3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match('/((?>[A-Za-z]+))::([A-Za-z]+)/', 'Foo::Bar', $m); var_dump($m); preg_match('/([A-Za-z]++)::([A-Za-z]+)/', 'Foo::Bar', $m); var_dump($m);

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)
8.3.60.0180.00416.63
8.3.50.0160.00122.92
8.3.40.0090.00618.94
8.3.30.0030.01019.09
8.3.20.0070.00020.24
8.3.10.0070.00023.71
8.3.00.0030.00619.38
8.2.180.0030.01218.65
8.2.170.0090.00622.96
8.2.160.0030.01020.48
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0140.00026.16
8.2.120.0080.00021.02
8.2.110.0030.00622.20
8.2.100.0040.00718.09
8.2.90.0000.00819.14
8.2.80.0080.00017.97
8.2.70.0030.00517.63
8.2.60.0080.00017.80
8.2.50.0030.00718.07
8.2.40.0060.00317.91
8.2.30.0040.00417.95
8.2.20.0040.00417.58
8.2.10.0040.00417.96
8.2.00.0040.00417.58
8.1.280.0100.00325.92
8.1.270.0000.00823.97
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00323.95
8.1.230.0040.00719.05
8.1.220.0030.00517.74
8.1.210.0000.00918.77
8.1.200.0040.00817.35
8.1.190.0000.00817.13
8.1.180.0080.00018.10
8.1.170.0040.00418.68
8.1.160.0070.00021.89
8.1.150.0070.00018.79
8.1.140.0090.00017.54
8.1.130.0000.00717.79
8.1.120.0040.00417.45
8.1.110.0040.00417.38
8.1.100.0040.00417.52
8.1.90.0060.00317.34
8.1.80.0040.00417.55
8.1.70.0030.00517.39
8.1.60.0060.00317.62
8.1.50.0080.00017.57
8.1.40.0040.00417.57
8.1.30.0050.00317.59
8.1.20.0040.00417.69
8.1.10.0030.00617.58
8.1.00.0030.00617.42
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0030.00318.37
8.0.270.0030.00317.02
8.0.260.0030.00317.14
8.0.250.0070.00016.81
8.0.240.0000.00716.87
8.0.230.0070.00016.94
8.0.220.0080.00016.88
8.0.210.0000.00816.80
8.0.200.0040.00416.96
8.0.190.0030.00617.02
8.0.180.0040.00416.94
8.0.170.0080.00016.93
8.0.160.0040.00416.93
8.0.150.0000.00716.82
8.0.140.0030.00516.86
8.0.130.0000.00613.32
8.0.120.0060.00316.87
8.0.110.0040.00416.87
8.0.100.0040.00416.74
8.0.90.0000.00716.93
8.0.80.0090.00716.89
8.0.70.0050.00316.94
8.0.60.0040.00416.81
8.0.50.0030.00316.84
8.0.30.0080.01817.24
8.0.20.0140.01717.41
8.0.10.0000.00816.85
8.0.00.0060.01116.93
7.4.330.0000.00515.00
7.4.320.0000.00616.70
7.4.300.0030.00316.59
7.4.290.0030.00516.70
7.4.280.0000.00816.46
7.4.270.0070.00016.68
7.4.260.0040.00416.56
7.4.250.0040.00416.54
7.4.240.0060.00216.66
7.4.230.0000.00816.43
7.4.220.0100.01316.67
7.4.210.0060.00916.71
7.4.200.0030.00416.58
7.4.160.0080.00816.51
7.4.150.0090.00917.40
7.4.140.0070.01517.86
7.4.130.0140.00416.72
7.4.120.0110.00616.42
7.4.110.0030.01316.49
7.4.100.0060.01016.48
7.4.90.0110.00816.41
7.4.80.0130.01319.39
7.4.70.0030.01316.57
7.4.60.0030.01316.61
7.4.50.0030.00516.64
7.4.40.0080.00816.38
7.4.30.0150.00616.48
7.4.00.0090.00915.01
7.3.330.0040.00413.13
7.3.320.0000.00713.01
7.3.310.0030.00316.25
7.3.300.0070.00016.34
7.3.290.0120.00316.29
7.3.280.0120.00616.34
7.3.270.0100.01017.40
7.3.260.0070.01116.37
7.3.250.0120.00516.31
7.3.240.0150.00316.25
7.3.230.0120.00616.44
7.3.210.0040.01416.61
7.3.200.0110.00719.39
7.3.190.0060.01316.53
7.3.180.0060.00916.30
7.3.170.0080.00816.46
7.3.160.0060.01116.41
7.2.330.0090.01216.74
7.2.320.0060.01616.42
7.2.310.0080.01116.47
7.2.300.0090.00916.59
7.2.290.0100.00616.56
7.2.60.0000.01516.89
7.2.00.0170.00319.45
7.1.200.0120.00315.96
7.1.100.0080.00318.34
7.1.70.0050.00217.00
7.1.60.0090.01619.40
7.1.50.0100.01316.86
7.1.00.0070.07322.45
7.0.200.0050.00516.77
7.0.140.0030.07322.00
7.0.60.0030.08319.87
7.0.50.0070.07717.76
7.0.40.0070.06320.14
7.0.30.0230.05720.14
7.0.20.0170.06320.19
7.0.10.0070.04020.20
7.0.00.0130.08020.33
5.6.280.0070.07020.81
5.6.210.0070.06320.61
5.6.200.0100.05718.21
5.6.190.0100.08020.61
5.6.180.0270.08720.43
5.6.170.0370.05020.51
5.6.160.0100.08320.54
5.6.150.0000.04718.11
5.6.140.0070.06718.16
5.6.130.0030.08018.18
5.6.120.0170.05020.99
5.6.110.0070.04020.98
5.6.100.0100.08021.10
5.6.90.0070.06720.98
5.6.80.0070.05720.43
5.5.350.4100.03720.43
5.5.340.0170.05718.02
5.5.330.0100.04720.19
5.5.320.0170.03720.41
5.5.310.0400.07320.27
5.5.300.0100.04017.96
5.5.290.0030.04017.96
5.5.280.0100.06020.85
5.5.270.0130.07020.85
5.5.260.0100.07020.86
5.5.250.0200.07320.77
5.5.240.0070.07720.28
5.4.450.4030.03719.43
5.4.440.0030.08019.49
5.4.430.1730.04319.19
5.4.420.4670.04019.48
5.4.410.3600.03319.28
5.4.400.3330.03319.16
5.4.390.2730.04018.88
5.4.380.3670.03719.16
5.4.370.3730.03318.89
5.4.360.4430.05018.87
5.4.350.4230.04718.97
5.4.340.3730.03319.16
5.4.320.2030.04319.13
5.4.310.4570.03719.09
5.4.300.4370.03018.91
5.4.290.4130.04019.08
5.4.280.4230.03319.12
5.4.270.4100.03318.88
5.4.260.4330.03719.08
5.4.250.4100.03719.25
5.4.240.3430.04018.96
5.4.230.1730.04719.15
5.4.220.4400.04018.99
5.4.210.4130.03719.18
5.4.200.4830.04018.96
5.4.190.3600.04019.16
5.4.180.4100.04019.07
5.4.170.4200.03719.03
5.4.160.4170.03018.98
5.4.150.3970.04019.17
5.4.140.4200.03716.28
5.4.130.4130.04016.36
5.4.120.3970.03716.30
5.4.110.4200.02716.22
5.4.100.4630.04016.27
5.4.90.3030.03716.55
5.4.80.3930.03316.52
5.4.70.3800.04316.50
5.4.60.4570.03716.29
5.4.50.4230.03016.54
5.4.40.3970.03016.36
5.4.30.4170.03716.39
5.4.20.4130.03716.43
5.4.10.4130.03316.37
5.4.00.3800.03315.68
5.3.290.4600.03714.56
5.3.280.0070.07314.51
5.3.270.4100.04014.58
5.3.260.3600.04014.50
5.3.250.3900.03714.54
5.3.240.4130.04014.50
5.3.230.4070.04014.56
5.3.220.4070.03714.49
5.3.210.3970.02714.53
5.3.200.4170.04014.35
5.3.190.4130.04014.57
5.3.180.3370.04014.54
5.3.170.4130.03714.34
5.3.160.3970.04014.49
5.3.150.4130.03314.52
5.3.140.4130.03714.48
5.3.130.4030.03714.52
5.3.120.4300.04014.46
5.3.110.4030.03314.47
5.3.100.4130.03714.13
5.3.90.4000.03713.95
5.3.80.4070.04014.00
5.3.70.3770.03713.94
5.3.60.3770.03313.94
5.3.50.4070.04013.90
5.3.40.4030.04013.78
5.3.30.5300.04313.84
5.3.20.4130.04013.51
5.3.10.4030.03713.59
5.3.00.3930.04013.56
5.2.170.3430.03311.13
5.2.160.3270.03011.08
5.2.150.3400.02711.07
5.2.140.3400.03711.04
5.2.130.3300.03010.93
5.2.120.3330.02710.92
5.2.110.3500.03011.09
5.2.100.3270.03311.09
5.2.90.3500.03011.07
5.2.80.3770.03311.04
5.2.70.4330.04011.02
5.2.60.2970.03011.02
5.2.50.1270.03010.96
5.2.40.2100.02711.07
5.2.30.1700.02310.82
5.2.20.1870.03010.93
5.2.10.2230.03010.85
5.2.00.2300.03010.71
5.1.60.2330.0279.94
5.1.50.1700.0279.89
5.1.40.2370.0209.96
5.1.30.2300.03310.41
5.1.20.2230.02310.38
5.1.10.2000.02010.14
5.1.00.1900.0279.97
5.0.50.0830.0178.54
5.0.40.0830.0238.45
5.0.30.0700.0308.21
5.0.20.0430.0208.10
5.0.10.0900.0208.23
5.0.00.0630.0308.29
4.4.90.1500.0205.81
4.4.80.0470.0175.81
4.4.70.0300.0175.84
4.4.60.1100.0135.80
4.4.50.1130.0175.79
4.4.40.1270.0275.83
4.4.30.0900.0135.79
4.4.20.1370.0175.86
4.4.10.0900.0175.90
4.4.00.1030.0235.89
4.3.110.1070.0175.72
4.3.100.0630.0135.76
4.3.90.1300.0175.71
4.3.80.0430.0275.78
4.3.70.1270.0135.75
4.3.60.1400.0175.66
4.3.50.1570.0135.78
4.3.40.1330.0235.71
4.3.30.0670.0134.82
4.3.20.0300.0304.82
4.3.10.0200.0204.82
4.3.00.0570.0174.82

preferences:
45.16 ms | 401 KiB | 5 Q