3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/a{1,3}b/U', 'aab', $matches)); var_dump($matches);

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)
8.3.40.0040.01118.79
8.3.30.0070.00718.96
8.3.20.0070.00020.24
8.3.10.0030.00522.09
8.3.00.0000.00722.29
8.2.170.0040.01122.96
8.2.160.0100.00318.91
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0120.00326.16
8.2.120.0000.00819.23
8.2.110.0060.00322.10
8.2.100.0070.00717.84
8.2.90.0050.00218.91
8.2.80.0000.00817.97
8.2.70.0060.00317.62
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0030.00618.03
8.2.30.0000.00817.87
8.2.20.0040.00417.66
8.2.10.0070.00017.55
8.2.00.0060.00317.63
8.1.270.0080.00022.02
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00023.96
8.1.230.0030.00719.01
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.00917.35
8.1.190.0000.00717.28
8.1.180.0080.00018.63
8.1.170.0000.00918.60
8.1.160.0070.00022.15
8.1.150.0040.00418.59
8.1.140.0000.00717.37
8.1.130.0030.00717.81
8.1.120.0000.00717.45
8.1.110.0040.00417.43
8.1.100.0000.00717.42
8.1.90.0070.00017.47
8.1.80.0050.00217.51
8.1.70.0030.00317.34
8.1.60.0000.00817.64
8.1.50.0030.00617.55
8.1.40.0030.00617.52
8.1.30.0000.00717.66
8.1.20.0080.00017.69
8.1.10.0040.00417.51
8.1.00.0000.00717.36
8.0.300.0000.00718.77
8.0.290.0080.00017.05
8.0.280.0000.00718.32
8.0.270.0000.00717.14
8.0.260.0040.00416.88
8.0.250.0070.00016.93
8.0.240.0110.00016.98
8.0.230.0000.00716.99
8.0.220.0040.00416.83
8.0.210.0040.00416.78
8.0.200.0060.00017.02
8.0.190.0030.00516.97
8.0.180.0000.00816.97
8.0.170.0000.00816.82
8.0.160.0050.00316.83
8.0.150.0040.00416.81
8.0.140.0040.00716.86
8.0.130.0030.00313.34
8.0.120.0000.00816.79
8.0.110.0050.00216.91
8.0.100.0050.00216.76
8.0.90.0070.00016.74
8.0.80.0120.00316.84
8.0.70.0000.00716.75
8.0.60.0000.00716.87
8.0.50.0030.00516.84
8.0.30.0120.01017.30
8.0.20.0200.00017.40
8.0.10.0000.00716.87
8.0.00.0110.00916.74
7.4.330.0060.00015.00
7.4.320.0000.00616.65
7.4.300.0060.00016.62
7.4.290.0030.00316.48
7.4.280.0000.00716.49
7.4.270.0030.00316.66
7.4.260.0050.00216.50
7.4.250.0000.00716.59
7.4.240.0010.00616.62
7.4.230.0080.00016.75
7.4.220.0120.00616.77
7.4.210.0100.00516.69
7.4.200.0030.00316.66
7.4.190.0030.00616.80
7.4.160.0160.00016.40
7.4.150.0130.00717.40
7.4.140.0130.00617.86
7.4.130.0120.00716.55
7.4.120.0120.00816.71
7.4.110.0080.01116.43
7.4.100.0110.01216.50
7.4.90.0090.00916.59
7.4.80.0160.00719.39
7.4.70.0100.00716.57
7.4.60.0000.01716.76
7.4.50.0050.00316.63
7.4.40.0040.00822.77
7.4.30.0030.01316.59
7.4.00.0030.01315.16
7.3.330.0020.00213.21
7.3.320.0050.00013.01
7.3.310.0000.00716.13
7.3.300.0040.00416.11
7.3.290.0110.00316.21
7.3.280.0060.01016.29
7.3.270.0070.01017.40
7.3.260.0090.00916.29
7.3.250.0110.01016.46
7.3.240.0070.01016.42
7.3.230.0100.00716.41
7.3.210.0170.00016.54
7.3.200.0090.00916.59
7.3.190.0080.00816.58
7.3.180.0130.00316.51
7.3.170.0100.00616.27
7.3.160.0100.00616.40
7.3.120.0060.00614.96
7.3.10.0060.00916.54
7.3.00.0100.01016.46
7.2.330.0090.00916.48
7.2.320.0070.01116.50
7.2.310.0100.00716.70
7.2.300.0120.00616.65
7.2.290.0100.00716.67
7.2.130.0100.01016.59
7.2.120.0140.01016.58
7.2.110.0060.00916.78
7.2.100.0120.00316.90
7.2.90.0080.00416.88
7.2.80.0030.01016.57
7.2.70.0070.00716.87
7.2.60.0100.01016.79
7.2.50.0110.00816.99
7.2.40.0130.00016.91
7.2.30.0070.01016.47
7.2.20.0030.00616.76
7.2.10.0030.00816.99
7.2.00.0030.01018.19
7.1.250.0000.01215.82
7.1.100.0000.01318.59
7.1.70.0000.00916.99
7.1.60.0110.01419.82
7.1.50.0100.01416.73
7.1.00.0000.03722.33
7.0.200.0000.00916.93
7.0.140.0070.07022.09
7.0.60.0070.08020.03
7.0.50.0070.06017.86
7.0.40.0130.07320.32
7.0.30.0370.06720.20
7.0.20.0300.06320.18
7.0.10.0300.08020.24
7.0.00.0030.05320.22
5.6.280.0130.06321.01
5.6.210.0100.07320.52
5.6.200.0030.04018.13
5.6.190.0030.06320.61
5.6.180.3170.05020.27
5.6.170.0230.08020.38
5.6.160.0100.06720.48
5.6.150.0170.07018.17
5.6.140.0000.04018.09
5.6.130.0070.04318.14
5.6.120.0030.04020.96
5.6.110.0030.05721.07
5.6.100.0000.06320.95
5.6.90.0130.08320.93
5.6.80.0130.05720.48
5.6.70.0170.03320.42
5.5.350.0100.07720.32
5.5.340.0070.08017.98
5.5.330.0070.07720.40
5.5.320.0300.06720.34
5.5.310.0300.05720.28
5.5.300.0100.07717.96
5.5.290.0070.08017.89
5.5.280.0030.08020.97
5.5.270.0030.04720.85
5.5.260.0100.06020.75
5.5.250.0030.05320.46
5.5.240.0230.06020.27
5.4.450.0800.05319.49
5.4.440.0830.06019.14
5.4.430.1070.05319.51
5.4.420.0770.05719.63
5.4.410.0870.07319.48
5.4.400.0070.07018.50
5.4.390.0300.05018.58
5.4.380.0270.05318.49
5.4.370.0430.06318.71
5.4.360.0530.04718.49
5.4.350.0270.05318.61
5.4.340.0330.05318.77
5.4.320.0110.03812.45
5.4.310.0090.04212.45
5.4.300.0080.04512.45
5.4.290.0100.03712.45
5.4.280.0080.03312.34
5.4.270.0060.03912.34
5.4.260.0070.07018.86
5.4.250.0170.07018.95
5.4.240.0100.07018.95
5.4.230.0030.06719.00
5.4.220.0100.05718.98
5.4.210.0130.05018.88
5.4.200.0100.07318.77
5.4.190.0130.07318.68
5.4.180.0000.06018.88
5.4.170.0100.06718.84
5.4.160.0170.06719.00
5.4.150.0270.04718.69
5.4.140.0030.07716.30
5.4.130.0100.05016.40
5.4.120.0100.05016.25
5.4.110.0100.07316.49
5.4.100.0100.05716.21
5.4.90.0130.06316.26
5.4.80.0200.06016.41
5.4.70.0000.07716.46
5.4.60.0070.06716.42
5.4.50.0130.04316.18
5.4.40.0100.05016.40
5.4.30.0070.07316.39
5.4.20.0130.06316.33
5.4.10.0030.05716.40
5.4.00.0230.05015.71
5.3.290.0090.04612.80
5.3.280.0070.07314.36
5.3.270.0030.07714.75
5.3.260.0070.05714.48
5.3.250.0070.07714.61
5.3.240.0070.08014.52
5.3.230.0170.04314.36
5.3.220.0100.06314.56
5.3.210.0070.07314.57
5.3.200.0200.06314.40
5.3.190.0170.06314.57
5.3.180.0070.07714.71
5.3.170.0070.07714.57
5.3.160.0130.06314.57
5.3.150.0170.06314.57
5.3.140.0130.05314.56
5.3.130.0070.07714.56
5.3.120.0070.05714.31
5.3.110.0170.07014.43
5.3.100.0100.05013.87
5.3.90.0030.07714.02
5.3.80.0200.05013.90
5.3.70.0070.05013.86
5.3.60.0070.06714.00
5.3.50.0030.05713.96
5.3.40.0100.04714.09
5.3.30.0030.05713.91
5.3.20.0170.05013.78
5.3.10.0170.06013.69
5.3.00.0030.07313.65
5.2.170.0170.03711.05
5.2.160.0100.05311.07
5.2.150.0030.04711.29
5.2.140.0070.04011.29
5.2.130.0070.04011.03
5.2.120.0070.05711.10
5.2.110.0030.04711.03
5.2.100.0130.03311.02
5.2.90.0130.05311.25
5.2.80.0130.04310.92
5.2.70.0100.03711.02
5.2.60.0100.03711.04
5.2.50.0100.03710.93
5.2.40.0030.04010.89
5.2.30.0030.04311.06
5.2.20.0100.03710.91
5.2.10.0000.04710.77
5.2.00.0200.04710.79
5.1.60.0170.0379.95
5.1.50.0100.02710.03
5.1.40.0070.04710.04
5.1.30.0130.04710.23
5.1.20.0100.05010.42
5.1.10.0030.0379.97
5.1.00.0170.04010.15
5.0.50.0030.0408.46
5.0.40.0100.0338.30
5.0.30.0070.0508.45
5.0.20.0070.0238.23
5.0.10.0030.0308.21
5.0.00.0030.0578.24
4.4.90.0000.0237.45
4.4.80.0070.0207.45
4.4.70.0000.0277.45
4.4.60.0000.0237.45
4.4.50.0030.0337.45
4.4.40.0070.0407.45
4.4.30.0070.0177.45
4.4.20.0100.0177.45
4.4.10.0070.0207.45
4.4.00.0070.0437.45
4.3.110.0130.0177.45
4.3.100.0030.0207.45
4.3.90.0000.0237.45
4.3.80.0000.0337.45
4.3.70.0000.0237.45
4.3.60.0100.0237.45
4.3.50.0070.0177.45
4.3.40.0100.0277.45
4.3.30.0000.0237.45
4.3.20.0000.0237.45
4.3.10.0030.0207.45
4.3.00.0130.0206.86

preferences:
38.81 ms | 400 KiB | 5 Q