3v4l.org

run code in 300+ PHP versions simultaneously
<?php $strings = ["folders/folder1/folder5/../../folder2", "folders/folder1/../../../folder2", "folders/folder1/folder5/../folder2"]; foreach ($strings as $url) { echo preg_replace('~(?<=/|^)(?!\.\.(?![^/]))[^/\n]+/(?R)?\.\.(?:/|$)~', '', $url) . PHP_EOL; }

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)
8.4.120.0110.00820.73
8.4.110.0060.00518.70
8.4.100.0120.00818.85
8.4.90.0060.00220.42
8.4.80.0060.00818.02
8.4.70.0040.00517.86
8.4.60.0130.00720.84
8.4.50.0090.00820.53
8.4.40.0150.00619.58
8.4.30.0120.00318.61
8.4.20.0110.01118.84
8.4.10.0100.01020.56
8.3.250.0120.00717.00
8.3.240.0110.00716.70
8.3.230.0150.00616.87
8.3.220.0040.00418.91
8.3.210.0100.00818.53
8.3.200.0080.00416.72
8.3.190.0090.01017.21
8.3.180.0130.00616.72
8.3.170.0040.01517.08
8.3.160.0090.00920.82
8.3.150.0100.00617.35
8.3.140.0110.00417.19
8.3.130.0080.00016.59
8.3.120.0060.00920.68
8.3.110.0090.00020.94
8.3.100.0000.00816.79
8.3.90.0150.00026.77
8.3.80.0060.00316.63
8.3.70.0140.00718.43
8.3.60.0110.00418.30
8.3.50.0030.01718.25
8.3.40.0080.01318.85
8.3.30.0070.00718.92
8.3.20.0070.00724.18
8.3.10.0080.00024.66
8.3.00.0070.00326.16
8.2.290.0040.00420.18
8.2.280.0100.00618.39
8.2.270.0160.00317.28
8.2.260.0030.00616.73
8.2.250.0110.00718.88
8.2.240.0090.00617.00
8.2.230.0040.00422.58
8.2.220.0040.00424.06
8.2.210.0090.00926.77
8.2.200.0060.00316.63
8.2.190.0100.01016.58
8.2.180.0040.01125.92
8.2.170.0140.00022.96
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0090.00021.16
8.2.110.0030.00720.41
8.2.100.0080.00417.84
8.2.90.0000.00817.88
8.2.80.0030.00518.86
8.2.70.0050.00517.75
8.2.60.0050.00317.63
8.2.50.0000.00817.89
8.2.40.0000.00817.91
8.2.30.0050.00217.93
8.2.20.0060.00317.96
8.2.10.0070.00019.24
8.2.00.0000.00719.29
8.1.330.0070.00721.96
8.1.320.0080.01216.10
8.1.310.0110.00718.24
8.1.300.0090.00918.62
8.1.290.0000.01030.84
8.1.280.0070.01025.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0030.00628.09
8.1.240.0100.00023.61
8.1.230.0040.00820.92
8.1.220.0040.00418.74
8.1.210.0060.00318.77
8.1.200.0090.00017.25
8.1.190.0080.00017.22
8.1.180.0000.00818.10
8.1.170.0060.00317.62
8.1.160.0000.00718.92
8.1.150.0050.00318.93
8.1.140.0040.00420.63
8.1.130.0000.00720.21
8.1.120.0090.00017.64
8.1.110.0040.00417.66
8.1.100.0080.00317.62
8.1.90.0000.00717.56
8.1.80.0040.00717.61
8.1.70.0030.00317.61
8.1.60.0040.00417.78
8.1.50.0000.00817.58
8.1.40.0000.00717.61
8.1.30.0040.00417.81
8.1.20.0080.00017.82
8.1.10.0040.00417.62
8.1.00.0080.00017.43
8.0.300.0050.00318.77
8.0.290.0000.00816.75
8.0.280.0060.00318.57
8.0.270.0030.00318.21
8.0.260.0070.00018.59
8.0.250.0070.00017.02
8.0.240.0030.00317.04
8.0.230.0000.00717.10
8.0.220.0000.00716.91
8.0.210.0040.00416.90
8.0.200.0000.00717.02
8.0.190.0000.00817.10
8.0.180.0040.00417.03
8.0.170.0040.00417.07
8.0.160.0050.00317.16
8.0.150.0000.00717.05
8.0.140.0040.00417.04
8.0.130.0030.00313.46
8.0.120.0040.00416.95
8.0.110.0040.00417.05
8.0.100.0000.00716.86
8.0.90.0040.00417.08
8.0.80.0050.01117.02
8.0.70.0000.00716.82
8.0.60.0060.00317.08
8.0.50.0080.00016.94
8.0.30.0180.01416.89
8.0.20.0220.00716.90
8.0.10.0200.00517.10
8.0.00.0200.00817.14
7.4.330.0000.00515.55
7.4.320.0040.00416.58
7.4.300.0000.00616.71
7.4.290.0070.00316.70
7.4.280.0080.00016.80
7.4.270.0070.00016.77
7.4.260.0050.00013.39
7.4.250.0040.00416.80
7.4.240.0030.00316.79
7.4.230.0000.00716.73
7.4.220.0000.00716.84
7.4.210.0050.01016.82
7.4.200.0070.00016.89
7.4.160.0260.00316.67
7.4.150.0270.00916.77
7.4.140.0210.01016.73
7.4.130.0190.00916.81
7.4.120.0210.00816.75
7.4.110.0170.01316.52
7.4.100.0240.00516.68
7.4.90.0210.01116.58
7.4.80.0220.00916.86
7.4.70.0250.00716.50
7.4.60.0200.01016.62
7.4.50.0190.01516.52
7.4.40.0180.00916.47
7.4.30.0220.00416.54
7.4.20.0250.00616.63
7.4.10.0230.00316.58
7.4.00.0180.01216.45
7.3.330.0030.00316.35
7.3.320.0000.00513.32
7.3.310.0070.00016.56
7.3.300.0070.00016.42
7.3.290.0110.00516.47
7.3.280.0240.00816.47
7.3.270.0310.00616.34
7.3.260.0240.00816.32
7.3.250.0260.00816.43
7.3.240.0310.00416.38
7.3.230.0280.00616.38
7.3.220.0220.01116.35
7.3.210.0200.01016.37
7.3.200.0250.00716.37
7.3.190.0170.01716.35
7.3.180.0300.00416.32
7.3.170.0260.00916.34
7.3.160.0120.01916.30
7.3.150.0220.01016.26
7.3.140.0250.00616.36
7.3.130.0230.00516.27
7.3.120.0310.00316.37
7.3.110.0200.00716.29
7.3.100.0200.00916.25
7.3.90.0170.00916.61
7.3.80.0190.01416.34
7.3.70.0200.01216.47
7.3.60.0230.00916.48
7.3.50.0210.01216.44
7.3.40.0190.00516.49
7.3.30.0150.01016.51
7.3.20.0180.00916.62
7.3.10.0260.00916.46
7.3.00.0320.00016.48

preferences:
135.73 ms | 403 KiB | 5 Q