3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "ABC"; unset($string[1]);

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)
8.3.60.0110.00718.42
8.3.50.0180.00321.20
8.3.40.0060.00918.79
8.3.30.0140.00318.79
8.3.20.0150.00320.29
8.3.10.0050.00323.48
8.3.00.0020.00522.45
8.2.180.0130.00616.50
8.2.170.0110.00422.96
8.2.160.0030.01020.34
8.2.150.0000.01524.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0090.00017.75
8.2.110.0060.00320.48
8.2.100.0070.00717.75
8.2.90.0000.00819.23
8.2.80.0030.00617.97
8.2.70.0040.00417.75
8.2.60.0040.00417.80
8.2.50.0030.00618.07
8.2.40.0000.00821.01
8.2.30.0000.00819.91
8.2.20.0040.00417.61
8.2.10.0040.00418.06
8.2.00.0040.00418.05
8.1.280.0100.00325.92
8.1.270.0030.00620.33
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.84
8.1.230.0090.00317.48
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0040.00417.35
8.1.190.0040.00417.13
8.1.180.0040.00418.10
8.1.170.0040.00418.60
8.1.160.0030.00621.94
8.1.150.0000.00718.72
8.1.140.0040.00417.39
8.1.130.0070.00017.64
8.1.120.0040.00417.42
8.1.110.0040.00417.41
8.1.100.0000.00717.30
8.1.90.0050.00217.29
8.1.80.0030.00717.36
8.1.70.0000.00717.44
8.1.60.0120.00017.58
8.1.50.0060.00317.52
8.1.40.0070.00017.51
8.1.30.0050.00317.71
8.1.20.0070.00017.65
8.1.10.0040.00417.55
8.1.00.0060.00317.55
8.0.300.0090.00018.77
8.0.290.0040.00416.63
8.0.280.0020.00518.23
8.0.270.0040.00417.11
8.0.260.0000.00617.18
8.0.250.0000.00716.93
8.0.240.0040.00416.97
8.0.230.0070.00016.92
8.0.220.0000.00716.90
8.0.210.0030.00516.86
8.0.200.0030.00316.84
8.0.190.0030.01016.89
8.0.180.0030.00516.81
8.0.170.0070.00016.90
8.0.160.0030.00316.96
8.0.150.0040.00416.84
8.0.140.0040.00416.84
8.0.130.0000.00613.38
8.0.120.0030.00516.84
8.0.110.0040.00416.87
8.0.100.0070.00016.83
8.0.90.0040.00416.76
8.0.80.0070.01316.91
8.0.70.0070.00016.86
8.0.60.0040.00416.70
8.0.50.0020.00516.95
8.0.30.0110.00817.12
8.0.20.0120.00617.40
8.0.10.0000.00816.91
8.0.00.0090.00816.71
7.4.330.0060.00015.08
7.4.320.0000.00616.52
7.4.300.0000.00616.57
7.4.290.0070.00016.62
7.4.280.0050.00316.40
7.4.270.0000.00616.54
7.4.260.0030.00316.57
7.4.250.0000.00716.36
7.4.240.0000.00716.60
7.4.230.0000.00716.49
7.4.220.0090.00916.69
7.4.210.0000.01516.45
7.4.200.0050.00216.41
7.4.160.0060.00916.41
7.4.150.0100.00717.40
7.4.140.0110.00917.86
7.4.130.0120.00516.52
7.4.120.0100.00816.63
7.4.110.0040.01216.53
7.4.100.0110.00716.36
7.4.90.0140.00316.52
7.4.80.0120.00619.39
7.4.70.0060.00916.48
7.4.60.0090.00616.46
7.4.50.0060.00316.49
7.4.40.0140.00616.63
7.4.30.0150.00316.41
7.4.00.0100.00714.70
7.3.330.0000.00613.07
7.3.320.0000.00613.16
7.3.310.0000.00716.25
7.3.300.0000.00616.36
7.3.290.0030.01116.29
7.3.280.0100.00616.33
7.3.270.0090.00917.40
7.3.260.0040.01316.64
7.3.250.0110.00716.24
7.3.240.0130.00416.34
7.3.230.0060.01216.48
7.3.210.0090.00916.29
7.3.200.0000.01719.39
7.3.190.0100.00616.30
7.3.180.0120.00316.23
7.3.170.0060.01016.59
7.3.160.0070.01116.52
7.2.330.0030.01416.46
7.2.320.0030.01816.31
7.2.310.0070.01016.48
7.2.300.0060.01016.61
7.2.290.0100.00716.39
7.2.60.0030.01216.59
7.2.00.0000.01119.25
7.1.200.0110.00315.71
7.1.100.0040.00818.05
7.1.70.0120.00316.69
7.1.60.0000.02520.03
7.1.50.0070.01616.80
7.1.00.0100.07022.50
7.0.200.0270.00714.97
7.0.60.0130.07019.86
7.0.50.0030.04017.77
7.0.40.0100.07719.90
7.0.30.0300.06020.20
7.0.20.0330.07020.02
7.0.10.0270.08020.04
7.0.00.0070.05720.16
5.6.280.0070.04720.90
5.6.210.0130.05320.61
5.6.200.0100.08018.10
5.6.190.0100.07720.43
5.6.180.0300.08020.33
5.6.170.0070.05020.33
5.6.160.0030.04320.50
5.6.150.0130.08018.20
5.6.140.0100.04018.16
5.6.130.0030.08718.18
5.6.120.0130.07720.98
5.6.110.0070.08321.02
5.6.100.0030.05020.97
5.6.90.0070.08021.02
5.6.80.0070.05020.33
5.6.70.4330.04320.34
5.5.350.0100.05020.32
5.5.340.0030.03717.95
5.5.330.0070.07020.28
5.5.320.0470.06720.27
5.5.310.0230.06320.26
5.5.300.0070.06717.98
5.5.290.0030.06717.89
5.5.280.0100.07320.76
5.5.270.0100.08020.89
5.5.260.0130.07320.79
5.5.250.0070.07720.68
5.5.240.0170.07320.34
5.4.450.0470.06719.47
5.4.440.0700.05719.10
5.4.430.0700.06719.40
5.4.420.0570.05719.60
5.4.410.0630.06319.45
5.4.400.0670.04318.80
5.4.390.0700.05019.12
5.4.380.0630.05719.14
5.4.370.0700.06019.30
5.4.360.0770.04719.22
5.4.350.0800.05019.31
5.4.340.0730.05018.95
5.4.320.0730.05019.14
5.4.310.0700.04719.12
5.4.300.0770.04718.91
5.4.290.0800.05318.76
5.4.280.0830.05319.19
5.4.270.0600.06019.16
5.4.260.0570.06019.24
5.4.250.0730.04319.10
5.4.240.0700.05318.80
5.4.230.0630.05719.15
5.4.220.0630.05719.07
5.4.210.0700.04719.27
5.4.200.0730.04316.82
5.4.190.0800.04018.93
5.4.180.0570.06318.90
5.4.170.0630.05719.24
5.4.160.0730.06019.27
5.4.150.0630.05719.29
5.4.140.0670.05016.27
5.4.130.0670.05016.61
5.4.120.0700.06016.53
5.4.110.0670.05016.44
5.4.100.0670.04316.31
5.4.90.0730.04316.28
5.4.80.0770.05716.16
5.4.70.0830.05016.48
5.4.60.0270.04716.40
5.4.50.0100.05716.21
5.4.40.0170.04316.27
5.4.30.0000.06316.04
5.4.20.0270.05016.15

preferences:
52.24 ms | 401 KiB | 5 Q