3v4l.org

run code in 300+ PHP versions simultaneously
<?php @preg_match('not a regex', ''); preg_match('not a regex', '');

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)
8.3.130.0050.00318.59
8.3.120.0030.00619.04
8.3.110.0000.01520.94
8.3.100.0110.00016.40
8.3.90.0050.00326.77
8.3.80.0100.00018.41
8.3.70.0110.00716.71
8.3.60.0130.01016.60
8.3.50.0070.00720.32
8.3.40.0140.00018.52
8.3.30.0060.00918.59
8.3.20.0070.00724.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.250.0080.00016.70
8.2.240.0090.00017.03
8.2.230.0060.00322.58
8.2.220.0040.00424.06
8.2.210.0130.00426.77
8.2.200.0100.00016.50
8.2.190.0120.00616.63
8.2.180.0100.00725.92
8.2.170.0040.01118.82
8.2.160.0130.00322.96
8.2.150.0070.00025.66
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00021.03
8.2.110.0070.00320.94
8.2.100.0030.01017.78
8.2.90.0040.00419.53
8.2.80.0060.00318.03
8.2.70.0040.00417.80
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0040.00418.22
8.2.30.0040.00418.05
8.2.20.0040.00420.30
8.2.10.0040.00417.57
8.2.00.0000.00719.19
8.1.300.0030.00518.11
8.1.290.0030.00630.84
8.1.280.0000.01425.92
8.1.270.0090.00023.99
8.1.260.0030.00626.35
8.1.250.0070.00028.09
8.1.240.0040.00419.36
8.1.230.0030.00822.54
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0050.00317.10
8.1.190.0080.00017.11
8.1.180.0040.00418.10
8.1.170.0040.00418.64
8.1.160.0050.00218.77
8.1.150.0000.00718.60
8.1.140.0000.00717.38
8.1.130.0070.00017.29
8.1.120.0030.00317.38
8.1.110.0020.00517.26
8.1.100.0000.00817.39
8.1.90.0000.00717.30
8.1.80.0000.01017.29
8.1.70.0040.00417.42
8.1.60.0000.00717.48
8.1.50.0030.00617.48
8.1.40.0000.00817.41
8.1.30.0040.00417.42
8.1.20.0030.00617.58
8.1.10.0160.00617.43
8.1.00.0180.00617.38
8.0.300.0050.00219.91
8.0.290.0000.00816.75
8.0.280.0030.00620.05
8.0.270.0000.00719.80
8.0.260.0000.00716.77
8.0.250.0070.00016.91
8.0.240.0030.00316.85
8.0.230.0000.00716.96
8.0.220.0000.00716.86
8.0.210.0070.00016.78
8.0.200.0040.00416.91
8.0.190.0080.00016.93
8.0.180.0040.00416.91
8.0.170.0060.00316.75
8.0.160.0070.00016.90
8.0.150.0140.00516.82
8.0.140.0130.00516.86
8.0.130.0170.00516.72
8.0.120.0160.00416.82
8.0.110.0160.00416.73
8.0.100.0170.00016.74
8.0.90.0120.00416.71
8.0.80.0160.00316.67
8.0.70.0160.00216.63
8.0.60.0170.00316.70
8.0.50.0140.00516.88
8.0.30.0190.00316.84
8.0.20.0190.00416.83
8.0.10.0120.00616.94
7.4.330.0030.00315.55
7.4.320.0060.00016.52
7.4.300.0000.00616.46
7.4.290.0030.00616.38
7.4.280.0030.00516.55
7.4.270.0180.00716.30
7.4.260.0220.00316.54
7.4.250.0170.00016.48
7.4.240.0090.00816.53
7.4.230.0120.00216.39
7.4.220.0170.00016.38
7.4.210.0130.00516.46
7.4.200.0140.00216.38
7.4.190.0160.00016.57
7.4.180.0210.00016.37
7.4.160.0160.00416.50
7.4.150.0210.00016.39
7.4.140.0160.00816.38
7.4.130.0160.00316.38
7.4.120.0160.00316.13
7.4.110.0160.00516.27
7.4.100.0190.00316.36
7.4.90.0150.00316.29
7.4.80.0120.00316.30
7.4.70.0000.00916.14
7.4.60.0050.00216.27
7.4.50.0040.00416.24
7.4.40.0000.00916.00
7.4.30.0070.00316.19
7.4.20.0090.00316.14
7.4.10.0030.01016.41
7.4.00.0100.00016.31

preferences:
27.51 ms | 403 KiB | 5 Q