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run code in 300+ PHP versions simultaneously
<?php class Foo { public function __toString() { return 1; } } echo new Foo;
Output for 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
1
Output for 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Method Foo::__toString() must return a string value in /in/j4AZu:11 Stack trace: #0 {main} thrown in /in/j4AZu on line 11
Process exited with code 255.
Output for 7.1.25 - 7.1.28, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Recoverable fatal error: Method Foo::__toString() must return a string value in /in/j4AZu on line 11
Process exited with code 255.

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