3v4l.org

run code in 300+ PHP versions simultaneously
<?php $que = 'bbb ahhj aaab cc iiik xxx fjjj baaaaaab yyyaaa'; echo preg_replace("/\\b([a-z])\\1+(?!\\1|\\b)|(?<=([a-z]))((?!\\2)[a-z])\\3+/","$1$3",$que);

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)
8.5.20.0100.00721.78
8.5.10.0120.00516.65
8.5.00.0130.00919.95
8.4.170.0110.01023.92
8.4.160.0110.01022.11
8.4.150.0020.00014.05
8.4.140.0120.00917.86
8.4.130.0130.00817.98
8.4.120.0070.00920.50
8.4.110.0100.00718.84
8.4.100.0130.00818.60
8.4.90.0080.00918.89
8.4.80.0070.00120.66
8.4.70.0120.00918.07
8.4.60.0070.01318.73
8.4.50.0080.01118.54
8.4.40.0120.00818.78
8.4.30.0150.00018.89
8.4.20.0180.00320.03
8.4.10.0090.00619.37
8.3.290.0110.01020.86
8.3.280.0150.00618.27
8.3.270.0110.00916.64
8.3.260.0090.01016.50
8.3.250.0140.00618.96
8.3.240.0120.00716.95
8.3.230.0130.00716.63
8.3.220.0100.01018.96
8.3.210.0140.00418.52
8.3.200.0050.00416.78
8.3.190.0110.00817.07
8.3.180.0080.00716.99
8.3.170.0160.00318.70
8.3.160.0190.00017.08
8.3.150.0050.00319.08
8.3.140.0070.00718.87
8.3.130.0060.00318.43
8.3.120.0100.00020.59
8.3.110.0090.00020.94
8.3.100.0030.00624.06
8.3.90.0150.00026.77
8.3.80.0060.00318.30
8.3.70.0170.00316.50
8.3.60.0070.01418.23
8.3.50.0140.00418.59
8.3.40.0100.01319.88
8.3.30.0110.01120.88
8.3.20.0100.01023.52
8.3.10.0130.00723.57
8.3.00.0120.00620.67
8.2.300.0150.00720.36
8.2.290.0130.00620.26
8.2.280.0140.00618.77
8.2.270.0040.01417.29
8.2.260.0000.00818.79
8.2.250.0060.00316.82
8.2.240.0050.00518.83
8.2.230.0030.00622.58
8.2.220.0030.00737.54
8.2.210.0160.00326.77
8.2.200.0040.00418.79
8.2.190.0100.00616.58
8.2.180.0040.01116.75
8.2.170.0090.00918.85
8.2.160.0070.01120.14
8.2.150.0120.00619.16
8.2.140.0070.01420.38
8.2.130.0110.00420.53
8.2.120.0140.00719.16
8.2.110.0090.00619.27
8.2.100.0090.01219.26
8.2.90.0040.01820.94
8.2.80.0150.00621.04
8.2.70.0060.01320.50
8.2.60.0110.01118.95
8.2.50.0060.01219.26
8.2.40.0070.01419.03
8.2.30.0090.01318.87
8.2.20.0160.00618.75
8.2.10.0140.00718.87
8.2.00.0030.01618.78
8.1.340.0110.00817.76
8.1.330.0080.01022.01
8.1.320.0120.00816.23
8.1.310.0110.00418.35
8.1.300.0050.00518.39
8.1.290.0140.00030.84
8.1.280.0060.00925.92
8.1.270.0070.00722.18
8.1.260.0120.00621.98
8.1.250.0000.01522.07
8.1.240.0180.00018.70
8.1.230.0110.00718.51
8.1.220.0070.01118.75
8.1.210.0090.00918.43
8.1.200.0070.01118.75
8.1.190.0170.00318.68
8.1.180.0110.00718.36
8.1.170.0100.01318.56
8.1.160.0070.01518.56
8.1.150.0200.00318.57
8.1.140.0130.00920.43
8.1.130.0070.01320.52
8.1.120.0100.01320.46
8.1.110.0180.00620.31
8.1.100.0040.01121.70
8.1.90.0070.00720.31
8.1.80.0090.00621.59
8.1.70.0090.00620.53
8.1.60.0080.00820.45
8.1.50.0120.00320.49
8.1.40.0070.00720.50
8.1.30.0090.00620.72
8.1.20.0080.00821.83
8.1.10.0000.01520.68
8.1.00.0150.00020.54

preferences:
35.28 ms | 403 KiB | 5 Q