3v4l.org

run code in 300+ PHP versions simultaneously
<?php $T1 = 05; $T2 = 00; $T1 = intval($T1); if($T1>=5) $T1 -= 5; else $T1 = $T1+20; if($T2>=30) $T2 -= 30; else { $T2 += 30; $T1 -= 1; } echo $T1; echo $T2;
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, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
-130

preferences:
206.27 ms | 404 KiB | 259 Q