3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 'last'; $var[strlen($var) - 1] = ''; echo $var;

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)
8.3.40.0080.00618.69
8.3.30.0030.01019.05
8.3.20.0040.00420.22
8.3.10.0030.00523.66
8.3.00.0040.00417.63
8.2.170.0060.00922.96
8.2.160.0100.00320.28
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.01426.16
8.2.120.0040.00421.09
8.2.110.0040.00419.27
8.2.100.0080.00417.78
8.2.90.0000.00819.05
8.2.80.0030.00517.97
8.2.70.0050.00317.63
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0000.00717.99
8.2.30.0040.00418.11
8.2.20.0080.00017.78
8.2.10.0000.00817.99
8.2.00.0040.00417.86
8.1.270.0040.00423.78
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00622.19
8.1.230.0040.00719.00
8.1.220.0000.00717.74
8.1.210.0030.00518.77
8.1.200.0080.00417.25
8.1.190.0080.00017.35
8.1.180.0040.00418.10
8.1.170.0080.00018.50
8.1.160.0040.00421.92
8.1.150.0040.00418.78
8.1.140.0000.00717.44
8.1.130.0000.00717.78
8.1.120.0000.00717.37
8.1.110.0040.00417.43
8.1.100.0040.00417.35
8.1.90.0040.00417.45
8.1.80.0000.00717.38
8.1.70.0000.00717.38
8.1.60.0040.00417.53
8.1.50.0000.00817.53
8.1.40.0000.00717.51
8.1.30.0000.00817.66
8.1.20.0080.00017.55
8.1.10.0050.00217.46
8.1.00.0030.00617.39
8.0.300.0070.00020.10
8.0.290.0040.00416.75
8.0.280.0000.00718.46
8.0.270.0080.00017.29
8.0.260.0030.00317.17
8.0.250.0060.00016.91
8.0.240.0040.00416.95
8.0.230.0000.00716.88
8.0.220.0030.00316.96
8.0.210.0070.00016.88
8.0.200.0030.00316.84
8.0.190.0040.00417.01
8.0.180.0070.00017.04
8.0.170.0000.00817.03
8.0.160.0000.00716.93
8.0.150.0000.00716.80
8.0.140.0000.00716.88
8.0.130.0040.00413.38
8.0.120.0070.00016.95
8.0.110.0000.00716.87
8.0.100.0040.00416.97
8.0.90.0030.00317.02
8.0.80.0090.00616.93
8.0.70.0040.00416.87
8.0.60.0050.00216.95
8.0.50.0000.00716.97
8.0.30.0100.01317.13
8.0.20.0110.00817.40
8.0.10.0030.00517.02
8.0.00.0120.01016.96
7.4.330.0030.00315.00
7.4.320.0000.00616.51
7.4.300.0060.00016.57
7.4.290.0040.00416.51
7.4.280.0000.00816.43
7.4.270.0030.00316.42
7.4.260.0040.00416.47
7.4.250.0070.00016.39
7.4.240.0000.00716.51
7.4.230.0030.00316.60
7.4.220.0100.01016.39
7.4.210.0060.00916.69
7.4.200.0070.00016.33
7.4.160.0090.00616.45
7.4.150.0190.00017.40
7.4.140.0050.01217.86
7.4.130.0090.01216.52
7.4.120.0090.00916.47
7.4.110.0080.00816.58
7.4.100.0180.00016.68
7.4.90.0100.00616.59
7.4.80.0090.00919.39
7.4.70.0120.00616.38
7.4.60.0070.01016.43
7.4.50.0060.00316.49
7.4.40.0100.00616.43
7.4.30.0060.01016.57
7.4.00.0100.00715.18
7.3.330.0000.00513.21
7.3.320.0000.00613.12
7.3.310.0030.00316.20
7.3.300.0070.00016.37
7.3.290.0050.00816.37
7.3.280.0110.00716.42
7.3.270.0060.01517.40
7.3.260.0120.01216.42
7.3.240.0100.00716.27
7.3.230.0060.01216.39
7.3.210.0130.00316.49
7.3.200.0070.01419.39
7.3.190.0090.00916.38
7.3.180.0070.01016.44
7.3.170.0060.01516.65
7.3.160.0100.00716.43
7.3.10.0000.01516.88
7.3.00.0030.01416.82
7.2.330.0120.00616.70
7.2.320.0160.00316.55
7.2.310.0070.01016.80
7.2.300.0090.00616.45
7.2.290.0060.00916.70
7.2.130.0140.00316.77
7.2.120.0060.00916.89
7.2.110.0040.00717.02
7.2.100.0040.01216.73
7.2.90.0040.01116.88
7.2.80.0150.00316.57
7.2.70.0060.01216.83
7.2.60.0020.01416.72
7.2.50.0000.01317.02
7.2.40.0070.00716.77
7.2.30.0060.01217.13
7.2.20.0030.01017.00
7.2.10.0120.00417.09
7.2.00.0020.01317.98
7.1.250.0070.00315.93
7.1.200.0040.00815.66
7.1.100.0120.00017.70
7.1.70.0030.00516.87
7.1.60.0060.00619.40
7.1.50.0150.00916.57
7.1.00.0100.08322.27
7.0.200.0030.00516.78
7.0.140.0030.07322.13
7.0.60.0070.08320.03
7.0.50.0100.08017.66
7.0.40.0030.08319.96
7.0.30.0400.07020.21
7.0.20.0230.08020.00
7.0.10.0030.04720.11
7.0.00.0070.04320.29
5.6.210.0100.07320.72
5.6.200.0130.08018.17
5.6.190.0100.03720.57
5.6.180.0330.07720.77
5.6.170.0270.07320.79
5.6.160.0170.07720.55
5.6.150.0130.04018.21
5.6.140.0030.05018.20
5.6.130.0270.03018.21
5.6.120.0030.06321.01
5.6.110.0170.07720.97
5.6.100.0070.08720.96
5.6.90.0030.05321.01
5.6.80.0130.04720.36
5.5.350.0170.04320.52
5.5.340.0070.04317.91
5.5.330.0030.04320.19
5.5.320.0270.05320.34
5.5.310.0270.08020.20
5.5.300.0100.06017.90
5.5.290.0000.04718.02
5.5.280.0100.04020.84
5.5.270.0200.07020.83
5.5.260.0000.05720.63
5.5.250.0130.06720.60
5.5.240.0000.08320.34
5.4.450.0900.05319.49
5.4.440.0200.05319.43
5.4.430.0400.04719.63
5.4.420.0300.06719.51
5.4.410.0100.05318.87
5.4.400.1130.05718.83
5.4.390.0230.05318.72
5.4.380.0000.05718.53
5.4.370.0100.04018.49
5.4.360.0070.04018.62
5.4.350.0090.04711.97
5.4.340.0070.04711.96
5.4.320.0070.03612.45
5.4.310.0080.03512.45
5.4.300.0090.03212.45
5.4.290.0080.04212.45
5.4.280.0070.03512.35
5.4.270.0040.03712.35
5.4.260.0050.04012.35
5.4.250.0090.03712.34
5.4.240.0050.03712.34
5.4.230.0060.03812.34
5.4.220.0040.03712.34
5.4.210.0030.03912.34
5.4.200.0050.03812.34
5.4.190.0090.03312.34
5.4.180.0080.03612.34
5.4.170.0080.03412.35
5.4.160.0040.03812.34
5.4.150.0050.03712.34
5.4.140.0060.03612.02
5.4.130.0040.03712.01
5.4.120.0060.03511.97
5.4.110.0050.03711.96
5.4.100.0090.03411.96
5.4.90.0050.03811.96
5.4.80.0040.03811.96
5.4.70.0060.03411.96
5.4.60.0050.03511.96
5.4.50.0090.03211.96
5.4.40.0010.03911.95
5.4.30.0070.03411.95
5.4.20.0040.03611.95
5.4.10.0070.03311.95
5.4.00.0060.03611.43
5.3.290.0070.03812.80
5.3.280.0100.03412.71
5.3.270.0080.03712.73
5.3.260.0080.03912.72
5.3.250.0120.03612.72
5.3.240.0100.03412.72
5.3.230.0050.03812.70
5.3.220.0070.03612.68
5.3.210.0060.03912.68
5.3.200.0040.03812.68
5.3.190.0060.03912.68
5.3.180.0100.03312.68
5.3.170.0060.03712.67
5.3.160.0050.04312.67
5.3.150.0070.03512.67
5.3.140.0080.03412.66
5.3.130.0040.04012.66
5.3.120.0040.04012.66
5.3.110.0040.03912.66
5.3.100.0050.03712.12
5.3.90.0040.03812.09
5.3.80.0090.03412.07
5.3.70.0060.03612.08
5.3.60.0040.03912.06
5.3.50.0070.03512.00
5.3.40.0040.03812.00
5.3.30.0060.03411.94
5.3.20.0060.03511.72
5.3.10.0060.03411.69
5.3.00.0060.03611.67
5.2.170.0060.0339.18
5.2.160.0040.0409.18
5.2.150.0080.0289.18
5.2.140.0050.0299.18
5.2.130.0060.0289.13
5.2.120.0050.0289.13
5.2.110.0060.0279.14
5.2.100.0090.0249.14
5.2.90.0040.0309.14
5.2.80.0040.0319.13
5.2.70.0080.0269.13
5.2.60.0060.0299.09
5.2.50.0060.0339.06
5.2.40.0060.0319.03
5.2.30.0080.0269.01
5.2.20.0060.0358.99
5.2.10.0070.0298.91
5.2.00.0050.0368.77
5.1.60.0070.0258.06
5.1.50.0020.0268.05
5.1.40.0060.0298.04
5.1.30.0060.0298.39
5.1.20.0020.0288.41
5.1.10.0030.0268.13
5.1.00.0010.0288.13
5.0.50.0020.0216.61
5.0.40.0050.0176.47
5.0.30.0040.0306.28
5.0.20.0060.0166.25
5.0.10.0030.0196.23
5.0.00.0040.0296.22
4.4.90.0030.0154.78
4.4.80.0040.0144.75
4.4.70.0030.0154.75
4.4.60.0070.0114.76
4.4.50.0030.0194.77
4.4.40.0020.0254.71
4.4.30.0020.0164.76
4.4.20.0020.0154.85
4.4.10.0030.0154.85
4.4.00.0020.0254.75
4.3.110.0040.0144.67
4.3.100.0010.0174.66
4.3.90.0010.0164.63
4.3.80.0030.0244.58
4.3.70.0030.0144.63
4.3.60.0030.0144.63
4.3.50.0050.0134.63
4.3.40.0020.0244.54
4.3.30.0020.0163.27
4.3.20.0020.0163.25
4.3.10.0020.0173.21
4.3.00.0170.0237.17

preferences:
41.96 ms | 400 KiB | 5 Q