3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(log10(2*2*10)); var_dump(log10(3*3*10)); var_dump(log10(4*4*10));
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
float(1.6020599913279625) float(1.9542425094393248) float(2.204119982655925)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 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, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
float(1.602059991328) float(1.9542425094393) float(2.2041199826559)
preferences:
220.95 ms | 405 KiB | 308 Q