3v4l.org

run code in 300+ PHP versions simultaneously
<?php$pattern = '/(?:(?:\+?1\s*(?:[.-]\s*)?)?(?:\(\s*([2-9]1[02-9]|[2-9][02-8]1|[2-9][02-8][02-9])\s*\)|([2-9]1[02-9]|[2-9][02-8]1|[2-9][02-8][02-9]))\s*(?:[.-]\s*)?)?([2-9]1[02-9]|[2-9][02-9]1|[2-9][02-9]{2})\s*(?:[.-]\s*)?([0-9]{4})(?:\s*(?:#|x\.?|ext\.?|extension)\s*(\d+))?$/'; preg_match($pattern, 'foo');

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)
8.3.70.0070.01016.58
8.3.60.0120.00318.39
8.3.50.0150.00322.79
8.3.40.0100.00318.66
8.3.30.0140.00019.10
8.3.20.0050.00320.34
8.3.10.0040.00421.60
8.3.00.0070.00317.50
8.2.180.0060.01216.38
8.2.170.0200.00022.96
8.2.160.0120.00320.47
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0160.00026.16
8.2.120.0040.00420.97
8.2.110.0000.00922.08
8.2.100.0040.00717.78
8.2.90.0040.00419.04
8.2.80.0030.00617.97
8.2.70.0080.00017.50
8.2.60.0070.00317.68
8.2.50.0030.00618.07
8.2.40.0070.00018.09
8.2.30.0040.00417.82
8.2.20.0040.00417.62
8.2.10.0070.00017.96
8.2.00.0040.00417.40
8.1.280.0120.00625.92
8.1.270.0060.00324.01
8.1.260.0070.00726.35
8.1.250.0070.01128.09
8.1.240.0090.00023.84
8.1.230.0080.00417.46
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0080.00017.23
8.1.190.0040.00417.10
8.1.180.0030.00618.10
8.1.170.0050.00320.20
8.1.160.0040.00422.00
8.1.150.0000.00818.74
8.1.140.0030.00517.25
8.1.130.0030.00317.63
8.1.120.0040.00417.31
8.1.110.0030.00617.37
8.1.100.0000.00717.35
8.1.90.0030.00317.25
8.1.80.0050.00317.25
8.1.70.0000.00717.25
8.1.60.0040.00417.48
8.1.50.0050.00317.43
8.1.40.0060.00317.32
8.1.30.0000.00817.42
8.1.20.0000.00817.55
8.1.10.0040.00417.33
8.1.00.0000.00817.38
8.0.300.0030.00618.77
8.0.290.0030.00716.63
8.0.280.0030.00318.41
8.0.270.0030.00317.18
8.0.260.0030.00317.21
8.0.250.0000.00716.77
8.0.240.0080.00016.71
8.0.230.0000.00716.68
8.0.220.0030.00316.76
8.0.210.0000.00716.73
8.0.200.0030.00616.73
8.0.190.0000.00716.72
8.0.180.0040.00416.63
8.0.170.0060.00316.74
8.0.160.0030.00616.89
8.0.150.0030.00316.65
8.0.140.0070.00016.75
8.0.130.0030.00313.32
8.0.120.0020.00516.69
8.0.110.0040.00416.74
8.0.100.0030.00516.66
8.0.90.0000.00716.59
8.0.80.0110.00616.71
8.0.70.0000.00816.64
8.0.60.0000.00716.73
8.0.50.0050.00316.66
8.0.30.0130.00717.05
8.0.20.0100.00817.40
8.0.10.0050.00216.66
8.0.00.0120.01116.63
7.4.330.0020.00215.04
7.4.320.0000.00616.43
7.4.300.0000.00616.52
7.4.290.0000.00716.36
7.4.280.0070.00016.51
7.4.270.0050.00316.39
7.4.260.0000.00716.46
7.4.250.0040.00416.33
7.4.240.0050.00216.45
7.4.230.0030.00316.54
7.4.220.0060.01916.49
7.4.210.0090.00616.39
7.4.200.0000.00716.52
7.4.160.0060.00916.34
7.4.150.0130.00617.40
7.4.140.0090.00817.86
7.4.130.0060.00916.34
7.4.120.0070.01116.22
7.4.110.0060.01216.43
7.4.100.0100.00716.52
7.4.90.0140.00316.29
7.4.80.0090.00919.39
7.4.70.0110.00616.52
7.4.60.0080.00816.52
7.4.50.0040.00416.41
7.4.40.0150.00916.42
7.4.30.0080.01116.57
7.3.330.0090.00013.11
7.3.320.0000.00613.16
7.3.310.0000.00716.25
7.3.300.0030.00316.17
7.3.290.0100.01016.20
7.3.280.0090.00916.10
7.3.270.0120.01217.40
7.3.260.0160.00316.09
7.3.250.0050.01116.47
7.3.240.0100.00716.24
7.3.230.0060.01216.43
7.3.210.0070.01016.38
7.3.200.0090.01319.39
7.3.190.0110.00716.10
7.3.180.0070.01016.30
7.3.170.0060.00916.27
7.3.160.0130.00816.38
7.2.330.0090.00916.30
7.2.320.0060.01216.46
7.2.310.0040.01216.43
7.2.300.0090.00616.38
7.2.290.0100.00716.49
5.4.320.0050.03912.45
5.4.310.0090.03612.45
5.4.300.0080.03912.45
5.4.290.0060.03912.45
5.4.280.0060.03612.35
5.4.270.0070.03812.35
5.4.260.0070.03712.35
5.4.250.0070.03912.35
5.4.240.0060.03712.34
5.4.230.0040.04112.34
5.4.220.0060.03612.34
5.4.210.0070.03712.34
5.4.200.0070.03812.34
5.4.190.0070.03812.33
5.4.180.0060.03612.33
5.4.170.0070.03512.34
5.4.160.0060.03512.34
5.4.150.0070.03812.34
5.4.140.0060.03712.02
5.4.130.0070.03412.01
5.4.120.0060.03711.97
5.4.110.0050.03711.96
5.4.100.0050.03511.96
5.4.90.0070.03811.96
5.4.80.0070.03811.96
5.4.70.0040.03711.96
5.4.60.0060.03511.96
5.4.50.0040.03611.96
5.4.40.0040.04211.95
5.4.30.0060.04011.95
5.4.20.0060.03611.95
5.4.10.0080.03511.95
5.4.00.0060.04511.44
5.3.290.0070.03912.80
5.3.280.0070.04612.71
5.3.270.0060.04012.72
5.3.260.0060.03912.72
5.3.250.0060.04112.72
5.3.240.0070.03812.72
5.3.230.0040.03912.71
5.3.220.0050.03712.68
5.3.210.0070.03912.68
5.3.200.0060.03712.68
5.3.190.0070.04012.68
5.3.180.0060.03812.67
5.3.170.0070.03612.67
5.3.160.0060.03912.67
5.3.150.0060.03712.67
5.3.140.0050.04012.66
5.3.130.0080.03812.65
5.3.120.0060.03912.66
5.3.110.0070.03912.66
5.3.100.0050.04012.12
5.3.90.0070.03812.08
5.3.80.0040.03912.08
5.3.70.0060.03612.08
5.3.60.0050.03812.07
5.3.50.0080.03712.00
5.3.40.0050.03812.00
5.3.30.0060.03611.94
5.3.20.0070.03511.72
5.3.10.0060.03511.69
5.3.00.0050.03711.67

preferences:
33.78 ms | 401 KiB | 5 Q