3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( preg_match('#(?:(.)\1{2,})#', 'xaaax') ); var_dump( preg_match('#(?:(.)\2{2,})#', 'xaaax') );

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)
8.3.60.0090.00918.46
8.3.50.0150.00522.17
8.3.40.0120.00318.74
8.3.30.0070.00718.79
8.3.20.0050.00220.34
8.3.10.0060.00320.71
8.3.00.0040.00421.81
8.2.180.0140.00417.00
8.2.170.0090.00622.96
8.2.160.0080.00822.20
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0050.00221.10
8.2.120.0080.00026.35
8.2.110.0070.00322.33
8.2.100.0090.00317.84
8.2.90.0040.00418.96
8.2.80.0040.00817.97
8.2.70.0030.00617.50
8.2.60.0040.00417.68
8.2.50.0030.00718.09
8.2.40.0000.00720.29
8.2.30.0000.00719.39
8.2.20.0000.00717.73
8.2.10.0000.00817.86
8.2.00.0070.00017.88
8.1.280.0070.00725.92
8.1.270.0080.00022.19
8.1.260.0050.00328.09
8.1.250.0040.00428.09
8.1.240.0060.00323.87
8.1.230.0070.00420.85
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0000.00817.11
8.1.180.0000.00918.10
8.1.170.0060.00318.54
8.1.160.0050.00220.64
8.1.150.0070.00018.77
8.1.140.0040.00417.46
8.1.130.0000.00817.42
8.1.120.0000.00717.41
8.1.110.0000.00817.44
8.1.100.0030.00517.38
8.1.90.0030.00517.38
8.1.80.0070.00017.51
8.1.70.0000.00717.48
8.1.60.0040.00417.55
8.1.50.0000.00817.53
8.1.40.0040.00417.55
8.1.30.0000.00817.71
8.1.20.0000.00817.62
8.1.10.0030.00617.55
8.1.00.0030.00617.47
8.0.300.0070.00018.77
8.0.290.0070.00016.75
8.0.280.0000.00718.34
8.0.270.0000.00716.94
8.0.260.0000.00616.77
8.0.250.0030.00317.05
8.0.240.0030.00317.05
8.0.230.0070.00016.96
8.0.220.0000.00916.94
8.0.210.0080.00016.96
8.0.200.0030.00316.91
8.0.190.0060.00316.96
8.0.180.0040.00417.00
8.0.170.0040.00416.88
8.0.160.0000.00717.00
8.0.150.0000.00716.86
8.0.140.0040.00716.93
8.0.130.0050.00013.38
8.0.120.0040.00416.85
8.0.110.0000.00716.79
8.0.100.0000.00716.92
8.0.90.0000.00717.04
8.0.80.0060.00916.91
8.0.70.0000.00817.01
8.0.60.0070.00016.94
8.0.50.0040.00417.00
8.0.30.0120.00417.09
8.0.20.0110.00917.40
8.0.10.0040.00417.15
8.0.00.0080.01216.86
7.4.330.0050.00016.68
7.4.320.0030.00316.64
7.4.300.0030.00316.57
7.4.290.0030.00316.70
7.4.280.0080.00016.55
7.4.270.0040.00416.49
7.4.260.0080.00016.46
7.4.250.0040.00416.55
7.4.240.0040.00416.54
7.4.230.0040.00416.42
7.4.220.0100.01316.66
7.4.210.0080.01116.64
7.4.200.0040.00416.77
7.4.160.0100.00716.52
7.4.150.0130.00417.40
7.4.140.0130.01117.86
7.4.130.0060.01616.60
7.4.120.0120.00616.63
7.4.110.0060.01016.63
7.4.100.0040.01616.73
7.4.90.0140.00316.50
7.4.80.0070.01119.39
7.4.70.0090.00916.54
7.4.60.0110.00716.82
7.4.50.0130.00316.55
7.4.40.0110.00616.61
7.4.30.0170.00016.50
7.4.00.0100.00715.14
7.3.330.0000.00513.25
7.3.320.0000.00513.17
7.3.310.0000.00716.21
7.3.300.0000.00716.29
7.3.290.0030.00316.14
7.3.280.0090.00816.31
7.3.270.0120.00617.40
7.3.260.0040.01316.36
7.3.250.0110.00616.46
7.3.240.0030.01616.38
7.3.230.0170.00316.59
7.3.210.0120.00616.33
7.3.200.0090.00916.36
7.3.190.0120.00316.57
7.3.180.0140.01016.27
7.3.170.0130.00616.39
7.3.160.0060.00916.41
7.3.120.0110.00714.83
7.3.110.0040.01414.58
7.3.100.0000.01514.52
7.3.90.0000.01015.06
7.3.80.0030.00714.86
7.3.70.0060.00314.72
7.3.60.0040.00914.92
7.3.50.0040.00714.97
7.3.40.0100.00714.70
7.3.30.0040.00914.75
7.3.20.0110.00316.70
7.3.10.0150.00616.52
7.3.00.0060.01416.70
7.2.330.0060.01216.49
7.2.320.0120.00616.52
7.2.310.0070.01016.66
7.2.300.0030.01416.63
7.2.290.0060.00916.55
7.2.250.0060.01214.81
7.2.240.0000.01915.06
7.2.230.0090.00915.09
7.2.220.0040.00815.21
7.2.210.0070.00714.98
7.2.200.0000.01015.06
7.2.190.0060.00915.11
7.2.180.0030.00914.79
7.2.170.0040.00815.05
7.2.130.0080.01416.79
7.2.120.0070.01016.94
7.2.110.0110.00316.83
7.2.100.0150.00416.65
7.2.90.0180.00616.50
7.2.80.0150.00516.61
7.2.70.0140.01116.68
7.2.60.0150.00616.50
7.2.50.0100.00716.79
7.2.40.0170.00316.75
7.2.30.0120.00417.05
7.2.20.0100.01016.94
7.2.10.0070.01116.64
7.2.00.0110.00418.12
7.1.330.0030.01015.87
7.1.320.0040.00815.65
7.1.310.0040.01115.82
7.1.300.0040.01415.92
7.1.290.0000.01315.80
7.1.280.0000.01015.73
7.1.270.0000.01415.98
7.1.260.0070.00715.74
7.1.250.0210.00415.68
7.1.100.0030.01018.37
7.1.70.0050.00317.23
7.1.60.0060.01919.40
7.1.50.0160.00634.72
7.1.00.0030.07722.46
7.0.200.0430.00714.85
7.0.100.0270.07019.88
7.0.90.0100.04720.01
7.0.80.0200.06319.98
7.0.70.0230.08019.93
7.0.60.0070.04720.05
7.0.50.0170.07020.32
7.0.40.0070.08020.05
7.0.30.0200.07020.08
7.0.20.0070.04020.14
7.0.10.0070.07020.12
7.0.00.0130.07319.95
5.6.280.0100.04020.91
5.6.250.0170.07020.51
5.6.240.0200.06720.63
5.6.230.0070.05020.68
5.6.220.0130.06320.57
5.6.210.0000.04720.66
5.6.200.0100.07720.91
5.6.190.0170.07721.13
5.6.180.0030.08320.95
5.6.170.0000.05320.93
5.6.160.0100.04021.13
5.6.150.0200.04321.16
5.6.140.0030.06321.16
5.6.130.0030.09021.05
5.6.120.0100.08321.13
5.6.110.0100.06720.99
5.6.100.0100.07320.94
5.6.90.0070.06020.98
5.6.80.0030.05320.41
5.6.70.0070.04320.48
5.6.60.0030.08020.41
5.6.50.0000.07020.41
5.6.40.0070.07720.45
5.6.30.0000.07720.36
5.6.20.0070.07720.28
5.6.10.0070.04720.43
5.6.00.0030.08320.50
5.5.380.0070.07720.43
5.5.370.0130.07720.36
5.5.360.0100.08320.35
5.5.350.0070.05320.44
5.5.340.0070.08020.81
5.5.330.0000.08720.73
5.5.320.0070.04320.79
5.5.310.0070.07320.82
5.5.300.0100.04320.89
5.5.290.0130.07720.77
5.5.280.0100.05020.85
5.5.270.0030.05020.89
5.5.260.0070.07720.85
5.5.250.0100.07720.59
5.5.240.0030.08320.29
5.5.230.0100.06720.20
5.5.220.0000.06320.28
5.5.210.0030.07020.24
5.5.200.0100.06720.07
5.5.190.0100.07320.15
5.5.180.0030.08720.13
5.5.160.0030.07720.27
5.5.150.0070.06319.98
5.5.140.0030.08320.09
5.5.130.0030.05720.26
5.5.120.0000.05020.25
5.5.110.0100.07720.11
5.5.100.0070.07020.11
5.5.90.0070.08020.05
5.5.80.0100.07320.04
5.5.70.0030.07320.05
5.5.60.0000.04720.13
5.5.50.0070.04320.13
5.5.40.0100.05320.01
5.5.30.0130.03320.06
5.5.20.0200.06320.13
5.5.10.0100.07019.96
5.5.00.0070.06720.10

preferences:
32.97 ms | 401 KiB | 5 Q