3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo '4lkjlfkdjs' - 'flfksdjjlkj2lkjskdjfl';
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
Warning: A non-numeric value encountered in /in/LjPDF on line 2 Fatal error: Uncaught TypeError: Unsupported operand types: string - string in /in/LjPDF:2 Stack trace: #0 {main} thrown in /in/LjPDF on line 2
Process exited with code 255.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: A non well formed numeric value encountered in /in/LjPDF on line 2 Warning: A non-numeric value encountered in /in/LjPDF on line 2 4
Output for 7.3.32 - 7.3.33
Warning: A non-numeric value encountered in /in/LjPDF on line 2 4
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
4

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164.66 ms | 402 KiB | 223 Q