3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f_false():int|false{ // perfectly legal (php>=8) return false; } function f_true():int|true{ // .. Fatal error: Cannot use 'true' as class name return true; }

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)
8.3.70.0320.00016.58
8.3.60.0230.00716.58
8.3.50.0190.00517.44
8.3.40.0210.00317.19
8.3.30.0170.00719.06
8.3.20.0170.00520.00
8.3.10.0180.00319.89
8.3.00.0140.00719.02
8.2.190.0220.00216.58
8.2.180.0230.00216.58
8.2.170.0140.00817.44
8.2.160.0170.00619.20
8.2.150.0220.00119.19
8.2.140.0150.00719.11
8.2.130.0200.00619.06
8.2.120.0150.00519.23
8.2.110.0190.00119.20
8.2.100.0190.00619.24
8.2.90.0160.00619.32
8.2.80.0160.00419.19
8.2.70.0160.00618.71
8.2.60.0170.00518.52
8.2.50.0170.00518.68
8.2.40.0140.00518.70
8.2.30.0150.00418.74
8.2.20.0150.00418.71
8.2.10.0170.00218.80
8.2.00.0110.00618.99
8.1.280.0230.00216.58
8.1.270.0200.00719.35
8.1.260.0290.00619.44
8.1.250.0210.00619.36
8.1.240.0170.00618.98
8.1.230.0150.00719.02
8.1.220.0220.00318.94
8.1.210.0210.00918.86
8.1.200.0210.01218.98
8.1.190.0200.00518.39
8.1.180.0150.00918.46
8.1.170.0150.00518.46
8.1.160.0150.00718.50
8.1.150.0150.00718.51
8.1.140.0180.00418.44
8.1.130.0160.00418.39
8.1.120.0150.00618.48
8.1.110.0130.00618.54
8.1.100.0110.00618.33
8.1.90.0060.00717.64
8.1.80.0090.00517.76
8.1.70.0090.00617.83
8.1.60.0100.00717.90
8.1.50.0130.00617.80
8.1.40.0120.00517.73
8.1.30.0120.00617.79
8.1.20.0140.00617.84
8.1.10.0130.00517.62
8.1.00.0110.00717.63
8.0.300.0120.01418.71
8.0.290.0210.00718.71
8.0.280.0200.00718.16
8.0.270.0170.00918.16
8.0.260.0220.00418.16
8.0.250.0240.00518.17
8.0.240.0190.00718.17
8.0.230.0150.00917.89
8.0.220.0120.00517.46
8.0.210.0140.00617.56
8.0.200.0140.00417.40
8.0.190.0120.00617.36
8.0.180.0140.00517.29
8.0.170.0140.00417.19
8.0.160.0140.00517.22
8.0.150.0160.00417.20
8.0.140.0120.00617.15
8.0.130.0120.00417.09
8.0.120.0130.00416.50
8.0.110.0070.00516.61
8.0.100.0090.00416.59
8.0.90.0090.00416.61
8.0.80.0090.00416.61
8.0.70.0060.00616.60
8.0.60.0070.00516.60
8.0.50.0080.00416.55
8.0.30.0070.00616.60
8.0.20.0070.00516.71
8.0.10.0090.00416.71
8.0.00.0060.00416.75
7.4.330.0200.00218.16
7.4.320.0170.00518.16
7.4.300.0140.00417.14
7.4.290.0120.00517.08
7.4.280.0140.00516.92
7.4.270.0130.00516.92
7.4.260.0130.00516.78
7.4.250.0120.00516.23
7.4.240.0090.00516.30
7.4.230.0090.00416.25
7.4.220.0080.00416.30
7.4.210.0080.00416.31
7.4.200.0080.00416.27
7.4.190.0080.00416.35
7.4.180.0080.00416.34
7.4.160.0080.00416.29
7.4.150.0090.00416.27
7.4.140.0080.00416.18
7.4.130.0080.00416.16
7.4.120.0070.00516.13
7.4.110.0070.00416.16
7.4.100.0070.00416.24
7.4.90.0080.00316.15
7.4.80.0080.00316.12
7.4.70.0060.00516.15
7.4.60.0080.00416.18
7.4.50.0080.00416.09
7.4.40.0070.00416.08
7.4.30.0060.00516.14
7.4.20.0060.00516.14
7.4.10.0060.00416.15
7.4.00.0070.00416.15
7.3.330.0140.00516.60
7.3.320.0120.00516.05
7.3.310.0090.00416.07
7.3.300.0090.00416.09
7.3.290.0090.00516.08
7.3.280.0090.00416.10
7.3.270.0080.00516.06
7.3.260.0090.00316.10
7.3.250.0090.00416.07
7.3.240.0090.00416.08
7.3.230.0090.00416.07
7.3.220.0090.00416.02
7.3.210.0090.00416.02
7.3.200.0090.00416.01
7.3.190.0100.00416.05
7.3.180.0090.00416.04
7.3.170.0080.00516.04
7.3.160.0080.00516.06
7.3.150.0080.00416.05
7.3.140.0090.00416.03
7.3.130.0100.00316.03
7.3.120.0070.00516.07
7.3.110.0090.00415.96
7.3.100.0090.00415.97
7.3.90.0080.00516.29
7.3.80.0090.00416.04
7.3.70.0080.00416.07
7.3.60.0080.00416.11
7.3.50.0080.00416.15
7.3.40.0080.00416.13
7.3.30.0080.00416.14
7.3.20.0090.00417.55
7.3.10.0090.00417.53
7.3.00.0090.00517.52

preferences:
135.85 ms | 1398 KiB | 7 Q