3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "2013-12-04"-"1991-03-01"; ?>
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/3HLel on line 2 Warning: A non-numeric value encountered in /in/3HLel on line 2 22
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: A non well formed numeric value encountered in /in/3HLel on line 2 Notice: A non well formed numeric value encountered in /in/3HLel on line 2 22
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.3.32 - 7.3.33, 7.4.26
22

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163.44 ms | 402 KiB | 257 Q