3v4l.org

run code in 300+ PHP versions simultaneously
<?php $re = '([-_.\\w]+)i'; var_dump(preg_match($re, ''));

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)
8.3.60.0000.01618.56
8.3.50.0100.00716.31
8.3.40.0090.00618.89
8.3.30.0120.00318.61
8.3.20.0000.00720.38
8.3.10.0030.00621.85
8.3.00.0040.00419.56
8.2.180.0120.00616.63
8.2.170.0150.00022.96
8.2.160.0000.01419.04
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0000.00719.45
8.2.120.0070.00026.35
8.2.110.0090.00022.10
8.2.100.0090.00317.84
8.2.90.0050.00519.23
8.2.80.0040.00417.97
8.2.70.0060.00617.75
8.2.60.0000.00817.80
8.2.50.0050.00518.10
8.2.40.0040.00420.64
8.2.30.0040.00419.07
8.2.20.0000.00818.03
8.2.10.0030.00517.98
8.2.00.0070.00018.07
8.1.280.0070.00725.92
8.1.270.0040.00422.05
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00024.02
8.1.230.0040.00719.05
8.1.220.0030.00717.74
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0000.00817.35
8.1.180.0000.00718.10
8.1.170.0040.00818.63
8.1.160.0000.00718.94
8.1.150.0040.00420.51
8.1.140.0070.00019.49
8.1.130.0030.00318.77
8.1.120.0040.00417.55
8.1.110.0030.00517.49
8.1.100.0030.00517.55
8.1.90.0030.00517.57
8.1.80.0030.00317.52
8.1.70.0030.00317.45
8.1.60.0040.00417.67
8.1.50.0030.00517.61
8.1.40.0020.00517.56
8.1.30.0030.00517.73
8.1.20.0070.00317.75
8.1.10.0000.00817.60
8.1.00.0090.00017.52
8.0.300.0000.00818.77
8.0.290.0000.00716.75
8.0.280.0040.00418.40
8.0.270.0000.00717.21
8.0.260.0000.00816.86
8.0.250.0030.00517.07
8.0.240.0070.00316.96
8.0.230.0000.00716.98
8.0.220.0000.00716.98
8.0.210.0040.00417.00
8.0.200.0030.00316.89
8.0.190.0000.00817.00
8.0.180.0000.00716.95
8.0.170.0000.00716.96
8.0.160.0060.00316.94
8.0.150.0030.00316.88
8.0.140.0000.00716.95
8.0.130.0000.00613.36
8.0.120.0040.00416.77
8.0.110.0000.00816.84
8.0.100.0070.00017.00
8.0.90.0000.00717.00
8.0.80.0090.00616.97
8.0.70.0040.00416.84
8.0.60.0040.00416.98
8.0.50.0000.00817.03
8.0.30.0130.00617.11
8.0.20.0090.01017.40
8.0.10.0000.00716.91
8.0.00.0120.00916.84
7.4.330.0050.00015.55
7.4.320.0030.00316.72
7.4.300.0000.00716.61
7.4.290.0030.00616.71
7.4.280.0060.00316.73
7.4.270.0030.00316.57
7.4.260.0030.00316.63
7.4.250.0000.00716.72
7.4.240.0030.00516.56
7.4.230.0030.00316.72
7.4.220.0090.00916.55
7.4.210.0110.00716.77
7.4.200.0070.00016.77
7.4.160.0070.00816.47
7.4.150.0120.00617.40
7.4.140.0090.01117.86
7.4.130.0090.00916.70
7.4.120.0100.00916.57
7.4.110.0070.01116.55
7.4.100.0090.00916.71
7.4.90.0070.01616.85
7.4.80.0100.00719.39
7.4.70.0030.01316.59
7.4.60.0100.00716.52
7.4.50.0070.00716.59
7.4.40.0060.01016.68
7.4.30.0140.00416.52
7.4.00.0090.00615.12
7.3.330.0020.00213.16
7.3.320.0000.00613.01
7.3.310.0070.00016.38
7.3.300.0030.00516.30
7.3.290.0090.00916.24
7.3.280.0070.01116.26
7.3.270.0150.00317.40
7.3.260.0070.01316.57
7.3.250.0110.00616.25
7.3.240.0100.00816.58
7.3.230.0060.01316.51
7.3.210.0070.01016.52
7.3.200.0100.01016.60
7.3.190.0070.00716.73
7.3.180.0140.00316.51
7.3.170.0030.01316.32
7.3.160.0060.00916.46
7.2.330.0070.01016.46
7.2.320.0100.00716.73
7.2.310.0150.00416.57
7.2.300.0060.01016.63
7.2.290.0100.01316.53
7.2.60.0090.00316.98
7.2.00.0000.01319.30
7.1.200.0000.01416.01
7.1.100.0270.00817.68
7.1.70.0100.00317.45
7.1.60.0150.01135.23
7.1.50.0190.00935.05
7.1.40.0190.01034.35
7.1.30.0190.00934.86
7.1.20.0190.01034.73
7.1.10.0030.01016.77
7.1.00.0070.00716.77
7.0.200.0030.00916.70
7.0.190.0000.01217.02
7.0.180.0030.01016.47
7.0.170.0030.00916.40
7.0.160.0060.00916.44
7.0.150.0030.00916.40
7.0.140.0000.01416.50
7.0.130.0000.02016.57
7.0.120.0080.00816.48
7.0.110.0080.00416.39
7.0.100.0090.00616.41
7.0.90.0070.00716.49
7.0.80.0040.00816.59
7.0.70.0040.01116.44
7.0.60.0040.00816.43
7.0.50.0070.00716.70
7.0.40.0090.00316.62
7.0.30.0090.00316.58
7.0.20.0030.01216.41
7.0.10.0030.01316.69
7.0.00.0040.01116.63

preferences:
45.86 ms | 400 KiB | 5 Q