3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "####KELLY##### and ###ANOTHER###### not ####foo#### but: ###SHARE###MIDDLE###HASHES### ?"; echo $str . "\n"; echo preg_replace('/(?:#{3}|\G(?!^))\K[A-Z](?=[A-Z]*#{3})/', '#', $str);

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)
8.4.130.0110.00918.63
8.4.120.0090.01123.85
8.4.110.0090.01020.50
8.4.100.0060.00318.78
8.4.90.0130.00722.55
8.4.80.0060.00217.89
8.4.70.0030.00517.81
8.4.60.0070.00318.59
8.4.50.0080.00117.93
8.4.40.0060.01319.60
8.4.30.0030.00620.29
8.4.20.0000.01918.80
8.4.10.0000.00917.98
8.3.260.0050.00416.84
8.3.250.0140.00518.80
8.3.240.0110.01017.14
8.3.230.0050.00518.30
8.3.220.0030.00418.79
8.3.210.0110.00916.59
8.3.200.0110.01116.66
8.3.190.0090.00918.78
8.3.180.0070.00818.33
8.3.170.0080.00816.90
8.3.160.0070.00718.46
8.3.150.0130.00617.13
8.3.140.0120.00618.79
8.3.130.0050.00318.35
8.3.120.0070.00718.80
8.3.110.0050.00320.94
8.3.100.0030.00616.78
8.3.90.0040.00426.77
8.3.80.0030.00616.63
8.3.70.0090.00616.58
8.3.60.0110.01116.75
8.3.50.0040.01417.94
8.3.40.0070.01118.85
8.3.30.0110.00418.97
8.3.20.0080.00024.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.290.0120.00722.35
8.2.280.0050.00418.63
8.2.270.0150.00316.89
8.2.260.0130.00616.90
8.2.250.0080.00016.91
8.2.240.0000.00917.07
8.2.230.0080.00022.58
8.2.220.0030.00624.06
8.2.210.0050.00326.77
8.2.200.0000.00916.63
8.2.190.0060.00916.63
8.2.180.0040.01125.92
8.2.170.0150.00019.08
8.2.160.0140.00022.96
8.2.150.0070.00025.66
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0060.00326.16
8.2.110.0030.00722.26
8.2.100.0070.00717.84
8.2.90.0080.00017.88
8.2.80.0000.00918.84
8.2.70.0030.00617.88
8.2.60.0040.00417.63
8.2.50.0080.00318.07
8.2.40.0040.00418.21
8.2.30.0000.00717.96
8.2.20.0050.00218.02
8.2.10.0060.00321.12
8.2.00.0030.00619.14
8.1.330.0120.00821.75
8.1.320.0110.00419.71
8.1.310.0040.01116.86
8.1.300.0050.00518.52
8.1.290.0060.00330.84
8.1.280.0090.00925.92
8.1.270.0050.00322.08
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0040.00720.40
8.1.230.0040.00817.77
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0060.00317.35
8.1.190.0040.00417.51
8.1.180.0030.00518.10
8.1.170.0040.00418.61
8.1.160.0000.00718.88
8.1.150.0050.00318.86
8.1.140.0000.00719.04
8.1.130.0030.00320.03
8.1.120.0070.00017.45
8.1.110.0030.00517.43
8.1.100.0000.00717.54
8.1.90.0040.00417.53
8.1.80.0060.00317.48
8.1.70.0070.00017.43
8.1.60.0000.00917.63
8.1.50.0040.00417.50
8.1.40.0050.00217.61
8.1.30.0000.00817.75
8.1.20.0030.00517.70
8.1.10.0030.00517.55
8.1.00.0040.00417.50
8.0.300.0040.00418.90
8.0.290.0070.00016.75
8.0.280.0050.00318.46
8.0.270.0000.00718.18
8.0.260.0000.00618.51
8.0.250.0020.00517.06
8.0.240.0040.00417.12
8.0.230.0000.00717.14
8.0.220.0030.00316.93
8.0.210.0000.00817.00
8.0.200.0000.00717.16
8.0.190.0040.00417.05
8.0.180.0000.01017.09
8.0.170.0030.00717.04
8.0.160.0000.00817.08
8.0.150.0000.00817.06
8.0.140.0060.00317.05
8.0.130.0060.00013.50
8.0.120.0090.00016.93
8.0.110.0040.00416.97
8.0.100.0040.00417.00
8.0.90.0000.00717.10
8.0.80.0070.00817.02
8.0.70.0070.00717.01
8.0.60.0100.00516.98
8.0.50.0060.00917.06
8.0.30.0100.01017.03
8.0.20.0000.01617.16
8.0.10.0100.00517.07
8.0.00.0060.01517.14
7.4.330.0050.00016.68
7.4.320.0060.00016.79
7.4.300.0000.00716.65
7.4.290.0000.00816.68
7.4.280.0050.00216.54
7.4.270.0000.00716.63
7.4.260.0050.00013.38
7.4.250.0000.00716.63
7.4.240.0020.00516.72
7.4.230.0040.00416.82
7.4.220.0070.00016.63
7.4.210.0060.00916.61
7.4.200.0000.01416.61
7.4.190.0120.00916.75
7.4.180.0090.00616.83
7.4.160.0150.00416.80
7.4.150.0000.01516.67
7.4.140.0000.01316.73
7.4.130.0070.00816.68
7.4.120.0140.00616.77
7.4.110.0040.01116.68
7.4.100.0070.00716.68
7.4.90.0000.01416.53
7.4.80.0090.00616.68
7.4.70.0030.01216.63
7.4.60.0090.00616.68
7.4.50.0180.00316.68
7.4.40.0100.01016.50
7.4.30.0060.00916.75
7.4.20.0070.00716.49
7.4.10.0000.01416.69
7.4.00.0000.01516.63
7.3.330.0040.00416.32
7.3.320.0030.00313.11
7.3.310.0030.00316.35
7.3.300.0060.00016.29
7.3.290.0120.00316.33
7.3.280.0110.00816.40
7.3.270.0030.01316.42
7.3.260.0070.00716.34
7.3.250.0060.00816.38
7.3.240.0070.00716.35
7.3.230.0070.00716.29
7.3.220.0070.01116.29
7.3.210.0060.00816.36
7.3.200.0070.00716.38
7.3.190.0000.01216.30
7.3.180.0100.00316.32
7.3.170.0070.00716.31
7.3.160.0060.00916.39
7.3.150.0090.00616.29
7.3.140.0060.00916.23
7.3.130.0040.01016.30
7.3.120.0080.00816.21
7.3.110.0070.00716.27
7.3.100.0070.00716.26
7.3.90.0060.00916.60
7.3.80.0090.00616.32
7.3.70.0100.01016.43
7.3.60.0030.01016.59
7.3.50.0030.01016.52
7.3.40.0000.01416.55
7.3.30.0030.01016.55
7.3.20.0070.00716.48
7.3.10.0040.01416.50
7.3.00.0180.00416.55

preferences:
154.44 ms | 403 KiB | 5 Q