3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "a.a.a b.b..b c....c....c d...d..d e.e"; echo preg_match('~(?<=^|\s)([a-z])(?:\.\1?){5,6}\1(?=$|\s)~', $string, $match) ? $match[0] : 'no match';

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)
8.5.10.0110.00716.94
8.5.00.0120.01020.10
8.4.150.0030.00014.05
8.4.140.0110.01017.68
8.4.130.0140.00718.64
8.4.120.0040.00524.22
8.4.110.0110.00918.09
8.4.100.0060.00719.12
8.4.90.0090.01120.65
8.4.80.0070.00218.95
8.4.70.0150.00518.03
8.4.60.0090.01018.48
8.4.50.0100.01018.09
8.4.40.0030.00617.78
8.4.30.0100.01020.46
8.4.20.0070.01418.10
8.4.10.0040.00419.44
8.3.280.0100.01218.65
8.3.270.0150.00616.75
8.3.260.0130.00716.68
8.3.250.0130.00718.65
8.3.240.0110.00916.96
8.3.230.0090.01016.59
8.3.220.0120.00818.86
8.3.210.0040.00416.90
8.3.200.0040.00516.77
8.3.190.0070.01016.89
8.3.180.0130.00818.53
8.3.170.0160.00318.69
8.3.160.0070.01116.59
8.3.150.0040.00418.77
8.3.140.0050.00316.63
8.3.130.0070.01318.50
8.3.120.0120.00318.73
8.3.110.0200.00020.94
8.3.100.0070.01124.06
8.3.90.0040.00426.77
8.3.80.0060.00316.50
8.3.70.0070.00716.58
8.3.60.0190.00318.55
8.3.50.0070.00720.23
8.3.40.0170.00318.93
8.3.30.0070.00718.79
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0030.01026.16
8.2.290.0120.00720.35
8.2.280.0090.00518.51
8.2.270.0040.00417.37
8.2.260.0040.00418.88
8.2.250.0050.00316.79
8.2.240.0080.00017.15
8.2.230.0040.00422.58
8.2.220.0090.00037.54
8.2.210.0030.01026.77
8.2.200.0060.00316.88
8.2.190.0110.00416.63
8.2.180.0140.00725.92
8.2.170.0090.01219.19
8.2.160.0090.00922.96
8.2.150.0000.00825.66
8.2.140.0060.00324.66
8.2.130.0080.00026.16
8.2.120.0080.00326.16
8.2.110.0190.00022.56
8.2.100.0030.00718.28
8.2.90.0040.00417.88
8.2.80.0000.00818.89
8.2.70.0030.00618.00
8.2.60.0040.00417.93
8.2.50.0090.00318.07
8.2.40.0000.00818.16
8.2.30.0040.00418.16
8.2.20.0000.00819.37
8.2.10.0000.00717.77
8.2.00.0030.00319.17
8.1.330.0070.00121.89
8.1.320.0090.00816.47
8.1.310.0000.00818.32
8.1.300.0100.01018.65
8.1.290.0030.00718.88
8.1.280.0120.00325.92
8.1.270.0060.00322.11
8.1.260.0150.00026.35
8.1.250.0090.00628.09
8.1.240.0110.01123.80
8.1.230.0070.00318.97
8.1.220.0000.00818.85
8.1.210.0000.00818.77
8.1.200.0000.01017.36
8.1.190.0050.00317.35
8.1.180.0090.00018.10
8.1.170.0050.00518.71
8.1.160.0030.00618.73
8.1.150.0050.00218.60
8.1.140.0000.00817.55
8.1.130.0000.00718.79
8.1.120.0000.00817.59
8.1.110.0040.00417.48
8.1.100.0050.00217.55
8.1.90.0030.00517.48
8.1.80.0000.00817.42
8.1.70.0000.00817.55
8.1.60.0040.00417.60
8.1.50.0040.00417.64
8.1.40.0060.00617.60
8.1.30.0050.00517.57
8.1.20.0050.00217.71
8.1.10.0000.00817.67
8.1.00.0040.00417.67
8.0.300.0030.00518.77
8.0.290.0000.00716.88
8.0.280.0000.00718.39
8.0.270.0000.00718.21
8.0.260.0030.00318.52
8.0.250.0070.00017.12
8.0.240.0030.00316.99
8.0.230.0070.00016.95
8.0.220.0000.00716.93
8.0.210.0000.00716.98
8.0.200.0030.00316.97
8.0.190.0030.00616.92
8.0.180.0040.00416.97
8.0.170.0040.00417.00
8.0.160.0030.00616.98
8.0.150.0030.00516.87
8.0.140.0000.00816.93
8.0.130.0160.00816.74
8.0.120.0150.00816.92
8.0.110.0230.00016.79
8.0.100.0140.00916.87
8.0.90.0200.00316.92
8.0.80.0150.00916.89
8.0.70.0100.01416.84
8.0.60.0170.00717.02
8.0.50.0190.00516.99
8.0.30.0170.00716.86
8.0.20.0170.00716.94
8.0.10.0210.00317.15
8.0.00.0060.00617.09
7.4.330.0020.00215.55
7.4.320.0030.00316.64
7.4.300.0000.00616.67
7.4.290.0040.00416.65
7.4.280.0040.00416.76
7.4.270.0080.00016.67
7.4.260.0170.00916.61
7.4.250.0240.00416.73
7.4.240.0200.00516.63
7.4.230.0230.00516.55
7.4.220.0170.00616.61
7.4.210.0190.00216.81
7.4.200.0200.00316.82
7.4.190.0190.00316.55
7.4.180.0180.00316.70
7.4.160.0080.01316.60
7.4.150.0190.00316.62
7.4.140.0130.00916.65
7.4.130.0180.00416.65
7.4.120.0130.00916.56
7.4.110.0220.00016.66
7.4.100.0160.00716.63
7.4.90.0200.00316.45
7.4.80.0190.00416.63
7.4.70.0130.00916.62
7.4.60.0130.00916.53
7.4.50.0120.01016.57
7.4.40.0210.00016.47
7.4.30.0140.00716.64
7.4.20.0140.00716.47
7.4.10.0110.01116.41
7.4.00.0110.01116.64
7.3.330.0120.01116.26
7.3.320.0200.00316.50
7.3.310.0140.00916.28
7.3.300.0130.00916.35
7.3.290.0180.00616.17
7.3.280.0190.00416.41
7.3.270.0200.00416.44
7.3.260.0190.00416.31
7.3.250.0130.00916.27
7.3.240.0140.00816.42
7.3.230.0090.00616.49
7.3.220.0100.00516.36
7.3.210.0130.00316.31
7.3.200.0150.00016.29
7.3.190.0080.00816.32
7.3.180.0100.00516.32
7.3.170.0120.00316.16
7.3.160.0100.00616.00
7.3.150.0080.00816.20
7.3.140.0110.00516.07
7.3.130.0030.01216.18
7.3.120.0110.00416.17
7.3.110.0000.01515.95
7.3.100.0040.01116.13
7.3.90.0070.01016.52
7.3.80.0090.00616.42
7.3.70.0150.00016.51
7.3.60.0090.00616.49
7.3.50.0150.00016.50
7.3.40.0130.00216.45
7.3.30.0110.00316.61
7.3.20.0060.00918.10
7.3.10.0120.00318.29
7.3.00.0060.01018.30

preferences:
162.06 ms | 403 KiB | 5 Q