3v4l.org

run code in 300+ PHP versions simultaneously
<?php $txt = ' fghssd ggggg '; 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)
8.3.60.0140.00316.75
8.3.50.0140.00621.96
8.3.40.0070.01018.79
8.3.30.0070.00718.96
8.3.20.0040.00420.03
8.3.10.0020.00523.53
8.3.00.0040.00420.82
8.2.180.0120.00916.38
8.2.170.0040.01122.96
8.2.160.0130.00322.13
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00022.44
8.2.110.0070.00420.39
8.2.100.0090.00319.68
8.2.90.0000.00819.21
8.2.80.0000.00817.97
8.2.70.0110.00017.75
8.2.60.0000.01117.93
8.2.50.0040.00418.07
8.2.40.0000.00819.22
8.2.30.0000.00817.96
8.2.20.0000.00717.74
8.2.10.0000.00817.83
8.2.00.0000.00917.64
8.1.280.0150.00425.92
8.1.270.0080.00023.84
8.1.260.0110.00426.35
8.1.250.0050.00328.09
8.1.240.0030.00720.99
8.1.230.0090.00317.45
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0030.00617.23
8.1.190.0060.00617.29
8.1.180.0040.00418.10
8.1.170.0050.00318.64
8.1.160.0080.00021.97
8.1.150.0000.00718.61
8.1.140.0030.00617.55
8.1.130.0000.00717.85
8.1.120.0000.00817.63
8.1.110.0050.00317.58
8.1.100.0050.00317.53
8.1.90.0040.00417.45
8.1.80.0030.00317.58
8.1.70.0030.00317.56
8.1.60.0000.00717.60
8.1.50.0050.00217.54
8.1.40.0000.00717.53
8.1.30.0080.00017.75
8.1.20.0070.00017.75
8.1.10.0000.00717.65
8.1.00.0050.00317.61
8.0.300.0040.00418.77
8.0.290.0030.00717.00
8.0.280.0000.00718.40
8.0.270.0030.00317.28
8.0.260.0000.00716.98
8.0.250.0030.00317.00
8.0.240.0000.01116.98
8.0.230.0040.00417.09
8.0.220.0030.00317.02
8.0.210.0040.00417.04
8.0.200.0030.00317.05
8.0.190.0030.00317.04
8.0.180.0000.00716.90
8.0.170.0040.00417.00
8.0.160.0040.00416.96
8.0.150.0040.00416.82
8.0.140.0020.00517.00
8.0.130.0070.00013.33
8.0.120.0030.00516.91
8.0.110.0000.00816.88
8.0.100.0050.00316.81
8.0.90.0000.00716.92
8.0.80.0030.01416.98
8.0.70.0040.00416.78
8.0.60.0000.00716.93
8.0.50.0000.00716.93
8.0.30.0120.01217.07
8.0.20.0060.01317.40
8.0.10.0070.00017.07
8.0.00.0090.01116.89
7.4.330.0000.00515.04
7.4.320.0030.00316.77
7.4.300.0000.00716.56
7.4.290.0030.00316.70
7.4.280.0030.00316.68
7.4.270.0000.00716.70
7.4.260.0030.00316.78
7.4.250.0030.00416.69
7.4.240.0070.00016.64
7.4.230.0030.00316.59
7.4.220.0070.01116.73
7.4.210.0110.00716.83
7.4.200.0030.00316.65
7.4.190.0080.00016.88
7.4.160.0190.00316.48
7.4.150.0070.01017.40
7.4.140.0120.00917.86
7.4.130.0090.01216.68
7.4.120.0090.00716.63
7.4.110.0090.00916.71
7.4.100.0180.00316.73
7.4.90.0110.00816.46
7.4.80.0140.00716.63
7.4.70.0150.00316.63
7.4.60.0030.01316.89
7.4.50.0030.00516.43
7.4.40.0050.01322.77
7.4.30.0090.00916.47
7.4.00.0030.01315.12
7.3.330.0000.00513.13
7.3.320.0000.00513.21
7.3.310.0040.00416.09
7.3.300.0040.00416.31
7.3.290.0110.00416.24
7.3.280.0090.00816.28
7.3.270.0070.01017.40
7.3.260.0090.00916.66
7.3.250.0090.01216.47
7.3.240.0090.00916.50
7.3.230.0060.01016.59
7.3.210.0130.01016.43
7.3.200.0100.00719.39
7.3.190.0030.01216.47
7.3.180.0100.00716.60
7.3.170.0040.01216.51
7.3.160.0170.00016.66
7.3.120.0070.00714.79
7.2.330.0140.00316.56
7.2.320.0080.00816.54
7.2.310.0110.00616.49
7.2.300.0080.01016.53
7.2.290.0130.00316.70
7.2.00.0060.00619.55
7.1.100.0090.00317.87
7.1.70.0050.00916.99
7.1.60.0150.00717.25
7.1.50.0100.01416.98
7.1.40.0060.00616.79
7.1.30.0000.01616.60
7.1.20.0100.00716.93
7.1.10.0000.01216.53
7.1.00.0030.00716.72
7.0.200.0100.00717.01
7.0.190.0090.00316.95
7.0.180.0040.00916.48
7.0.170.0050.01116.41
7.0.160.0060.00916.45
7.0.150.0070.00416.44
7.0.140.0030.01016.54
7.0.130.0040.00716.86
7.0.120.0030.00816.64
7.0.110.0060.00416.63
7.0.100.0060.00616.39
7.0.90.0050.00516.47
7.0.80.0000.01116.61
7.0.70.0000.01216.47
7.0.60.0060.00616.35
7.0.50.0060.00316.36
7.0.40.0030.00815.18
7.0.30.0000.00815.18
7.0.20.0020.00515.18
7.0.10.0030.00515.18
7.0.00.0000.00815.18
5.6.300.0090.04420.66
5.6.290.0120.06420.92
5.6.280.0070.03720.78
5.6.270.0040.04320.90
5.6.260.0160.03920.85
5.6.250.0070.04020.91
5.6.240.0030.04720.91
5.6.230.0090.04120.77
5.6.220.0000.04620.83
5.6.210.0060.03920.91
5.6.200.0000.05021.04
5.6.190.0000.04820.75
5.6.180.0070.03920.73
5.6.170.0140.04420.86
5.6.160.0060.03620.96
5.6.150.0040.04320.82
5.6.140.0100.06620.90
5.6.130.0030.04620.80
5.6.120.0130.03220.96
5.6.110.0030.04920.80
5.6.100.0030.04520.95
5.6.90.0070.03720.84
5.6.80.0070.03920.24
5.6.70.0200.03720.35
5.6.60.0030.04020.20
5.6.50.0030.04020.22
5.6.40.0070.03720.24
5.6.30.0060.04220.09
5.6.20.0060.03620.35
5.6.10.0030.04020.13
5.6.00.0000.04920.15
5.5.380.0030.04317.50
5.5.370.0070.04217.48
5.5.360.0070.05017.47
5.5.350.0030.04017.46
5.5.340.0100.04918.02
5.5.330.0130.03518.05
5.5.320.0060.03818.03
5.5.310.0000.04117.75
5.5.300.0000.04717.93
5.5.290.0000.04318.07
5.5.280.0030.08617.99
5.5.270.0030.05217.95
5.5.260.0070.04118.03
5.5.250.0040.04617.77
5.5.240.0030.03717.38
5.5.230.0030.03717.40
5.5.220.0030.04417.39
5.5.210.0000.04517.31
5.5.200.0060.03517.19
5.5.190.0070.03917.34
5.5.180.0070.03617.28
5.5.160.0030.03817.38
5.5.150.0090.03417.31
5.5.140.0060.04117.41
5.5.130.0030.03917.41
5.5.120.0030.05017.05
5.5.110.0090.03617.28
5.5.100.0100.04017.32
5.5.90.0100.03717.27
5.5.80.0030.04817.26
5.5.70.0000.04817.06
5.5.60.0070.03717.27
5.5.50.0070.04716.98
5.5.40.0100.03817.26
5.5.30.0070.04017.30
5.5.20.0070.04317.29
5.5.10.0040.04017.18
5.5.00.0030.04517.17
5.4.450.0060.04219.34
5.4.440.0030.04319.40
5.4.430.0100.03519.21
5.4.420.0030.05019.35
5.4.410.0100.05419.33
5.4.400.0060.03519.06
5.4.390.0030.03719.03
5.4.380.0030.03818.86
5.4.370.0100.03319.06
5.4.360.0000.04519.02
5.4.350.0030.04018.82
5.4.340.0070.03319.06
5.4.320.0070.03318.96
5.4.310.0000.04018.89
5.4.300.0000.05119.13
5.4.290.0100.03519.00
5.4.280.0030.03819.01
5.4.270.0070.04418.98
5.4.260.0070.03818.82
5.4.250.0070.04119.03
5.4.240.0030.04319.05
5.4.230.0130.03419.03
5.4.220.0070.04219.13
5.4.210.0030.05019.15
5.4.200.0000.04219.13
5.4.190.0070.04818.84
5.4.180.0100.03719.04
5.4.170.0100.03519.05
5.4.160.0030.04119.06
5.4.150.0070.04718.98
5.4.140.0070.04916.32
5.4.130.0000.04816.49
5.4.120.0000.04016.50
5.4.110.0070.03716.63
5.4.100.0030.03616.55
5.4.90.0030.04016.46
5.4.80.0030.03616.52
5.4.70.0140.02816.62
5.4.60.0030.03916.32
5.4.50.0130.03716.54
5.4.40.0030.03916.39
5.4.30.0000.04316.59
5.4.20.0030.03616.59
5.4.10.0070.05516.65
5.4.00.0030.03715.84
5.3.290.0030.03815.18
5.3.280.0030.04615.18
5.3.270.0060.03615.18
5.3.260.0100.04215.18
5.3.250.0160.04515.18
5.3.240.0030.04415.18
5.3.230.0000.04215.18
5.3.220.0000.04015.18
5.3.210.0030.04115.18
5.3.200.0000.04015.18
5.3.190.0070.04415.18
5.3.180.0000.04015.18
5.3.170.0140.06915.18
5.3.160.0260.03615.18
5.3.150.0060.03815.18
5.3.140.0070.04315.18
5.3.130.0070.04015.18
5.3.120.0000.04515.18
5.3.110.0030.04315.18
5.3.100.0030.04315.18
5.3.90.0030.04215.18
5.3.80.0000.04315.18
5.3.70.0030.03915.18
5.3.60.0000.04215.18
5.3.50.0060.03515.18
5.3.40.0030.04315.18
5.3.30.0030.04015.18
5.3.20.0000.04215.18
5.3.10.0060.03515.18
5.3.00.0000.04915.18
5.2.170.0000.03715.18
5.2.160.0000.03415.18
5.2.150.0030.03415.18
5.2.140.0000.03515.18
5.2.130.0030.02915.18
5.2.120.0030.03215.18
5.2.110.0040.03215.18
5.2.100.0030.03215.18
5.2.90.0070.02615.18
5.2.80.0120.02215.18
5.2.70.0030.03615.18
5.2.60.0000.03915.18
5.2.50.0030.03115.18
5.2.40.0100.02715.18
5.2.30.0030.03015.18
5.2.20.0070.02415.18
5.2.10.0070.02815.18
5.2.00.0040.03215.18
5.1.60.0000.02915.18
5.1.50.0070.02415.18
5.1.40.0070.02315.18
5.1.30.0030.02915.18
5.1.20.0000.02915.18
5.1.10.0030.02415.18
5.1.00.0030.02915.18
5.0.50.0000.02615.18
5.0.40.0030.03615.18
5.0.30.0030.03715.18
5.0.20.0030.01715.18
5.0.10.0000.02115.18
5.0.00.0070.03015.18
4.4.90.0060.01615.18
4.4.80.0190.00915.18
4.4.70.0000.02215.18
4.4.60.0000.01815.18
4.4.50.0030.01815.18
4.4.40.0420.01315.18
4.4.30.0030.01615.18
4.4.20.0060.01215.18
4.4.10.0040.01415.18
4.4.00.0000.02515.18
4.3.110.0060.01915.18
4.3.100.0030.01415.18
4.3.90.0000.01815.18
4.3.80.0000.02815.18
4.3.70.0000.01915.18
4.3.60.0030.01415.18
4.3.50.0060.01515.18
4.3.40.0000.02815.18
4.3.30.0000.01615.18
4.3.20.0030.01715.18
4.3.10.0060.01215.18
4.3.00.0000.01615.18

preferences:
56.38 ms | 401 KiB | 5 Q