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run code in 300+ PHP versions simultaneously
<?php $fileHandle = fopen('php://memory', 'r+'); $string = '<?php class Foo { public function __construct($x) { $this->x = $x; } }'; rewind($fileHandle); fwrite($fileHandle, '$string'); include 'php://memory'; $test = new Foo(5);
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: Uncaught Error: Class "Foo" not found in /in/AfhMe:11 Stack trace: #0 {main} thrown in /in/AfhMe on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Class 'Foo' not found in /in/AfhMe:11 Stack trace: #0 {main} thrown in /in/AfhMe on line 11
Process exited with code 255.

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