3v4l.org

run code in 300+ PHP versions simultaneously
<?php $vars = get_defined_vars(); $mystring = null; $vars = @array_diff(get_defined_vars(),$vars); var_dump($vars);

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)
8.3.40.0040.01118.67
8.3.30.0080.00619.07
8.3.20.0040.00420.21
8.3.10.0040.00423.51
8.3.00.0030.00619.25
8.2.170.0110.00422.96
8.2.160.0060.01018.71
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00419.54
8.2.110.0030.00620.97
8.2.100.0060.00719.45
8.2.90.0040.00419.22
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0060.00317.93
8.2.50.0000.00818.10
8.2.40.0000.00920.61
8.2.30.0040.00418.04
8.2.20.0080.00017.57
8.2.10.0000.00718.11
8.2.00.0040.00417.71
8.1.270.0050.00323.92
8.1.260.0050.00326.35
8.1.250.0030.00628.09
8.1.240.0060.00322.05
8.1.230.0040.00817.77
8.1.220.0040.00417.76
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0030.00617.13
8.1.180.0000.00818.10
8.1.170.0050.00318.60
8.1.160.0000.00822.09
8.1.150.0000.00918.62
8.1.140.0020.00517.36
8.1.130.0030.00317.82
8.1.120.0000.00717.44
8.1.110.0000.00717.34
8.1.100.0080.00017.34
8.1.90.0040.00417.37
8.1.80.0030.00317.40
8.1.70.0000.00717.41
8.1.60.0030.00717.46
8.1.50.0040.00417.39
8.1.40.0000.00717.48
8.1.30.0000.00817.52
8.1.20.0000.00817.65
8.1.10.0000.00717.36
8.1.00.0040.00417.46
8.0.300.0040.00418.77
8.0.290.0050.00316.75
8.0.280.0050.00318.33
8.0.270.0070.00017.24
8.0.260.0000.00817.29
8.0.250.0060.00017.05
8.0.240.0030.00316.98
8.0.230.0070.00016.95
8.0.220.0070.00016.91
8.0.210.0000.00716.94
8.0.200.0080.00017.02
8.0.190.0000.00916.88
8.0.180.0020.00516.98
8.0.170.0000.00816.92
8.0.160.0000.00717.00
8.0.150.0000.00716.78
8.0.140.0040.00416.91
8.0.130.0030.00313.43
8.0.120.0040.00416.94
8.0.110.0040.00416.92
8.0.100.0030.00316.83
8.0.90.0000.00716.93
8.0.80.0040.01016.92
8.0.70.0040.00416.80
8.0.60.0040.00416.80
8.0.50.0000.00716.74
8.0.30.0090.01116.90
8.0.20.0130.00817.40
8.0.10.0000.00817.12
8.0.00.0080.01016.69
7.4.330.0000.00515.20
7.4.320.0050.00216.46
7.4.300.0000.00616.58
7.4.290.0030.00316.59
7.4.280.0080.00016.48
7.4.270.0040.00416.47
7.4.260.0000.00816.39
7.4.250.0000.00816.56
7.4.240.0030.00516.59
7.4.230.0030.00316.40
7.4.220.0070.01116.43
7.4.210.0090.00616.48
7.4.200.0000.00716.70
7.4.190.0030.00516.74
7.4.160.0030.01216.32
7.4.150.0110.00717.40
7.4.140.0100.00817.86
7.4.130.0060.01216.49
7.4.120.0060.01116.39
7.4.110.0070.01016.60
7.4.100.0040.01216.47
7.4.90.0110.00616.41
7.4.80.0100.01019.39
7.4.70.0150.00416.46
7.4.60.0070.01116.49
7.4.50.0080.00016.40
7.4.40.0080.00816.34
7.4.30.0090.00916.57
7.4.00.0030.01314.89
7.3.330.0030.00313.17
7.3.320.0000.00513.10
7.3.310.0040.00416.18
7.3.300.0000.00716.14
7.3.290.0110.00316.22
7.3.280.0100.00816.20
7.3.270.0060.01217.40
7.3.260.0090.00816.26
7.3.250.0100.01016.28
7.3.240.0040.01316.40
7.3.230.0060.00916.45
7.3.210.0100.00716.42
7.3.200.0090.00919.39
7.3.190.0070.01516.34
7.3.180.0060.01516.27
7.3.170.0080.00816.27
7.3.160.0150.00016.51
7.3.120.0120.00614.45
7.2.330.0090.00916.36
7.2.320.0130.00316.59
7.2.310.0090.00816.30
7.2.300.0080.00816.37
7.2.290.0000.02416.48
7.2.60.0070.01016.78
7.2.00.0000.01719.22
7.1.200.0060.00615.70
7.1.100.0030.01217.91
7.1.70.0060.00617.24
7.1.60.0090.01519.46
7.1.50.0080.01116.88
7.1.00.0000.05022.43
7.0.200.0080.00316.34
7.0.140.0000.07721.92
7.0.60.0070.05319.85
7.0.50.0030.06717.66
7.0.40.0070.07020.24
7.0.30.0300.07720.17
7.0.20.0330.06020.04
7.0.10.0100.06320.16
7.0.00.0070.07720.32
5.6.210.0070.07720.75
5.6.200.0100.08318.12
5.6.190.0130.08020.56
5.6.180.0230.07720.49
5.6.170.0400.06020.54
5.6.160.0070.08320.38
5.6.150.0030.08318.12
5.6.140.0100.07718.18
5.6.130.0100.08318.12
5.6.120.0100.07321.11
5.6.110.0130.07720.97
5.6.100.0070.07021.13
5.6.90.0070.08720.97
5.6.80.0130.07320.39
5.5.350.3730.06320.40
5.5.340.0070.08317.93
5.5.330.0100.03720.28
5.5.320.0270.06020.32
5.5.310.0230.05720.26
5.5.300.0030.04718.01
5.5.290.0030.05717.95
5.5.280.0230.06720.77
5.5.270.0000.06720.85
5.5.260.0070.08020.78
5.5.250.0070.03720.64
5.5.240.0070.07720.23
5.4.450.0170.06719.43
5.4.440.0270.06319.63
5.4.430.0600.07019.63
5.4.420.0970.05719.60
5.4.410.0600.05319.36
5.4.400.0530.06019.23
5.4.390.0870.05719.12
5.4.380.0200.05018.52
5.4.370.0130.05318.62
5.4.360.0100.05318.74
5.4.350.0100.05718.65
5.4.340.0170.04718.72
5.4.320.0050.04112.45
5.4.310.0080.04412.45
5.4.300.0060.03812.45
5.4.290.0060.04412.45
5.4.280.0060.03612.35
5.4.270.0070.03912.35
5.4.260.0080.05312.35
5.4.250.0050.04812.34
5.4.240.0060.03812.34
5.4.230.0130.03512.34
5.4.220.0080.04212.34
5.4.210.0060.03812.34
5.4.200.0070.03912.34
5.4.190.0070.04512.34
5.4.180.0050.05112.34
5.4.170.0120.04412.35
5.4.160.0090.04412.34
5.4.150.0050.04912.34
5.4.140.0080.04912.02
5.4.130.0070.04612.01
5.4.120.0080.04811.97
5.4.110.0110.04711.96
5.4.100.0060.04911.96
5.4.90.0110.04811.96
5.4.80.0130.04511.96
5.4.70.0060.05011.96
5.4.60.0060.04811.96
5.4.50.0090.04711.96
5.4.40.0090.04711.95
5.4.30.0060.04811.95
5.4.20.0070.05011.95
5.4.10.0070.04911.95
5.4.00.0100.04511.44
5.3.290.0060.04012.80
5.3.280.0090.04812.71
5.3.270.0110.05012.72
5.3.260.0110.05012.72
5.3.250.0130.04512.72
5.3.240.0090.04812.72
5.3.230.0080.04512.71
5.3.220.0100.04012.68
5.3.210.0070.04412.68
5.3.200.0120.03612.68
5.3.190.0080.04212.68
5.3.180.0050.05612.67
5.3.170.0130.04812.67
5.3.160.0070.05412.68
5.3.150.0120.04912.67
5.3.140.0060.05512.66
5.3.130.0060.05712.66
5.3.120.0080.05412.66
5.3.110.0070.05512.66
5.3.100.0120.03812.12
5.3.90.0050.04512.09
5.3.80.0060.04312.07
5.3.70.0060.05712.08
5.3.60.0060.05612.06
5.3.50.0080.05312.00
5.3.40.0070.04912.00
5.3.30.0070.04911.94
5.3.20.0110.04311.72
5.3.10.0080.04711.69
5.3.00.0090.04711.68
5.2.170.0080.0429.18
5.2.160.0040.0429.18
5.2.150.0070.0399.18
5.2.140.0070.0409.18
5.2.130.0080.0379.13
5.2.120.0060.0409.14
5.2.110.0060.0409.14
5.2.100.0080.0419.14
5.2.90.0070.0469.14
5.2.80.0070.0429.13
5.2.70.0070.0429.13
5.2.60.0070.0429.09
5.2.50.0060.0429.05
5.2.40.0050.0399.03
5.2.30.0050.0419.01
5.2.20.0070.0369.00
5.2.10.0030.0398.94
5.2.00.0070.0388.79
5.1.60.0060.0328.08
5.1.50.0080.0318.07
5.1.40.0050.0368.05
5.1.30.0060.0358.41
5.1.20.0070.0458.43
5.1.10.0040.0408.16
5.1.00.0070.0398.16
5.0.50.0060.0306.63
5.0.40.0050.0296.49
5.0.30.0050.0436.30
5.0.20.0040.0276.27
5.0.10.0060.0276.25
5.0.00.0060.0396.24
4.4.90.0050.0184.78
4.4.80.0020.0174.75
4.4.70.0060.0174.76
4.4.60.0070.0194.76
4.4.50.0030.0244.77
4.4.40.0030.0374.71
4.4.30.0030.0274.76
4.4.20.0050.0174.85
4.4.10.0050.0164.85
4.4.00.0060.0294.76
4.3.110.0050.0224.67
4.3.100.0030.0424.66
4.3.90.0030.0164.63
4.3.80.0020.0284.59
4.3.70.0030.0194.63
4.3.60.0040.0174.63
4.3.50.0030.0194.63
4.3.40.0050.0234.54
4.3.30.0050.0143.29
4.3.20.0020.0173.27
4.3.10.0020.0163.23
4.3.00.0100.0209.43

preferences:
63.37 ms | 400 KiB | 5 Q