3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { function x() { echo 'x' . chr(10); } } class b extends a { function y() { echo 'y' . chr(10); self::x(); $this->x(); } } class c extends b { function z() { echo 'z' . chr(10); self::y(); } function x() { echo 'x2' . chr(10); } } echo (new c)->z();

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.4.120.0100.00820.35
8.4.110.0130.00822.52
8.4.100.0120.00618.72
8.4.90.0120.00720.71
8.4.80.0110.00818.73
8.4.70.0040.00420.54
8.4.60.0100.01118.76
8.4.50.0040.00520.20
8.4.40.0040.00417.47
8.4.30.0060.01018.61
8.4.20.0160.00317.65
8.4.10.0090.00619.20
8.3.250.0140.00520.47
8.3.240.0030.00516.39
8.3.230.0040.00516.55
8.3.220.0090.01019.11
8.3.210.0130.00518.54
8.3.200.0050.00516.65
8.3.190.0140.00617.06
8.3.180.0110.00716.46
8.3.170.0120.00817.17
8.3.160.0070.01316.48
8.3.150.0090.00920.59
8.3.140.0070.01117.01
8.3.130.0060.00318.27
8.3.120.0030.00618.84
8.3.110.0090.00020.94
8.3.100.0060.01024.06
8.3.90.0050.00326.77
8.3.80.0040.00417.97
8.3.70.0090.00916.38
8.3.60.0150.00316.50
8.3.50.0150.00718.63
8.3.40.0090.00623.79
8.3.30.0110.00318.91
8.3.20.0070.00024.18
8.3.10.0070.00024.66
8.3.00.0080.00026.16
8.2.290.0100.00920.66
8.2.280.0060.00418.46
8.2.270.0110.00717.18
8.2.260.0120.00616.33
8.2.250.0040.00416.78
8.2.240.0040.00416.96
8.2.230.0050.00322.58
8.2.220.0050.00337.54
8.2.210.0040.00426.77
8.2.200.0060.00318.41
8.2.190.0040.01116.63
8.2.180.0070.00716.32
8.2.170.0160.00322.96
8.2.160.0090.00922.96
8.2.150.0000.00725.66
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0110.00419.24
8.2.110.0040.00719.32
8.2.100.0320.00318.44
8.2.90.0240.00518.44
8.2.80.0240.00818.44
8.2.70.0280.00418.44
8.2.60.0210.00818.44
8.2.50.0300.00718.44
8.2.40.0290.00718.44
8.2.30.0230.00318.44
8.2.20.0200.00618.44
8.2.10.0260.00318.44
8.2.00.0150.01018.44
8.1.330.0110.00821.91
8.1.320.0150.00316.22
8.1.310.0040.00418.37
8.1.300.0150.00420.13
8.1.290.0000.01030.84
8.1.280.0140.00725.92
8.1.270.0080.00024.66
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0150.00623.92
8.1.230.0240.00318.44
8.1.220.0230.00318.44
8.1.210.0200.00818.44
8.1.200.0260.00018.44
8.1.190.0170.00918.44
8.1.180.0110.01518.44
8.1.170.0180.00818.44
8.1.160.0180.00718.44
8.1.150.0250.00318.44
8.1.140.0260.00018.44
8.1.130.0230.00518.44
8.1.120.0190.00618.44
8.1.110.0200.00718.44
8.1.100.0240.00218.44
8.1.90.0190.00618.44
8.1.80.0180.00918.44
8.1.70.0220.00418.44
8.1.60.0240.00318.44
8.1.50.0130.01018.44
8.1.40.0170.00718.44
8.1.30.0270.00018.44
8.1.20.0170.00918.44
8.1.10.0230.00418.44
8.1.00.0240.00018.44
8.0.300.0250.00018.44
8.0.290.0220.00718.44
8.0.280.0160.01218.44
8.0.270.0210.00818.44
8.0.260.0310.00318.44
8.0.250.0290.00418.44
8.0.240.0210.00618.44
8.0.230.0230.00318.44
8.0.220.0270.00318.44
8.0.210.0220.00618.44
8.0.200.0210.00718.44
8.0.190.0290.00018.44
8.0.180.0210.00818.44
8.0.170.0130.01318.44
8.0.160.0270.00018.44
8.0.150.0170.00618.44
8.0.140.0200.00818.44
8.0.130.0210.00018.44
8.0.120.0160.00818.44
8.0.110.0240.00318.44
8.0.100.0210.00618.44
8.0.90.0260.00018.44
8.0.80.0170.00618.44
8.0.70.0180.00918.44
8.0.60.0270.00018.44
8.0.50.0180.00918.44
8.0.30.0210.00718.44
8.0.20.0230.00418.44
8.0.10.0250.00318.44

preferences:
26.31 ms | 403 KiB | 5 Q