3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'abcdefs'; if((strlen($string)-1) == strrpos($string,'s')){ echo substr($string, 0, strlen($string)-1); }else{ echo 'nada'; }

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)
8.3.60.0070.00718.30
8.3.50.0050.01422.04
8.3.40.0110.00418.84
8.3.30.0030.01019.14
8.3.20.0030.00520.16
8.3.10.0030.00623.80
8.3.00.0040.00419.21
8.2.180.0150.00318.09
8.2.170.0000.01422.96
8.2.160.0180.00020.53
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0040.00422.20
8.2.110.0030.00622.00
8.2.100.0080.00418.18
8.2.90.0040.00419.05
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0050.00317.80
8.2.50.0000.00918.07
8.2.40.0050.00319.90
8.2.30.0070.00318.23
8.2.20.0040.00417.68
8.2.10.0000.00717.92
8.2.00.0070.00017.52
8.1.280.0070.00725.92
8.1.270.0040.00423.95
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0000.00922.13
8.1.230.0030.00819.00
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0000.00917.35
8.1.190.0080.00017.00
8.1.180.0040.00418.89
8.1.170.0000.00918.50
8.1.160.0080.00021.96
8.1.150.0040.00418.55
8.1.140.0000.00817.41
8.1.130.0030.00317.82
8.1.120.0070.00017.48
8.1.110.0040.00417.36
8.1.100.0030.00317.39
8.1.90.0000.00717.34
8.1.80.0000.00817.47
8.1.70.0000.00717.41
8.1.60.0030.00617.50
8.1.50.0030.00617.47
8.1.40.0080.00017.55
8.1.30.0060.00317.71
8.1.20.0070.00017.67
8.1.10.0030.00517.54
8.1.00.0040.00417.43
8.0.300.0000.00718.77
8.0.290.0040.00417.05
8.0.280.0030.00518.48
8.0.270.0030.00317.16
8.0.260.0030.00317.19
8.0.250.0040.00416.92
8.0.240.0040.00416.92
8.0.230.0000.00716.88
8.0.220.0030.00316.81
8.0.210.0070.00016.72
8.0.200.0060.00016.77
8.0.190.0000.00716.76
8.0.180.0030.00516.81
8.0.170.0040.00416.73
8.0.160.0020.00516.82
8.0.150.0030.00316.72
8.0.140.0040.00416.68
8.0.130.0000.00613.26
8.0.120.0080.00016.73
8.0.110.0000.00716.89
8.0.100.0080.00016.63
8.0.90.0000.00716.84
8.0.80.0080.00816.91
8.0.70.0050.00316.93
8.0.60.0000.00716.79
8.0.50.0040.00416.79
8.0.30.0070.01117.13
8.0.20.0140.00617.40
8.0.10.0000.00817.12
8.0.00.0090.00916.76
7.4.330.0070.00015.00
7.4.320.0030.00316.59
7.4.300.0050.00216.52
7.4.290.0030.00316.51
7.4.280.0050.00616.58
7.4.270.0000.00716.57
7.4.260.0000.00816.46
7.4.250.0040.00416.45
7.4.240.0030.00316.53
7.4.230.0000.00716.44
7.4.220.0140.00316.53
7.4.210.0070.00916.55
7.4.200.0000.00716.69
7.4.190.0070.00016.66
7.4.160.0100.01316.48
7.4.150.0070.01017.40
7.4.140.0070.01017.86
7.4.130.0090.00916.68
7.4.120.0020.01516.49
7.4.110.0130.00416.54
7.4.100.0110.00716.60
7.4.90.0030.01416.35
7.4.80.0030.01519.39
7.4.70.0150.00016.31
7.4.60.0140.00316.41
7.4.50.0040.00416.52
7.4.40.0130.00716.44
7.4.30.0060.01016.50
7.4.00.0070.00714.81
7.3.330.0050.00013.16
7.3.320.0020.00213.12
7.3.310.0030.00316.40
7.3.300.0000.00616.25
7.3.290.0000.01416.21
7.3.280.0100.00816.31
7.3.270.0130.00317.40
7.3.260.0120.00616.52
7.3.250.0110.01016.31
7.3.240.0090.00916.30
7.3.230.0100.01316.39
7.3.210.0090.00616.30
7.3.200.0090.00919.39
7.3.190.0040.01416.39
7.3.180.0120.00416.38
7.3.170.0100.00616.51
7.3.160.0080.00816.42
7.3.120.0110.00414.66
7.3.10.0030.00916.55
7.3.00.0040.01116.59
7.2.330.0110.01116.57
7.2.320.0110.00616.43
7.2.310.0130.00316.68
7.2.300.0070.01016.63
7.2.290.0130.00316.57
7.2.130.0100.00016.76
7.2.120.0060.00316.88
7.2.110.0060.00316.97
7.2.100.0030.00816.79
7.2.90.0070.00716.90
7.2.80.0070.00317.06
7.2.70.0070.00716.75
7.2.60.0100.00316.95
7.2.50.0060.00617.08
7.2.40.0030.00916.68
7.2.30.0070.00316.99
7.2.20.0070.00316.92
7.2.10.0090.00316.86
7.2.00.0020.00918.01
7.1.250.0060.00615.77
7.1.200.0100.00315.73
7.1.100.0040.00718.14
7.1.70.0050.00217.04
7.1.60.0090.00919.46
7.1.50.0160.01616.59
7.1.00.0030.07322.54
7.0.200.0000.00716.94
7.0.140.0070.07022.09
7.0.60.0130.08320.06
7.0.50.0030.08717.79
7.0.40.0030.05020.21
7.0.30.0370.03320.09
7.0.20.0370.06719.99
7.0.10.0100.08320.04
7.0.00.0030.08720.20
5.6.280.0100.06721.14
5.6.210.0100.05320.46
5.6.200.0100.08018.15
5.6.190.0170.07320.61
5.6.180.0430.07720.27
5.6.170.0270.07720.49
5.6.160.0100.08320.46
5.6.150.0100.04718.18
5.6.140.0030.04718.21
5.6.130.0030.07318.18
5.6.120.0030.07021.15
5.6.110.0070.08320.95
5.6.100.0000.04321.00
5.6.90.0230.07020.96
5.6.80.0070.04020.50
5.5.350.0370.07320.37
5.5.340.0130.07017.98
5.5.330.0170.07320.15
5.5.320.0030.04320.13
5.5.310.0270.07020.50
5.5.300.0070.04317.94
5.5.290.0000.04317.91
5.5.280.0170.07720.77
5.5.270.0070.08320.96
5.5.260.0130.04020.84
5.5.250.0070.08320.79
5.5.240.0130.08020.19
5.4.450.0070.06319.59
5.4.440.0070.06319.41
5.4.430.0870.05719.24
5.4.420.0930.07319.58
5.4.410.0800.05319.46
5.4.400.1070.05019.07
5.4.390.0870.06019.18
5.4.380.0200.04718.61
5.4.370.0100.05718.53
5.4.360.0100.05718.64
5.4.350.0170.05018.72
5.4.340.0070.05718.62
5.4.320.0080.03512.45
5.4.310.0080.05112.45
5.4.300.0080.03512.45
5.4.290.0120.05112.45
5.4.280.0080.05512.34
5.4.270.0100.04912.35
5.4.260.0100.04412.34
5.4.250.0110.04212.34
5.4.240.0130.05012.34
5.4.230.0140.04312.34
5.4.220.0120.04912.34
5.4.210.0130.04512.34
5.4.200.0050.05612.34
5.4.190.0120.04212.34
5.4.180.0100.03612.34
5.4.170.0080.03612.35
5.4.160.0080.03812.34
5.4.150.0070.03912.34
5.4.140.0080.03912.02
5.4.130.0090.03512.01
5.4.120.0060.03811.96
5.4.110.0070.04711.96
5.4.100.0130.04711.96
5.4.90.0100.05011.96
5.4.80.0060.04011.96
5.4.70.0060.03611.96
5.4.60.0060.04511.96
5.4.50.0090.04911.96
5.4.40.0080.03611.95
5.4.30.0080.04211.95
5.4.20.0100.04411.95
5.4.10.0080.03811.95
5.4.00.0070.03611.43
5.3.290.0060.04012.80
5.3.280.0100.04912.71
5.3.270.0120.05112.72
5.3.260.0100.05612.72
5.3.250.0190.07812.72
5.3.240.0130.05512.72
5.3.230.0180.06412.71
5.3.220.0120.04812.68
5.3.210.0130.04912.68
5.3.200.0070.06012.68
5.3.190.0120.04712.68
5.3.180.0150.04312.67
5.3.170.0070.06112.67
5.3.160.0100.08712.68
5.3.150.0110.04112.67
5.3.140.0140.07712.66
5.3.130.0140.06712.66
5.3.120.0100.04212.66
5.3.110.0080.04312.66
5.3.100.0070.04212.11
5.3.90.0080.03712.08
5.3.80.0080.03912.07
5.3.70.0130.04412.07
5.3.60.0080.04512.07
5.3.50.0100.04212.00
5.3.40.0060.04212.00
5.3.30.0130.03511.95
5.3.20.0060.04311.72
5.3.10.0080.04011.69
5.3.00.0100.03411.67
5.2.170.0070.0309.18
5.2.160.0050.0309.18
5.2.150.0060.0319.18
5.2.140.0030.0339.17
5.2.130.0080.0309.14
5.2.120.0090.0269.13
5.2.110.0080.0289.14
5.2.100.0020.0329.14
5.2.90.0050.0309.13
5.2.80.0050.0339.13
5.2.70.0060.0399.13
5.2.60.0050.0329.09
5.2.50.0040.0329.06
5.2.40.0070.0319.03
5.2.30.0040.0349.01
5.2.20.0050.0339.00
5.2.10.0080.0278.92
5.2.00.0070.0338.77
5.1.60.0050.0258.06
5.1.50.0030.0268.06
5.1.40.0060.0298.04
5.1.30.0090.0368.39
5.1.20.0080.0368.41
5.1.10.0100.0478.13
5.1.00.0070.0448.14
5.0.50.0070.0316.62
5.0.40.0070.0206.47
5.0.30.0090.0316.29
5.0.20.0030.0276.25
5.0.10.0030.0316.23
5.0.00.0040.0436.23
4.4.90.0050.0214.78
4.4.80.0020.0254.76
4.4.70.0090.0254.75
4.4.60.0040.0264.76
4.4.50.0050.0214.77
4.4.40.0030.0294.71
4.4.30.0030.0184.76
4.4.20.0020.0244.84
4.4.10.0050.0174.85
4.4.00.0060.0254.76
4.3.110.0070.0164.67
4.3.100.0030.0234.67
4.3.90.0040.0224.64
4.3.80.0060.0304.58
4.3.70.0050.0174.63
4.3.60.0050.0204.63
4.3.50.0040.0224.63
4.3.40.0050.0324.54
4.3.30.0010.0193.28
4.3.20.0050.0163.26
4.3.10.0030.0193.22
4.3.00.0100.01716.15

preferences:
37.39 ms | 401 KiB | 5 Q