3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Psl\Class; function exists(): bool { return false; }

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)
8.3.70.0160.00318.18
8.3.60.0140.00718.15
8.3.50.0070.01317.85
8.3.40.0070.00718.77
8.3.30.0100.00718.58
8.3.20.0030.00524.18
8.3.10.0040.00424.66
8.3.00.0050.00326.16
8.2.190.0100.01016.58
8.2.180.0140.00325.92
8.2.170.0090.00618.89
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0030.00624.66
8.2.130.0050.00326.16
8.2.120.0040.00426.16
8.2.110.0100.00019.38
8.2.100.0110.00017.78
8.2.90.0080.00019.01
8.2.80.0000.00817.97
8.2.70.0040.00417.36
8.2.60.0050.00217.93
8.2.50.0080.00018.05
8.2.40.0040.00419.72
8.2.30.0040.00417.80
8.2.20.0000.00718.00
8.2.10.0040.00419.05
8.2.00.0040.00419.04
8.1.280.0100.00725.92
8.1.270.0040.00422.19
8.1.260.0000.01126.35
8.1.250.0040.00428.09
8.1.240.0040.00422.61
8.1.230.0000.01117.76
8.1.220.0050.00517.74
8.1.210.0040.00418.77
8.1.200.0050.00317.23
8.1.190.0000.00817.10
8.1.180.0050.00318.10
8.1.170.0040.00418.52
8.1.160.0000.00719.00
8.1.150.0040.00418.80
8.1.140.0080.00018.67
8.1.130.0000.00820.06
8.1.120.0000.00817.28
8.1.110.0100.00017.34
8.1.100.0070.00317.23
8.1.90.0030.00317.25
8.1.80.0060.00317.36
8.1.70.0030.00317.31
8.1.60.0040.00417.46
8.1.50.0040.00417.39
8.1.40.0080.00017.39
8.1.30.0070.00017.56
8.1.20.0080.00017.34
8.1.10.0030.00717.39
8.1.00.0030.00517.34
8.0.300.0090.00018.77
8.0.290.0000.00716.58
8.0.280.0000.00818.43
8.0.270.0070.00017.86
8.0.260.0040.00418.47
8.0.250.0030.00316.73
8.0.240.0040.00416.78
8.0.230.0020.00516.84
8.0.220.0030.00316.78
8.0.210.0070.00416.71
8.0.200.0000.00716.68
8.0.190.0000.00716.80
8.0.180.0040.00416.78
8.0.170.0060.00316.68
8.0.160.0060.00316.76
8.0.150.0030.00316.67
8.0.140.0110.00016.75
8.0.130.0030.00313.12
8.0.120.0040.00416.77
8.0.110.0000.00816.79
8.0.100.0030.00316.59
8.0.90.0070.00016.57
8.0.80.0100.00516.76
8.0.70.0000.00716.70
8.0.60.0000.00716.71
8.0.50.0040.00416.59
8.0.30.0220.00716.62
8.0.20.0210.00916.82
8.0.10.0180.00916.82
8.0.00.0130.00316.77
7.4.330.0000.00515.55
7.4.320.0030.00316.45
7.4.300.0030.00316.48
7.4.290.0000.00716.29
7.4.280.0000.00716.48
7.4.270.0000.00716.44
7.4.260.0000.00513.24
7.4.250.0050.00216.43
7.4.240.0030.00616.47
7.4.230.0060.00016.27
7.4.220.0040.00416.28
7.4.210.0100.00416.34
7.4.200.0060.00316.20
7.4.160.0230.00916.43
7.4.150.0200.01016.51
7.4.140.0230.00516.38
7.4.130.0220.01016.29
7.4.120.0280.00616.27
7.4.110.0280.00316.39
7.4.100.0130.01916.39
7.4.90.0160.01316.05
7.4.80.0220.01116.27
7.4.70.0150.01516.32
7.4.60.0210.01116.22
7.4.50.0150.01316.22
7.4.40.0180.00916.07
7.4.30.0200.00516.32
7.4.20.0180.00816.23
7.4.10.0140.01116.34
7.4.00.0170.01016.23
7.3.330.0040.00416.00
7.3.320.0060.00012.98
7.3.310.0030.00316.30
7.3.300.0030.00316.16
7.3.290.0080.00616.22
7.3.280.0230.00416.14
7.3.270.0270.01016.04
7.3.260.0210.01216.14
7.3.250.0160.01316.24
7.3.240.0290.00416.10
7.3.230.0250.00616.15
7.3.220.0300.00416.12
7.3.210.0190.01316.16
7.3.200.0230.00916.09
7.3.190.0310.00316.11
7.3.180.0190.00916.08
7.3.170.0250.01116.08
7.3.160.0150.01516.04
7.3.150.0220.00716.07
7.3.140.0190.01116.10
7.3.130.0250.00516.05
7.3.120.0180.00915.99
7.3.110.0230.00916.08
7.3.100.0290.00016.00
7.3.90.0240.00316.41
7.3.80.0130.01716.07
7.3.70.0250.00416.01
7.3.60.0210.01016.25
7.3.50.0290.00316.18
7.3.40.0270.01216.20
7.3.30.0150.01216.22
7.3.20.0250.00916.25
7.3.10.0200.01616.15
7.3.00.0240.01016.21

preferences:
17.93 ms | 401 KiB | 5 Q