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run code in 300+ PHP versions simultaneously
<?php $a=1; $b="abc"; echo $a + $b,PHP_EOL; $c = '45'; echo $c + $a;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Fatal error: Uncaught TypeError: Unsupported operand types: int + string in /in/n0Bmd:6 Stack trace: #0 {main} thrown in /in/n0Bmd on line 6
Process exited with code 255.
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: A non-numeric value encountered in /in/n0Bmd on line 6 1 46

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