3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t1 = '05:00:00'; $t2 = '06:00:00'; echo $t1 - $t2;
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
Warning: A non-numeric value encountered in /in/kgRuN on line 7 Warning: A non-numeric value encountered in /in/kgRuN on line 7 -1
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: A non well formed numeric value encountered in /in/kgRuN on line 7 Notice: A non well formed numeric value encountered in /in/kgRuN on line 7 -1
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.3.32 - 7.3.33
-1
preferences:
209.36 ms | 402 KiB | 274 Q