3v4l.org

run code in 300+ PHP versions simultaneously
<?php $chapter_full_path = "/last/"; $chapter_path_name = "last"; $chapter_path_name_length=strlen($chapter_path_name); $oldParentFullPathLength = strlen($chapter_full_path) - $chapter_path_name_length; $oldParentFullPath=substr($chapter_full_path,0,$oldParentFullPathLength-1); echo $oldParentFullPath;

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)
8.3.60.0070.00716.75
8.3.50.0060.01222.84
8.3.40.0040.01118.71
8.3.30.0100.00319.09
8.3.20.0000.00720.29
8.3.10.0060.00323.65
8.3.00.0080.00019.01
8.2.180.0120.00316.48
8.2.170.0070.01022.96
8.2.160.0090.00620.44
8.2.150.0020.00524.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0080.00020.95
8.2.110.0030.00620.53
8.2.100.0040.00717.72
8.2.90.0040.00419.23
8.2.80.0000.00817.97
8.2.70.0040.00717.49
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0000.00819.97
8.2.30.0040.00418.17
8.2.20.0040.00417.71
8.2.10.0040.00418.16
8.2.00.0060.00317.61
8.1.280.0150.00625.92
8.1.270.0050.00323.91
8.1.260.0000.00726.35
8.1.250.0050.00328.09
8.1.240.0090.00023.77
8.1.230.0100.00020.86
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00818.61
8.1.160.0000.00721.95
8.1.150.0070.00018.83
8.1.140.0040.00417.26
8.1.130.0040.00417.82
8.1.120.0000.00717.38
8.1.110.0080.00017.30
8.1.100.0050.00217.39
8.1.90.0040.00417.38
8.1.80.0040.00417.42
8.1.70.0030.00317.25
8.1.60.0080.00017.42
8.1.50.0050.00317.36
8.1.40.0090.00017.48
8.1.30.0040.00417.61
8.1.20.0000.00817.56
8.1.10.0040.00417.49
8.1.00.0000.00817.28
8.0.300.0060.00318.77
8.0.290.0050.00216.75
8.0.280.0030.00318.31
8.0.270.0000.00717.17
8.0.260.0000.00617.17
8.0.250.0000.00716.83
8.0.240.0040.00416.90
8.0.230.0070.00016.76
8.0.220.0060.00016.80
8.0.210.0030.00316.85
8.0.200.0060.00016.89
8.0.190.0040.00416.89
8.0.180.0000.00716.91
8.0.170.0040.00416.77
8.0.160.0040.00416.89
8.0.150.0030.00316.64
8.0.140.0040.00416.60
8.0.130.0060.00313.26
8.0.120.0050.00516.70
8.0.110.0030.00516.84
8.0.100.0070.00016.70
8.0.90.0070.00016.62
8.0.80.0100.00616.80
8.0.70.0040.00416.70
8.0.60.0080.00016.66
8.0.50.0040.00416.81
8.0.30.0090.00917.16
8.0.20.0090.01217.40
8.0.10.0050.00216.96
8.0.00.0050.01216.88
7.4.330.0020.00215.00
7.4.320.0030.00316.52
7.4.300.0070.00016.56
7.4.290.0060.00016.46
7.4.280.0000.00716.34
7.4.270.0040.00416.53
7.4.260.0030.00516.34
7.4.250.0040.00416.50
7.4.240.0030.00316.44
7.4.230.0070.00016.54
7.4.220.0070.01016.45
7.4.210.0060.00816.52
7.4.200.0000.00716.23
7.4.160.0040.01116.38
7.4.150.0110.00717.40
7.4.140.0130.00717.86
7.4.130.0110.00716.48
7.4.120.0090.00916.39
7.4.110.0030.01616.55
7.4.100.0070.01016.25
7.4.90.0100.00616.38
7.4.80.0140.00319.39
7.4.70.0080.00816.29
7.4.60.0160.00316.53
7.4.50.0080.00016.57
7.4.40.0030.01516.30
7.4.30.0080.00816.57
7.4.00.0100.00314.95
7.3.330.0070.00012.95
7.3.320.0060.00013.09
7.3.310.0040.00416.18
7.3.300.0000.00616.28
7.3.290.0100.01016.31
7.3.280.0110.00616.25
7.3.270.0070.01017.40
7.3.260.0080.01316.54
7.3.250.0100.01016.31
7.3.240.0130.00616.21
7.3.230.0150.00316.39
7.3.210.0110.00816.49
7.3.200.0090.00619.39
7.3.190.0100.00616.10
7.3.180.0060.00916.52
7.3.170.0030.01216.29
7.3.160.0150.00316.51
7.3.10.0050.00816.51
7.3.00.0080.00816.49
7.2.330.0110.01416.37
7.2.320.0070.01616.59
7.2.310.0120.00916.57
7.2.300.0140.00716.70
7.2.290.0130.01016.60
7.2.130.0090.00316.52
7.2.120.0030.00816.76
7.2.110.0100.00716.73
7.2.100.0070.01016.91
7.2.90.0070.00616.82
7.2.80.0070.00716.83
7.2.70.0040.01216.73
7.2.60.0090.00616.87
7.2.50.0080.00816.79
7.2.40.0080.00616.85
7.2.30.0080.00716.85
7.2.20.0070.00616.69
7.2.10.0070.00716.88
7.2.00.0030.01117.49
7.1.250.0050.00715.59
7.1.200.0070.00715.81
7.1.100.0040.00818.35
7.1.70.0070.00317.28
7.1.60.0130.01319.46
7.1.50.0090.00617.11
7.1.00.0000.08022.51
7.0.200.0040.00416.62
7.0.140.0030.07322.18
7.0.60.0030.05319.91
7.0.50.0000.08317.80
7.0.40.0070.05020.19
7.0.30.0400.05720.26
7.0.20.0330.06320.13
7.0.10.0130.07020.28
7.0.00.0000.09020.16
5.6.280.0100.06320.95
5.6.210.0130.05020.50
5.6.200.0100.05718.16
5.6.190.0000.05020.60
5.6.180.3100.04720.77
5.6.170.0230.04720.33
5.6.160.0030.08320.34
5.6.150.0100.07718.18
5.6.140.0070.06318.18
5.6.130.0030.08318.22
5.6.120.0030.05721.12
5.6.110.0070.05720.98
5.6.100.0070.09321.10
5.6.90.0070.05320.94
5.6.80.0100.07320.40
5.6.70.4600.03320.27
5.5.350.0230.07320.52
5.5.340.0030.08317.86
5.5.330.0030.04320.25
5.5.320.0400.07020.34
5.5.310.0270.03720.24
5.5.300.0130.07317.88
5.5.290.0000.06017.96
5.5.280.0100.08020.76
5.5.270.0070.04020.87
5.5.260.0030.04320.83
5.5.250.0100.03320.49
5.5.240.0230.07020.27
5.4.450.0230.04319.39
5.4.440.0500.05019.43
5.4.430.0400.04019.42
5.4.420.0300.04319.23
5.4.410.0570.04019.26
5.4.400.0570.02718.75
5.4.390.0330.04018.81
5.4.380.0300.05018.49
5.4.370.0370.05018.71
5.4.360.0370.05318.62
5.4.350.0230.06318.64
5.4.340.0370.05718.52
5.4.320.0060.03612.45
5.4.310.0120.03212.45
5.4.300.0060.03712.45
5.4.290.0070.03612.45
5.4.280.0040.03612.35
5.4.270.0050.03612.34
5.4.260.0050.03712.34
5.4.250.0050.03712.35
5.4.240.0080.03512.34
5.4.230.0040.04012.34
5.4.220.0040.03812.34
5.4.210.0030.03812.34
5.4.200.0050.04612.34
5.4.190.0060.04212.34
5.4.180.0070.03512.34
5.4.170.0080.03212.34
5.4.160.0070.03312.34
5.4.150.0070.03512.34
5.4.140.0070.03412.02
5.4.130.0040.03612.01
5.4.120.0060.03411.96
5.4.110.0050.03511.96
5.4.100.0070.03811.96
5.4.90.0070.03511.96
5.4.80.0070.03511.96
5.4.70.0050.03811.96
5.4.60.0040.03611.96
5.4.50.0080.03311.96
5.4.40.0020.03911.95
5.4.30.0040.03711.95
5.4.20.0100.03011.94
5.4.10.0020.03611.95
5.4.00.0060.03511.43
5.3.290.0080.03712.80
5.3.280.0070.03512.71
5.3.270.0060.04412.73
5.3.260.0050.04012.72
5.3.250.0040.03912.72
5.3.240.0050.03712.72
5.3.230.0110.03312.71
5.3.220.0070.03612.68
5.3.210.0090.04612.68
5.3.200.0060.03612.68
5.3.190.0080.03612.67
5.3.180.0040.04012.67
5.3.170.0040.03912.67
5.3.160.0080.03412.67
5.3.150.0040.03812.68
5.3.140.0050.03712.66
5.3.130.0060.03912.66
5.3.120.0070.03812.66
5.3.110.0040.04112.66
5.3.100.0050.03912.12
5.3.90.0070.03612.08
5.3.80.0050.03712.08
5.3.70.0060.03612.08
5.3.60.0070.03512.07
5.3.50.0060.03712.00
5.3.40.0070.03612.00
5.3.30.0060.03611.94
5.3.20.0070.03711.72
5.3.10.0060.03411.69
5.3.00.0040.04711.67
5.2.170.0020.0339.18
5.2.160.0030.0319.18
5.2.150.0050.0309.18
5.2.140.0050.0319.18
5.2.130.0040.0309.14
5.2.120.0060.0289.13
5.2.110.0080.0329.14
5.2.100.0070.0349.14
5.2.90.0050.0309.14
5.2.80.0020.0409.14
5.2.70.0040.0329.13
5.2.60.0040.0329.09
5.2.50.0060.0309.05
5.2.40.0050.0319.04
5.2.30.0050.0299.01
5.2.20.0090.0269.00
5.2.10.0070.0298.91
5.2.00.0050.0328.78
5.1.60.0010.0278.06
5.1.50.0060.0228.06
5.1.40.0060.0228.04
5.1.30.0050.0258.39
5.1.20.0070.0258.41
5.1.10.0020.0278.13
5.1.00.0060.0258.14
5.0.50.0020.0236.61
5.0.40.0030.0206.47
5.0.30.0050.0356.29
5.0.20.0030.0196.26
5.0.10.0020.0206.24
5.0.00.0030.0316.23
4.4.90.0010.0184.78
4.4.80.0040.0144.75
4.4.70.0010.0174.75
4.4.60.0030.0154.76
4.4.50.0030.0174.77
4.4.40.0040.0264.71
4.4.30.0060.0164.76
4.4.20.0030.0194.85
4.4.10.0030.0154.85
4.4.00.0020.0254.76
4.3.110.0030.0164.67
4.3.100.0030.0154.66
4.3.90.0030.0144.64
4.3.80.0030.0244.58
4.3.70.0020.0194.63
4.3.60.0020.0204.63
4.3.50.0050.0194.63
4.3.40.0020.0284.53
4.3.30.0020.0153.28
4.3.20.0020.0153.26
4.3.10.0000.0203.22
4.3.00.0000.01715.68

preferences:
48.13 ms | 401 KiB | 5 Q