3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(null < 2); var_dump(null < -5); var_dump(null < (double)"-5e10"); var_dump(null < (double)"5e10"); var_dump(null < -INF); var_dump(null < INF); var_dump(null < (double)0); var_dump(null < 0);
Output for 8.5.0 - 8.5.3
Deprecated: Non-canonical cast (double) is deprecated, use the (float) cast instead in /in/MVDH0 on line 5 Deprecated: Non-canonical cast (double) is deprecated, use the (float) cast instead in /in/MVDH0 on line 6 Deprecated: Non-canonical cast (double) is deprecated, use the (float) cast instead in /in/MVDH0 on line 10 bool(true) bool(true) bool(true) bool(true) bool(true) bool(true) bool(false) bool(false)
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18
bool(true) bool(true) bool(true) bool(true) bool(true) bool(true) bool(false) bool(false)

preferences:
120.84 ms | 2122 KiB | 4 Q