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run code in 300+ PHP versions simultaneously
<?php $a = 'A'; $b = 'B'; $minA = 'a'; echo strcmp($a, $b) . PHP_EOL; echo strcmp($a, $minA) . PHP_EOL; $c = $a - $b; $d = $a - $minA; echo $c . PHP_EOL; echo $d . PHP_EOL;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
-1 -32 Fatal error: Uncaught TypeError: Unsupported operand types: string - string in /in/kjsH9:11 Stack trace: #0 {main} thrown in /in/kjsH9 on line 11
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
-1 -32 Warning: A non-numeric value encountered in /in/kjsH9 on line 11 Warning: A non-numeric value encountered in /in/kjsH9 on line 11 Warning: A non-numeric value encountered in /in/kjsH9 on line 12 Warning: A non-numeric value encountered in /in/kjsH9 on line 12 0 0
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
-1 -32 0 0
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/kjsH9 on line 8 -1PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/kjsH9 on line 9 -32PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/kjsH9 on line 14 0PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/kjsH9 on line 15 0PHP_EOL

preferences:
323.09 ms | 402 KiB | 464 Q