3v4l.org

run code in 300+ PHP versions simultaneously
<?php $txt = 'aab bbcdaddeeff'; if (preg_match('/([a-z])\1{2,}/', $txt)) echo 'The string is not valid';

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)
8.3.40.0040.01118.97
8.3.30.0070.01018.70
8.3.20.0050.00318.90
8.3.10.0000.00820.96
8.3.00.0000.00823.65
8.2.170.0070.00722.96
8.2.160.0100.00320.38
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0080.00021.17
8.2.110.0030.00720.52
8.2.100.0090.00317.91
8.2.90.0060.00319.23
8.2.80.0000.00817.97
8.2.70.0080.00017.75
8.2.60.0050.00317.80
8.2.50.0050.00318.07
8.2.40.0040.00418.08
8.2.30.0000.00821.36
8.2.20.0050.00217.75
8.2.10.0040.00417.83
8.2.00.0000.00817.82
8.1.270.0040.00423.99
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0070.00322.40
8.1.230.0110.00020.96
8.1.220.0000.00918.77
8.1.210.0060.00318.85
8.1.200.0030.00617.35
8.1.190.0070.00017.28
8.1.180.0000.00818.10
8.1.170.0000.00818.59
8.1.160.0000.00718.89
8.1.150.0030.00618.77
8.1.140.0000.00817.59
8.1.130.0080.00017.85
8.1.120.0070.00017.47
8.1.110.0000.00817.51
8.1.100.0040.00417.45
8.1.90.0000.00717.54
8.1.80.0030.00417.58
8.1.70.0070.00017.53
8.1.60.0040.00417.57
8.1.50.0030.00617.44
8.1.40.0070.00017.50
8.1.30.0000.00817.77
8.1.20.0040.00417.60
8.1.10.0090.00017.67
8.1.00.0000.00917.57
8.0.300.0000.00719.90
8.0.290.0050.00317.18
8.0.280.0040.00418.42
8.0.270.0000.00717.23
8.0.260.0070.00016.77
8.0.250.0040.00416.98
8.0.240.0000.00817.09
8.0.230.0000.00717.00
8.0.220.0030.00716.85
8.0.210.0000.00716.89
8.0.200.0000.00816.90
8.0.190.0000.00716.95
8.0.180.0040.00416.98
8.0.170.0030.00316.93
8.0.160.0030.00316.93
8.0.150.0000.00716.98
8.0.140.0030.00416.96
8.0.130.0050.00013.38
8.0.120.0040.00416.92
8.0.110.0040.00416.97
8.0.100.0030.00516.80
8.0.90.0040.00417.04
8.0.80.0030.01216.96
8.0.70.0040.00417.01
8.0.60.0000.00816.93
8.0.50.0050.00516.96
8.0.30.0090.01117.24
8.0.20.0120.00617.40
8.0.10.0040.00417.09
8.0.00.0120.00516.91
7.4.330.0000.00514.91
7.4.320.0000.00716.51
7.4.300.0030.00316.64
7.4.290.0000.00816.60
7.4.280.0000.00716.76
7.4.270.0030.00316.73
7.4.260.0030.00313.37
7.4.250.0020.00516.56
7.4.240.0040.00416.80
7.4.230.0000.00716.84
7.4.220.0100.01316.62
7.4.210.0070.00816.74
7.4.200.0000.00816.82
7.4.190.0030.00316.65
7.4.160.0070.01416.60
7.4.150.0140.00317.40
7.4.140.0110.00817.86
7.4.130.0130.00816.68
7.4.120.0060.01016.56
7.4.110.0100.00616.63
7.4.100.0120.00916.72
7.4.90.0120.00616.79
7.4.80.0170.00019.39
7.4.70.0070.01016.46
7.4.60.0090.01216.39
7.4.50.0060.00316.55
7.4.40.0070.01022.52
7.4.30.0090.00916.76
7.4.00.0130.00315.17
7.3.330.0000.00613.13
7.3.320.0030.00313.17
7.3.310.0000.00716.28
7.3.300.0070.00016.29
7.3.290.0060.01316.25
7.3.280.0110.00616.31
7.3.270.0060.01017.40
7.3.260.0140.00318.24
7.3.250.0070.00916.32
7.3.240.0060.00916.38
7.3.230.0110.00716.61
7.3.210.0100.00616.29
7.3.200.0130.00819.39
7.3.190.0110.00916.45
7.3.180.0100.00616.57
7.3.170.0120.00316.60
7.3.160.0100.01216.37
7.3.120.0140.00314.61
7.2.330.0130.00816.55
7.2.320.0090.00916.40
7.2.310.0150.00916.64
7.2.300.0070.01016.54
7.2.290.0040.01216.54
7.2.00.0030.01319.09
7.1.100.0060.00618.04
7.1.70.0040.00817.23
7.1.60.0060.00619.40
7.1.50.0070.01717.18
7.1.00.0000.03722.43
7.0.200.0060.00316.69
7.0.140.0000.08022.15
7.0.70.0070.07721.73
7.0.60.0070.08021.86
7.0.50.0030.09022.09
7.0.40.0030.08020.11
7.0.30.0030.05319.94
7.0.20.0070.08320.05
7.0.10.0030.08020.07
7.0.00.0100.03720.07
5.6.280.0000.07720.85
5.6.220.0100.08020.52
5.6.210.0070.08020.75
5.6.200.0100.08320.96
5.6.190.0130.07720.92
5.6.180.0100.08020.96
5.6.170.0030.08721.07
5.6.160.0130.06721.02
5.6.150.0030.08320.95
5.6.140.0070.08021.00
5.6.130.0070.08320.91
5.6.120.0000.09021.09
5.6.110.0030.08720.93
5.6.100.0000.06721.10
5.6.90.0170.08021.02
5.6.80.0100.08320.42
5.6.70.0000.07720.39
5.6.60.0030.07720.33
5.6.50.0070.05020.34
5.6.40.0030.07020.30
5.6.30.0100.05020.46
5.6.20.0000.08320.41
5.6.10.0030.07720.31
5.6.00.0030.07720.51
5.5.360.0130.06720.42
5.5.350.0070.08720.45
5.5.340.0030.08320.90
5.5.330.0170.05320.62
5.5.320.0100.05020.88
5.5.310.0030.08320.86
5.5.300.0100.08320.89
5.5.290.0130.07320.72
5.5.280.0100.06320.76
5.5.270.0100.08020.75
5.5.260.0000.08720.71
5.5.250.0030.09020.56
5.5.240.0130.07320.25
5.5.230.0070.08020.26
5.5.220.0200.07020.09
5.5.210.0100.04720.18
5.5.200.0200.04320.11
5.5.190.0030.08720.17
5.5.180.0000.07320.14
5.5.160.0030.08020.12
5.5.150.0130.07020.27
5.5.140.0100.07720.17
5.5.130.0030.06020.25
5.5.120.0070.07720.21
5.5.110.0030.05320.21
5.5.100.0000.08020.07
5.5.90.0070.04720.00
5.5.80.0030.05320.10
5.5.70.0170.06020.05
5.5.60.0030.07320.02
5.5.50.0130.06320.14
5.5.40.0030.04020.07
5.5.30.0000.04020.04
5.5.20.0000.04020.01
5.5.10.0130.07319.96
5.5.00.0000.07720.09
5.4.450.0070.08319.37
5.4.440.0100.07319.27
5.4.430.0030.08319.37
5.4.420.0100.08019.39
5.4.410.0100.05719.22
5.4.400.0200.07019.10
5.4.390.0130.07319.12
5.4.380.0070.06019.09
5.4.370.0030.08318.81
5.4.360.0000.08718.88
5.4.350.0070.07718.75
5.4.340.0030.08019.05
5.4.320.0070.07718.98
5.4.310.0000.08719.05
5.4.300.0100.07319.17
5.4.290.0070.04319.09
5.4.280.0030.08318.96
5.4.270.0130.07019.03
5.4.260.0070.08019.03
5.4.250.0100.03318.97
5.4.240.0130.08018.80
5.4.230.0030.07718.79
5.4.220.0000.08019.11
5.4.210.0100.07318.96
5.4.200.0000.05018.96
5.4.190.0030.03719.09
5.4.180.0170.06318.95
5.4.170.0070.03318.79
5.4.160.0070.07718.79
5.4.150.0130.07319.09
5.4.140.0070.07316.37
5.4.130.0070.05016.32
5.4.120.0030.06716.28
5.4.110.0030.07316.38
5.4.100.0000.06716.36
5.4.90.0030.07316.44
5.4.80.0070.07016.20
5.4.70.0070.04716.34
5.4.60.0000.07316.21
5.4.50.0100.07316.29
5.4.40.0030.07316.47
5.4.30.0030.04716.18
5.4.20.0070.07316.41
5.4.10.0100.06716.18
5.4.00.0030.07315.72
5.3.290.0170.06714.67
5.3.280.0070.04314.40
5.3.270.0030.05314.61
5.3.260.0070.06314.55
5.3.250.0030.05714.61
5.3.240.0100.07314.54
5.3.230.0030.07014.41
5.3.220.0030.04714.52
5.3.210.0030.05714.43
5.3.200.0070.07714.38
5.3.190.0100.07014.52
5.3.180.0030.07714.41
5.3.170.0000.05714.50
5.3.160.0000.08314.54
5.3.150.0030.07714.52
5.3.140.0000.07314.45
5.3.130.0030.06714.53
5.3.120.0070.07314.54
5.3.110.0100.06714.40
5.3.100.0030.05313.87
5.3.90.0030.07713.97
5.3.80.0070.07013.92
5.3.70.0070.07014.00
5.3.60.0070.07713.98
5.3.50.0070.05013.71
5.3.40.0070.07013.80
5.3.30.0030.08013.90
5.3.20.0000.07313.62
5.3.10.0100.06313.44
5.3.00.0030.06713.59
5.2.170.0030.04711.18
5.2.160.0130.05010.97
5.2.150.0030.06711.06
5.2.140.0070.06311.08
5.2.130.0070.06011.05
5.2.120.0000.06311.09
5.2.110.0030.05311.15
5.2.100.0070.05710.91
5.2.90.0000.06311.08
5.2.80.0000.05010.95
5.2.70.0070.06311.14
5.2.60.0100.04710.99
5.2.50.0030.06310.93
5.2.40.0030.06011.02
5.2.30.0030.05311.02
5.2.20.0000.06310.84
5.2.10.0100.05710.88
5.2.00.0030.05710.80
5.1.60.0100.04010.80
5.1.50.0000.05010.80
5.1.40.0000.05010.80
5.1.30.0030.04310.80
5.1.20.0030.03310.80
5.1.10.0030.05710.80
5.1.00.0000.05710.80
5.0.50.0000.04310.80
5.0.40.0030.04010.80
5.0.30.0030.06310.80
5.0.20.0000.04710.80
5.0.10.0000.02710.80
5.0.00.0030.03310.80
4.4.90.0000.03710.80
4.4.80.0000.03010.80
4.4.70.0000.03010.80
4.4.60.0030.03310.80
4.4.50.0070.03010.80
4.4.40.0000.04010.80
4.4.30.0030.03310.80
4.4.20.0030.03010.80
4.4.10.0000.03710.80
4.4.00.0000.05310.80
4.3.110.0000.04010.80
4.3.100.0000.03710.80
4.3.90.0000.02010.80
4.3.80.0000.05710.80
4.3.70.0000.02710.80
4.3.60.0000.03310.80
4.3.50.0030.03310.80
4.3.40.0070.04710.80
4.3.30.0070.03310.80
4.3.20.0030.02710.80
4.3.10.0000.04010.80
4.3.00.0000.03310.80

preferences:
48.99 ms | 400 KiB | 5 Q