions simultaneously
<?php class Stringable{ public function __toString() { return 'hi';} } class NotStringable{ public function __toString(){}} $stringable = new Stringable(); $notStringable = new NotStringable(); var_dump((string) $stringable); var_dump(is_string((string) $stringable));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Cannot declare class Stringable, because the name is already in use in /in/E45X0 on line 3
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
string(2) "hi" bool(true)

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201.77 ms | 403 KiB | 289 Q