3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'aaaaabbbcccccccccdddee'; var_export(preg_match_all('/(?:(.)\1{3,}(*SKIP)(*F)|(.)\2{2})/', $string, $m) ? $m[0] : 'no 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)
8.4.140.0150.00617.65
8.4.130.0100.01018.77
8.4.120.0030.00624.05
8.4.110.0060.00320.54
8.4.100.0120.00817.82
8.4.90.0110.01017.95
8.4.80.0080.00917.92
8.4.70.0120.00917.85
8.4.60.0160.00518.47
8.4.50.0140.00717.75
8.4.40.0160.00319.77
8.4.30.0160.00318.46
8.4.20.0150.00617.98
8.4.10.0040.00420.37
8.3.270.0110.00916.70
8.3.260.0100.01016.64
8.3.250.0090.00917.25
8.3.240.0100.00917.30
8.3.230.0110.00916.78
8.3.220.0050.00317.36
8.3.210.0120.00716.63
8.3.200.0040.00516.56
8.3.190.0130.00716.99
8.3.180.0090.00916.88
8.3.170.0070.01118.57
8.3.160.0090.00917.30
8.3.150.0170.00317.00
8.3.140.0060.01216.84
8.3.130.0000.00816.58
8.3.120.0080.00018.71
8.3.110.0030.00620.94
8.3.100.0120.00316.54
8.3.90.0040.00426.77
8.3.80.0090.00016.50
8.3.70.0070.00716.58
8.3.60.0070.01116.63
8.3.50.0000.01620.20
8.3.40.0070.00720.97
8.3.30.0030.01018.92
8.3.20.0070.00024.18
8.3.10.0000.00824.66
8.3.00.0050.00326.16
8.2.290.0080.00820.25
8.2.280.0070.00220.51
8.2.270.0070.01117.29
8.2.260.0060.00918.49
8.2.250.0050.00318.71
8.2.240.0060.00317.20
8.2.230.0060.00322.58
8.2.220.0040.00724.06
8.2.210.0050.00526.77
8.2.200.0090.00018.41
8.2.190.0070.01416.75
8.2.180.0070.01125.92
8.2.170.0140.00318.96
8.2.160.0120.00322.96
8.2.150.0070.00025.66
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0070.00021.25
8.2.110.0060.00322.27
8.2.100.0090.00317.84
8.2.90.0000.00817.88
8.2.80.0040.00418.86
8.2.70.0040.00417.88
8.2.60.0000.00817.88
8.2.50.0040.00417.98
8.2.40.0000.00920.01
8.2.30.0040.00418.20
8.2.20.0000.00720.39
8.2.10.0040.00418.07
8.2.00.0070.00319.20
8.1.330.0140.00621.93
8.1.320.0090.00916.40
8.1.310.0090.00916.54
8.1.300.0110.00817.90
8.1.290.0000.00930.84
8.1.280.0060.00925.92
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0080.00320.66
8.1.230.0150.00017.82
8.1.220.0030.00617.79
8.1.210.0030.00518.77
8.1.200.0000.00817.35
8.1.190.0030.00617.25
8.1.180.0000.00818.10
8.1.170.0080.00017.62
8.1.160.0040.00418.84
8.1.150.0000.00818.64
8.1.140.0070.00017.52
8.1.130.0030.00318.77
8.1.120.0040.00417.56
8.1.110.0040.00417.39
8.1.100.0030.00417.56
8.1.90.0030.00517.52
8.1.80.0040.00417.44
8.1.70.0000.00717.51
8.1.60.0050.00317.68
8.1.50.0030.00617.61
8.1.40.0120.00317.57
8.1.30.0180.00717.70
8.1.20.0210.00417.64
8.1.10.0190.00517.70
8.1.00.0210.00317.58
8.0.300.0000.00918.77
8.0.290.0040.00416.88
8.0.280.0000.00718.35
8.0.270.0030.00316.90
8.0.260.0000.00618.49
8.0.250.0000.00716.94
8.0.240.0040.00417.04
8.0.230.0030.00316.92
8.0.220.0000.00716.86
8.0.210.0040.00416.88
8.0.200.0030.00317.04
8.0.190.0030.00617.01
8.0.180.0000.00817.03
8.0.170.0130.00616.92
8.0.160.0150.00516.94
8.0.150.0140.00316.86
8.0.140.0200.00016.93
8.0.130.0130.00716.82
8.0.120.0120.00816.91
8.0.110.0130.00616.86
8.0.100.0100.01016.84
8.0.90.0190.00016.79
8.0.80.0170.00316.96
8.0.70.0150.00616.88
8.0.60.0170.00316.88
8.0.50.0160.00316.84
8.0.30.0140.00617.00
8.0.20.0200.00016.95
8.0.10.0170.00317.05
7.4.330.0000.00515.55
7.4.320.0000.00716.64
7.4.300.0000.00816.77
7.4.290.0080.00016.61
7.4.280.0200.00316.66
7.4.270.0240.00016.54
7.4.260.0120.00916.77
7.4.250.0090.00616.71
7.4.240.0120.00516.53
7.4.230.0150.00416.58
7.4.220.0140.00316.80
7.4.210.0190.00316.79
7.4.200.0160.00416.64
7.4.190.0070.00816.81
7.4.180.0140.00416.79
7.4.160.0160.00316.64
7.4.150.0150.00316.66
7.4.140.0150.00316.63
7.4.130.0090.00916.60
7.4.120.0200.00016.61
7.4.110.0130.00516.71
7.4.100.0170.00016.58
7.4.90.0190.00016.58
7.4.80.0110.00416.51
7.4.70.0110.00616.56
7.4.60.0110.00716.61
7.4.50.0160.00016.48
7.4.40.0160.00016.39
7.4.30.0070.00716.46
7.4.20.0090.00316.41
7.4.10.0130.00016.45
7.4.00.0050.00516.34

preferences:
29.32 ms | 403 KiB | 5 Q