Online PHP editor | output for savXL

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, 5.5.35, 5.6.21 - 5.6.28, 7.0.6 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: float(0.2) float(0.2) float(0.2) float(0)
Output for 7.0.0 - 7.0.5, 7.3.32 - 7.3.33, 7.4.26, 7.4.33, 8.0.13: float(0.2) float(0.2) float(0.2) Fatal error: Uncaught Error: Call to undefined function bcpow() in /in/savXL:5 Stack trace: #0 {main} thrown in /in/savXL on line 5
Process exited with code 255.
Output for 5.5.0 - 5.5.34, 5.6.0 - 5.6.20: float(0.2) float(0.2) float(0.2) Fatal error: Call to undefined function bcpow() in /in/savXL on line 5
Process exited with code 255.