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run code in 300+ PHP versions simultaneously
<?php class MyString { function __toString() { return "2"; } } $a = '5'; $b = new MyString(); var_dump($a + $b);
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Fatal error: Uncaught TypeError: Unsupported operand types: string + MyString in /in/FkZLC:11 Stack trace: #0 {main} thrown in /in/FkZLC on line 11
Process exited with code 255.
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