3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = new SplFixedArray(1); $x[0] *= 2; $y = null; $y *= 2; var_dump($x[0]); var_dump($y);

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)
8.3.70.0140.00716.58
8.3.60.0070.00716.50
8.3.50.0110.01023.00
8.3.40.0000.01520.42
8.3.30.0100.00319.09
8.3.20.0050.00220.07
8.3.10.0040.00423.48
8.3.00.0040.00419.26
8.2.180.0090.00616.35
8.2.170.0140.00022.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00420.90
8.2.110.0050.00519.17
8.2.100.0080.00417.78
8.2.90.0000.00919.01
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0000.00817.93
8.2.50.0000.00818.10
8.2.40.0000.00818.16
8.2.30.0070.00017.94
8.2.20.0030.00617.56
8.2.10.0000.00718.11
8.2.00.0000.00817.74
8.1.280.0130.00325.92
8.1.270.0050.00324.04
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.29
8.1.230.0060.00617.83
8.1.220.0000.00717.79
8.1.210.0000.00918.77
8.1.200.0060.00317.25
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0030.00518.61
8.1.160.0000.00721.82
8.1.150.0070.00018.86
8.1.140.0050.00317.43
8.1.130.0030.00317.73
8.1.120.0000.00717.45
8.1.110.0000.00817.36
8.1.100.0050.00217.29
8.1.90.0000.00817.43
8.1.80.0040.00417.28
8.1.70.0080.00017.36
8.1.60.0040.00417.40
8.1.50.0030.00517.51
8.1.40.0000.00717.41
8.1.30.0030.00617.59
8.1.20.0050.00517.59
8.1.10.0050.00317.63
8.1.00.0030.00517.48
8.0.300.0040.00418.77
8.0.290.0030.00616.63
8.0.280.0000.00718.30
8.0.270.0070.00017.23
8.0.260.0050.00317.27
8.0.250.0000.00816.88
8.0.240.0040.00416.84
8.0.230.0000.00716.88
8.0.220.0000.00716.82
8.0.210.0050.00216.79
8.0.200.0040.00416.90
8.0.190.0040.00416.79
8.0.180.0000.00716.86
8.0.170.0040.00416.91
8.0.160.0040.00416.74
8.0.150.0070.00016.83
8.0.140.0040.00416.75
8.0.130.0060.00013.25
8.0.120.0040.00416.82
8.0.110.0020.00516.67
8.0.100.0070.00016.81
8.0.90.0040.00416.70
8.0.80.0120.00916.80
8.0.70.0000.00716.95
8.0.60.0060.00316.77
8.0.50.0050.00216.77
8.0.30.0060.01617.19
8.0.20.0080.01117.40
8.0.10.0040.00416.75
8.0.00.0080.01016.70
7.4.330.0000.00515.00
7.4.320.0030.00316.49
7.4.300.0060.00016.66
7.4.290.0000.00716.55
7.4.280.0030.00516.36
7.4.270.0000.00716.62
7.4.260.0040.00416.50
7.4.250.0070.00016.42
7.4.240.0040.00416.53
7.4.230.0060.00316.40
7.4.220.0090.01016.52
7.4.210.0070.01416.67
7.4.200.0000.00816.44
7.4.160.0130.00716.64
7.4.150.0130.01017.40
7.4.140.0120.00717.86
7.4.130.0280.01416.54
7.4.120.0100.00816.54
7.4.110.0100.00616.54
7.4.100.0110.00816.39
7.4.90.0040.01616.47
7.4.80.0030.01719.39
7.4.70.0080.00916.54
7.4.60.0150.00316.41
7.4.50.0000.00916.37
7.4.40.0090.00916.49
7.4.30.0060.00916.72
7.4.00.0030.01015.10
7.3.330.0050.00013.25
7.3.320.0030.00313.19
7.3.310.0070.00016.39
7.3.300.0000.00716.33
7.3.290.0000.01316.30
7.3.280.0090.00616.30
7.3.270.0100.00717.40
7.3.260.0070.01416.63
7.3.250.0110.00916.43
7.3.240.0100.00716.38
7.3.230.0100.00716.57
7.3.210.0110.00716.31
7.3.200.0110.00519.39
7.3.190.0100.01016.45
7.3.180.0120.00316.32
7.3.170.0030.01216.51
7.3.160.0080.00816.56
7.3.10.0110.00016.32
7.3.00.0080.00616.64
7.2.330.0120.01216.65
7.2.320.0050.01716.63
7.2.310.0100.00716.49
7.2.300.0160.00016.70
7.2.290.0100.01016.56
7.2.130.0060.00616.73
7.2.120.0000.01216.76
7.2.110.0100.00316.72
7.2.100.0140.00016.80
7.2.90.0030.00916.86
7.2.80.0030.00916.70
7.2.70.0070.00716.61
7.2.60.0070.00516.95
7.2.50.0000.01616.86
7.2.40.0000.01016.82
7.2.30.0060.00916.68
7.2.20.0070.00716.84
7.2.10.0060.00316.71
7.2.00.0000.01218.00
7.1.250.0070.00415.69
7.1.200.0000.01115.75
7.1.100.0040.01218.09
7.1.70.0040.00417.15
7.1.60.0000.02519.40
7.1.50.0070.01417.05
7.1.00.0100.07022.41
7.0.200.0040.00416.64
7.0.140.0030.07322.00
7.0.60.0030.08719.78
7.0.50.0130.07317.85
7.0.40.0000.04720.07
7.0.30.0630.06320.09
7.0.20.0200.08020.13
7.0.10.0130.07720.06
7.0.00.0130.08020.08
5.6.280.0000.07720.81
5.6.210.0000.08020.63
5.6.200.0100.07718.08
5.6.190.0170.04320.67
5.6.180.0270.06720.41
5.6.170.0270.07320.42
5.6.160.0070.05320.49
5.6.150.0030.08018.19
5.6.140.0000.08318.18
5.6.130.0070.06018.20
5.6.120.0030.05320.98
5.6.110.0170.07721.10
5.6.100.0070.05720.98
5.6.90.0130.03721.02
5.6.80.0130.07020.50
5.5.350.3600.04020.46
5.5.340.0030.07717.89
5.5.330.0000.04320.19
5.5.320.0200.04320.30
5.5.310.0200.04020.18
5.5.300.0100.05017.95
5.5.290.0100.04018.00
5.5.280.0070.03720.73
5.5.270.0070.08020.83
5.5.260.0070.08720.78
5.5.250.0070.06320.74
5.5.240.0230.07320.36
5.4.450.0330.04019.41
5.4.440.0330.04319.43
5.4.430.0270.03319.40
5.4.420.0530.03019.41
5.4.410.0300.04719.08
5.4.400.0200.04319.22
5.4.390.0300.04319.16
5.4.380.0300.05718.78
5.4.370.0500.04718.59
5.4.360.0270.05718.61
5.4.350.0370.05318.71
5.4.340.0330.05318.79
5.4.320.0080.05112.45
5.4.310.0060.03812.45
5.4.300.0030.03912.45
5.4.290.0040.03912.45
5.4.280.0070.03412.34
5.4.270.0060.03512.34
5.4.260.0060.04312.35
5.4.250.0070.03512.34
5.4.240.0040.04312.35
5.4.230.0060.03612.34
5.4.220.0080.03912.34
5.4.210.0070.04412.34
5.4.200.0070.03912.34
5.4.190.0060.03612.33
5.4.180.0010.03912.33
5.4.170.0090.03712.34
5.4.160.0070.04412.34
5.4.150.0070.04112.34
5.4.140.0050.03712.02
5.4.130.0050.03612.01
5.4.120.0060.03711.96
5.4.110.0070.03311.96
5.4.100.0060.03411.96
5.4.90.0060.03511.96
5.4.80.0070.03911.97
5.4.70.0090.03011.96
5.4.60.0080.04111.96
5.4.50.0100.03311.96
5.4.40.0080.03211.95
5.4.30.0140.02711.95
5.4.20.0060.03511.95
5.4.10.0030.03811.95
5.4.00.0070.03611.43
5.3.290.0070.05112.80
5.3.280.0080.03612.71
5.3.270.0070.03812.72
5.3.260.0050.03912.72
5.3.250.0050.03812.72
5.3.240.0040.03912.72
5.3.230.0070.03712.71
5.3.220.0040.03912.68
5.3.210.0060.03912.68
5.3.200.0060.03712.68
5.3.190.0050.03812.68
5.3.180.0080.03412.67
5.3.170.0050.03812.66
5.3.160.0040.03712.68
5.3.150.0070.03512.68
5.3.140.0070.03412.66
5.3.130.0070.03612.66
5.3.120.0070.03712.66
5.3.110.0060.03812.65
5.3.100.0040.03812.12
5.3.90.0050.04412.08
5.3.80.0100.03312.08
5.3.70.0070.03512.08
5.3.60.0060.03812.06
5.3.50.0040.03912.00
5.3.40.0080.03512.00
5.3.30.0100.03111.95
5.3.20.0090.03211.72
5.3.10.0060.03911.69
5.3.00.0080.03911.68
5.2.170.0050.0319.18
5.2.160.0080.0299.18
5.2.150.0060.0299.19
5.2.140.0020.0339.18
5.2.130.0020.0319.14
5.2.120.0030.0309.14
5.2.110.0080.0259.14
5.2.100.0050.0289.14
5.2.90.0060.0289.14
5.2.80.0030.0329.14
5.2.70.0060.0299.13
5.2.60.0070.0279.09
5.2.50.0050.0329.06
5.2.40.0050.0289.04
5.2.30.0030.0319.02
5.2.20.0040.0299.00
5.2.10.0030.0298.92
5.2.00.0040.0298.78
5.1.60.0050.0238.06
5.1.50.0040.0248.06
5.1.40.0060.0238.04
5.1.30.0040.0268.39
5.1.20.0070.0238.41
5.1.10.0040.0268.14
5.1.00.0050.0248.14
5.0.50.0020.0216.62
5.0.40.0040.0186.47
5.0.30.0070.0276.29
5.0.20.0030.0196.26
5.0.10.0050.0176.24
5.0.00.0010.0326.23
4.4.90.0040.0134.78
4.4.80.0040.0134.75
4.4.70.0010.0184.76
4.4.60.0010.0174.75
4.4.50.0070.0114.77
4.4.40.0050.0234.70
4.4.30.0020.0164.75
4.4.20.0000.0184.84
4.4.10.0010.0174.85
4.4.00.0030.0254.76
4.3.110.0030.0154.67
4.3.100.0050.0124.67
4.3.90.0030.0144.63
4.3.80.0030.0244.58
4.3.70.0020.0154.63
4.3.60.0010.0164.63
4.3.50.0050.0134.63
4.3.40.0030.0234.53
4.3.30.0010.0163.28
4.3.20.0010.0163.26
4.3.10.0010.0163.21
4.3.00.0030.01315.96

preferences:
40.54 ms | 401 KiB | 5 Q