3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = preg_match('/[A-Z]{2}/', $country_code); var_dump($a);

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)
8.3.60.0040.01116.75
8.3.50.0140.00922.07
8.3.40.0030.01218.97
8.3.30.0060.01619.00
8.3.20.0000.00720.21
8.3.10.0080.00023.61
8.3.00.0090.00019.52
8.2.180.0090.00616.63
8.2.170.0070.01122.96
8.2.160.0100.00320.41
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0050.00817.73
8.2.110.0030.00620.36
8.2.100.0080.00318.04
8.2.90.0080.00018.22
8.2.80.0000.01017.97
8.2.70.0040.00417.75
8.2.60.0060.00317.93
8.2.50.0080.00318.07
8.2.40.0000.01119.53
8.2.30.0060.00319.75
8.2.20.0030.00617.83
8.2.10.0050.00218.11
8.2.00.0040.00418.04
8.1.280.0070.00725.92
8.1.270.0000.01224.02
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0050.00522.10
8.1.230.0000.01120.80
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0040.00417.22
8.1.180.0090.00018.10
8.1.170.0000.00818.60
8.1.160.0040.00421.91
8.1.150.0030.00518.72
8.1.140.0000.00819.58
8.1.130.0000.00717.70
8.1.120.0000.00717.56
8.1.110.0040.00417.55
8.1.100.0000.00817.57
8.1.90.0000.00717.54
8.1.80.0040.00417.49
8.1.70.0000.00717.54
8.1.60.0020.00517.68
8.1.50.0000.00917.57
8.1.40.0040.00417.58
8.1.30.0000.00817.64
8.1.20.0000.00817.57
8.1.10.0040.00417.55
8.1.00.0030.00517.51
8.0.300.0040.00420.14
8.0.290.0080.00016.88
8.0.280.0040.00418.36
8.0.270.0000.00717.13
8.0.260.0000.00717.13
8.0.250.0050.00217.09
8.0.240.0000.00716.98
8.0.230.0000.00717.14
8.0.220.0030.00316.91
8.0.210.0040.00417.02
8.0.200.0040.00416.96
8.0.190.0000.00816.96
8.0.180.0000.00717.07
8.0.170.0040.00416.94
8.0.160.0070.00017.03
8.0.150.0040.00416.92
8.0.140.0000.00716.98
8.0.130.0000.00613.41
8.0.120.0020.00516.88
8.0.110.0040.00417.02
8.0.100.0000.00716.90
8.0.90.0000.00717.07
8.0.80.0140.00017.00
8.0.70.0020.00517.07
8.0.60.0040.00416.82
8.0.50.0000.00717.03
8.0.30.0090.00917.34
8.0.20.0100.01017.40
8.0.10.0040.00417.05
8.0.00.0140.00917.00
7.4.330.0000.00515.08
7.4.320.0030.00316.72
7.4.300.0040.00416.76
7.4.290.0000.00816.50
7.4.280.0030.00516.62
7.4.270.0040.00416.65
7.4.260.0040.00416.77
7.4.250.0000.00716.75
7.4.240.0030.00316.67
7.4.230.0000.00716.64
7.4.220.0150.00316.78
7.4.210.0070.00716.82
7.4.200.0000.00716.83
7.4.160.0060.01016.86
7.4.150.0030.01317.40
7.4.140.0100.01317.86
7.4.130.0100.00716.68
7.4.120.0130.00816.61
7.4.110.0150.00716.71
7.4.100.0040.01516.85
7.4.90.0090.00916.50
7.4.80.0070.01319.39
7.4.70.0060.01616.61
7.4.60.0000.01716.75
7.4.50.0060.00016.51
7.4.40.0030.01416.64
7.4.30.0140.00316.58
7.4.00.0060.01014.97
7.3.330.0000.00613.22
7.3.320.0050.00013.28
7.3.310.0000.00716.34
7.3.300.0080.00016.39
7.3.290.0070.00916.39
7.3.280.0120.00816.28
7.3.270.0100.00617.40
7.3.260.0100.01316.35
7.3.250.0090.00816.34
7.3.240.0100.00816.35
7.3.230.0110.00616.42
7.3.210.0060.01116.60
7.3.200.0030.01416.75
7.3.190.0060.01216.71
7.3.180.0160.00016.57
7.3.170.0150.00416.42
7.3.160.0150.00016.51
7.2.330.0030.01316.60
7.2.320.0000.01816.61
7.2.310.0030.01316.44
7.2.300.0100.00616.50
7.2.290.0100.01316.74
7.2.60.0050.01017.11
7.2.00.0090.00619.70
7.1.200.0000.00916.05
7.1.100.0140.01418.35
7.1.70.0040.00417.25
7.1.60.0110.01119.50
7.1.50.0170.00334.68
7.1.00.0070.07322.38
7.0.200.0030.00616.89
7.0.60.0100.03719.79
7.0.50.0000.09017.82
7.0.40.0100.08019.98
7.0.30.0200.04720.18
7.0.20.0270.03720.11
7.0.10.0030.07720.12
7.0.00.0130.06720.01
5.6.280.0030.03321.05
5.6.210.0100.07020.60
5.6.200.0070.03718.16
5.6.190.0100.04020.27
5.6.180.0270.08320.40
5.6.170.0330.04320.33
5.6.160.0100.04320.48
5.6.150.0030.04018.07
5.6.140.0000.04318.18
5.6.130.0030.08718.21
5.6.120.0030.06021.03
5.6.110.0100.07320.95
5.6.100.0030.06021.10
5.6.90.0170.08020.99
5.6.80.0070.05020.27
5.5.350.0230.07320.46
5.5.340.0000.06017.98
5.5.330.0070.04020.56
5.5.320.0300.03720.18
5.5.310.0100.05020.50
5.5.300.0030.04717.94
5.5.290.0030.04017.91
5.5.280.0100.05720.87
5.5.270.0100.05320.67
5.5.260.0030.08020.88
5.5.250.0030.05720.68
5.5.240.0000.06720.22
5.4.450.0230.05719.10
5.4.440.0200.06319.44
5.4.430.0270.06719.60
5.4.420.0230.05019.48
5.4.410.0200.05719.34
5.4.400.0370.05319.28
5.4.390.0230.05319.27
5.4.380.0300.06019.14
5.4.370.0200.05318.91
5.4.360.0170.06019.14
5.4.350.0270.04718.91
5.4.340.0170.06318.80
5.4.320.0270.05319.28
5.4.310.0230.05319.07
5.4.300.0230.05318.81
5.4.290.0330.04318.73
5.4.280.0300.05019.10
5.4.270.0270.05719.22
5.4.260.0300.04319.16
5.4.250.0270.05718.94
5.4.240.0230.05719.10
5.4.230.0300.06719.11
5.4.220.0500.05319.09
5.4.210.0400.05018.79
5.4.200.0330.05019.18
5.4.190.0430.06318.90
5.4.180.0300.07019.27
5.4.170.0370.04719.18
5.4.160.0400.07018.90
5.4.150.0400.05319.05
5.4.140.0270.05016.34
5.4.130.0170.05316.21
5.4.120.0270.06016.47
5.4.110.0230.06316.38
5.4.100.0100.07716.45
5.4.90.0170.05716.52
5.4.80.0230.04716.45
5.4.70.0330.06016.36
5.4.60.0230.07316.34
5.4.50.0300.05316.36
5.4.40.0530.05316.49
5.4.30.0300.05016.14
5.4.20.0170.05316.46
5.4.10.0300.05316.46
5.4.00.0330.05015.76

preferences:
36.19 ms | 401 KiB | 5 Q