3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(10, 11, 13); print_r(count($arr)); unset($arr[2]); print_r(count($arr));

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)
8.3.40.0140.00318.76
8.3.30.0060.00918.93
8.3.20.0000.00720.22
8.3.10.0030.00623.66
8.3.00.0040.00717.93
8.2.170.0120.00322.96
8.2.160.0100.00320.39
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00419.70
8.2.110.0040.00422.13
8.2.100.0150.00017.91
8.2.90.0030.00519.21
8.2.80.0080.00017.97
8.2.70.0030.00617.60
8.2.60.0030.01017.53
8.2.50.0080.00018.07
8.2.40.0030.00718.22
8.2.30.0040.00418.11
8.2.20.0040.00417.66
8.2.10.0080.00018.05
8.2.00.0040.00417.58
8.1.270.0030.00623.65
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.66
8.1.230.0090.00319.01
8.1.220.0030.00517.74
8.1.210.0060.00318.77
8.1.200.0150.00616.84
8.1.190.0080.00017.25
8.1.180.0030.00518.10
8.1.170.0000.00718.48
8.1.160.0050.00321.92
8.1.150.0050.00318.83
8.1.140.0080.00017.40
8.1.130.0030.00317.80
8.1.120.0070.00017.45
8.1.110.0040.00417.40
8.1.100.0060.00317.48
8.1.90.0030.00617.37
8.1.80.0040.00417.41
8.1.70.0030.00317.34
8.1.60.0080.00417.50
8.1.50.0030.00517.52
8.1.40.0000.00717.47
8.1.30.0000.00817.64
8.1.20.0070.00017.54
8.1.10.0020.00517.31
8.1.00.0000.00717.34
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0030.00318.37
8.0.270.0000.00717.18
8.0.260.0060.00017.05
8.0.250.0000.00716.89
8.0.240.0040.00416.86
8.0.230.0030.00316.72
8.0.220.0000.00716.71
8.0.210.0060.00316.79
8.0.200.0060.00016.81
8.0.190.0050.00316.92
8.0.180.0040.00416.84
8.0.170.0080.00016.90
8.0.160.0070.00016.81
8.0.150.0000.00716.79
8.0.140.0000.00716.88
8.0.130.0000.00513.34
8.0.120.0000.00816.89
8.0.110.0070.00316.77
8.0.100.0000.00716.83
8.0.90.0070.00016.91
8.0.80.0070.00716.89
8.0.70.0040.00416.78
8.0.60.0000.00816.98
8.0.50.0080.00016.87
8.0.30.0170.00516.90
8.0.20.0140.00717.40
8.0.10.0000.00717.05
8.0.00.0060.01216.78
7.4.330.0000.00615.00
7.4.320.0030.00316.47
7.4.300.0030.00316.35
7.4.290.0040.00416.59
7.4.280.0030.00516.48
7.4.270.0030.00316.50
7.4.260.0000.01016.58
7.4.250.0070.00016.53
7.4.240.0050.00216.48
7.4.230.0000.00716.57
7.4.220.0090.00916.45
7.4.210.0070.00716.47
7.4.200.0030.00316.29
7.4.160.0110.00416.48
7.4.150.0000.01917.40
7.4.140.0050.01217.86
7.4.130.0070.01116.36
7.4.120.0130.00316.52
7.4.110.0070.01116.47
7.4.100.0100.00716.51
7.4.90.0080.00816.60
7.4.80.0170.00419.39
7.4.70.0100.01016.55
7.4.60.0100.01016.45
7.4.50.0050.00316.35
7.4.40.0040.01316.37
7.4.30.0060.01316.44
7.4.00.0000.01015.11
7.3.330.0030.00313.18
7.3.320.0000.00612.93
7.3.310.0000.00716.27
7.3.300.0000.00716.18
7.3.290.0000.01416.19
7.3.280.0080.01216.20
7.3.270.0060.01117.40
7.3.260.0360.01816.51
7.3.240.0060.01016.54
7.3.230.0060.01616.45
7.3.210.0120.00616.36
7.3.200.0060.01719.39
7.3.190.0060.01316.16
7.3.180.0090.00616.25
7.3.170.0120.00916.47
7.3.160.0150.00016.20
7.3.120.0070.01014.77
7.2.330.0090.01216.50
7.2.320.0090.01516.57
7.2.310.0140.00716.32
7.2.300.0120.00316.50
7.2.290.0080.00816.59
7.2.60.0100.00316.93
7.2.00.0000.01619.28
7.1.200.0030.01015.77
7.1.100.0080.00317.80
7.1.70.0030.00617.25
7.1.60.0000.02519.14
7.1.50.0100.01316.92
7.1.00.0070.07322.31
7.0.200.0000.01216.73
7.0.140.0030.07321.97
7.0.60.0030.09319.86
7.0.50.0130.03317.88
7.0.40.0070.05020.19
7.0.30.0200.03720.17
7.0.20.0300.07720.16
7.0.10.0070.04720.09
7.0.00.0030.05020.16
5.6.280.0000.07721.08
5.6.210.0070.07020.46
5.6.200.0000.04318.08
5.6.190.0030.07320.27
5.6.180.0170.06320.77
5.6.170.0300.07320.54
5.6.160.0000.04320.71
5.6.150.0070.04018.19
5.6.140.0000.04018.27
5.6.130.0030.07718.12
5.6.120.0130.05021.05
5.6.110.0100.07720.98
5.6.100.0030.07021.12
5.6.90.0030.04020.98
5.6.80.0000.04320.45
5.5.350.0230.03020.36
5.5.340.0000.06017.95
5.5.330.0030.08020.28
5.5.320.0300.03320.21
5.5.310.0100.04320.26
5.5.300.0130.06717.91
5.5.290.0200.07017.98
5.5.280.0030.08720.85
5.5.270.0100.04020.83
5.5.260.0030.04320.86
5.5.250.0070.05320.60
5.5.240.0300.05020.26
5.4.450.0470.03319.26
5.4.440.0170.04719.26
5.4.430.0330.04019.57
5.4.420.0230.03719.45
5.4.410.0370.04719.33
5.4.400.0300.04019.06
5.4.390.0370.03718.95
5.4.380.1030.05718.61
5.4.370.1030.05018.72
5.4.360.1000.05018.40
5.4.350.1000.05718.62
5.4.340.0930.05318.72
5.4.320.0040.03812.45
5.4.310.0100.03912.45
5.4.300.0050.03612.45
5.4.290.0060.03712.45
5.4.280.0080.03412.35
5.4.270.0070.03512.34
5.4.260.0040.03912.34
5.4.250.0060.03812.34
5.4.240.0050.03712.35
5.4.230.0080.03612.34
5.4.220.0070.03512.34
5.4.210.0060.03612.34
5.4.200.0040.04012.34
5.4.190.0090.03212.34
5.4.180.0070.03512.33
5.4.170.0050.03612.35
5.4.160.0060.03512.34
5.4.150.0080.03412.34
5.4.140.0040.03812.02
5.4.130.0030.03712.01
5.4.120.0040.03611.96
5.4.110.0070.03311.96
5.4.100.0060.03411.96
5.4.90.0040.03811.96
5.4.80.0020.04011.96
5.4.70.0060.03511.96
5.4.60.0060.03511.96
5.4.50.0030.04011.96
5.4.40.0050.03511.95
5.4.30.0080.04011.95
5.4.20.0070.03411.95
5.4.10.0080.03211.95
5.4.00.0070.03711.44
5.3.290.0050.04912.80
5.3.280.0040.04212.71
5.3.270.0050.03912.73
5.3.260.0060.04012.72
5.3.250.0080.03612.72
5.3.240.0070.04312.72
5.3.230.0050.04012.71
5.3.220.0050.04012.68
5.3.210.0050.04012.68
5.3.200.0060.03612.68
5.3.190.0080.04112.68
5.3.180.0100.03712.68
5.3.170.0090.03612.67
5.3.160.0060.03612.67
5.3.150.0100.03712.67
5.3.140.0060.03912.66
5.3.130.0030.04212.66
5.3.120.0070.03912.66
5.3.110.0040.04012.66
5.3.100.0100.03212.12
5.3.90.0060.04112.09
5.3.80.0030.04012.07
5.3.70.0040.04112.07
5.3.60.0080.04212.06
5.3.50.0040.04512.00
5.3.40.0090.03612.00
5.3.30.0030.04311.95
5.3.20.0050.03511.74
5.3.10.0050.04011.69
5.3.00.0050.03611.67
5.2.170.0020.0329.18
5.2.160.0070.0279.18
5.2.150.0050.0299.18
5.2.140.0060.0299.17
5.2.130.0030.0319.14
5.2.120.0050.0329.13
5.2.110.0060.0289.14
5.2.100.0070.0289.14
5.2.90.0030.0309.14
5.2.80.0040.0339.14
5.2.70.0050.0329.13
5.2.60.0050.0309.09
5.2.50.0030.0329.05
5.2.40.0040.0299.03
5.2.30.0040.0319.01
5.2.20.0040.0319.00
5.2.10.0060.0278.93
5.2.00.0020.0318.79
5.1.60.0060.0268.08
5.1.50.0020.0268.07
5.1.40.0030.0258.06
5.1.30.0040.0258.40
5.1.20.0100.0318.43
5.1.10.0020.0308.15
5.1.00.0030.0268.15
5.0.50.0050.0196.63
5.0.40.0050.0176.48
5.0.30.0030.0316.30
5.0.20.0050.0176.27
5.0.10.0060.0176.24
5.0.00.0040.0316.24
4.4.90.0020.0174.78
4.4.80.0030.0154.75
4.4.70.0020.0164.76
4.4.60.0020.0154.75
4.4.50.0030.0154.77
4.4.40.0040.0244.71
4.4.30.0050.0164.76
4.4.20.0030.0194.84
4.4.10.0030.0154.84
4.4.00.0020.0284.76
4.3.110.0020.0184.66
4.3.100.0040.0144.67
4.3.90.0010.0174.63
4.3.80.0030.0254.58
4.3.70.0020.0154.63
4.3.60.0010.0164.63
4.3.50.0010.0174.63
4.3.40.0010.0264.54
4.3.30.0020.0163.29
4.3.20.0030.0173.27
4.3.10.0030.0153.23
4.3.00.0030.01715.29

preferences:
48.25 ms | 400 KiB | 5 Q