3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { public $field1; public $field2; public $field3; } $foo = new foo(); $foo->field1 = 2; var_dump($foo); var_dump(isset($foo->field1, $foo->field2, $foo->field3));

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)
8.3.40.0120.00318.68
8.3.30.0110.00319.09
8.3.20.0040.00420.22
8.3.10.0040.00420.51
8.3.00.0050.00318.04
8.2.170.0090.00922.96
8.2.160.0030.01020.52
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0180.00026.16
8.2.120.0080.00019.23
8.2.110.0090.00020.39
8.2.100.0060.00618.16
8.2.90.0050.00319.18
8.2.80.0080.00017.97
8.2.70.0050.00317.63
8.2.60.0040.00418.04
8.2.50.0090.00018.07
8.2.40.0000.00718.16
8.2.30.0030.00619.31
8.2.20.0000.00717.56
8.2.10.0040.00417.97
8.2.00.0080.00017.66
8.1.270.0100.00023.96
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00321.91
8.1.230.0100.00319.16
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0040.00417.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0050.00218.53
8.1.160.0040.00421.88
8.1.150.0000.00718.94
8.1.140.0000.00717.39
8.1.130.0030.00317.75
8.1.120.0000.00717.53
8.1.110.0070.00017.39
8.1.100.0030.00317.48
8.1.90.0000.00717.45
8.1.80.0000.00717.38
8.1.70.0000.00717.43
8.1.60.0030.00617.51
8.1.50.0050.00317.59
8.1.40.0000.00817.53
8.1.30.0000.00817.59
8.1.20.0040.00417.63
8.1.10.0040.00417.63
8.1.00.0060.00317.40
8.0.300.0040.00418.77
8.0.290.0050.00216.75
8.0.280.0070.00018.37
8.0.270.0030.00317.27
8.0.260.0000.00617.32
8.0.250.0030.00316.97
8.0.240.0050.00316.84
8.0.230.0040.00416.88
8.0.220.0070.00016.86
8.0.210.0000.00716.88
8.0.200.0030.00316.96
8.0.190.0040.00416.84
8.0.180.0040.00316.98
8.0.170.0030.00616.98
8.0.160.0040.00416.88
8.0.150.0040.00416.74
8.0.140.0000.00716.69
8.0.130.0030.00313.26
8.0.120.0070.00016.91
8.0.110.0030.00516.89
8.0.100.0000.00716.82
8.0.90.0040.00416.93
8.0.80.0140.00016.84
8.0.70.0030.00516.73
8.0.60.0040.00416.76
8.0.50.0040.00416.99
8.0.30.0140.00916.96
8.0.20.0120.00817.40
8.0.10.0000.00716.90
8.0.00.0120.00516.77
7.4.330.0050.00015.19
7.4.320.0060.00016.65
7.4.300.0060.00016.50
7.4.290.0040.00416.50
7.4.280.0000.00816.64
7.4.270.0000.00716.43
7.4.260.0000.01116.59
7.4.250.0030.00516.48
7.4.240.0050.00216.47
7.4.230.0020.00516.30
7.4.220.0040.01516.64
7.4.210.0110.00416.69
7.4.200.0040.00416.67
7.4.160.0060.01016.30
7.4.150.0050.01317.40
7.4.140.0100.00817.86
7.4.130.0110.00616.45
7.4.120.0110.01116.60
7.4.110.0000.01616.72
7.4.100.0120.00916.59
7.4.90.0100.00716.48
7.4.80.0060.01216.37
7.4.70.0090.00916.45
7.4.60.0090.00616.35
7.4.50.0000.00816.50
7.4.40.0060.01216.15
7.4.30.0080.00816.41
7.4.00.0000.01515.00
7.3.330.0050.00013.20
7.3.320.0000.00613.11
7.3.310.0000.00716.14
7.3.300.0000.00716.28
7.3.290.0070.00716.22
7.3.280.0030.01216.21
7.3.270.0130.00717.40
7.3.260.0130.01016.16
7.3.250.0120.02116.35
7.3.240.0150.00616.34
7.3.230.0040.01216.54
7.3.210.0140.00416.58
7.3.200.0160.00619.39
7.3.190.0100.00716.32
7.3.180.0100.00716.27
7.3.170.0100.00616.50
7.3.160.0080.00916.40
7.2.330.0170.00316.31
7.2.320.0100.01316.49
7.2.310.0030.01516.71
7.2.300.0090.01216.51
7.2.290.0080.00816.51
7.2.60.0030.01016.77
7.2.00.0040.01219.23
7.1.200.0000.01415.79
7.1.100.0080.00318.04
7.1.70.0030.00617.19
7.1.60.0100.01319.32
7.1.50.0150.00316.84
7.1.00.0000.08022.36
7.0.200.0030.00616.65
7.0.140.0070.07022.11
7.0.60.0100.08019.93
7.0.50.0000.05017.87
7.0.40.0100.04020.29
7.0.30.0400.05020.06
7.0.20.0270.06720.15
7.0.10.0100.04020.22
7.0.00.0070.06320.18
5.6.280.0000.07720.78
5.6.210.0130.06720.56
5.6.200.0030.08318.24
5.6.190.0100.05020.47
5.6.180.0600.06720.78
5.6.170.0230.04020.71
5.6.160.0100.05320.50
5.6.150.0070.07718.23
5.6.140.0000.07018.21
5.6.130.0100.08018.16
5.6.120.0030.04020.89
5.6.110.0030.04021.01
5.6.100.0030.04021.02
5.6.90.0130.06021.09
5.6.80.0070.08020.35
5.5.350.0000.07020.43
5.5.340.0070.08317.92
5.5.330.0170.07320.59
5.5.320.0300.04020.30
5.5.310.0230.05320.51
5.5.300.0070.05317.94
5.5.290.0100.04717.96
5.5.280.0030.08020.80
5.5.270.0000.09720.64
5.5.260.0000.04320.97
5.5.250.0070.06720.57
5.5.240.0070.03320.26
5.4.450.0130.05319.61
5.4.440.0470.05719.48
5.4.430.0800.06019.47
5.4.420.0930.04719.47
5.4.410.0870.05019.47
5.4.400.0870.05319.23
5.4.390.0830.06019.14
5.4.380.0530.05318.77
5.4.370.0470.05318.61
5.4.360.0470.06018.70
5.4.350.0430.05018.45
5.4.340.0630.07318.73
5.4.320.0070.04212.50
5.4.310.0020.04512.50
5.4.300.0060.03612.50
5.4.290.0070.03712.49
5.4.280.0060.03512.39
5.4.270.0040.03712.39
5.4.260.0080.03712.39
5.4.250.0030.04612.39
5.4.240.0030.03812.39
5.4.230.0040.03912.39
5.4.220.0030.03812.38
5.4.210.0080.03512.38
5.4.200.0040.04012.38
5.4.190.0080.03412.38
5.4.180.0060.03712.38
5.4.170.0050.03612.39
5.4.160.0040.03712.39
5.4.150.0080.03312.39
5.4.140.0050.03812.06
5.4.130.0070.03412.05
5.4.120.0060.03412.01
5.4.110.0080.03312.01
5.4.100.0060.03412.01
5.4.90.0060.03612.01
5.4.80.0080.03512.01
5.4.70.0080.03312.00
5.4.60.0080.03312.01
5.4.50.0060.03512.00
5.4.40.0070.03811.99
5.4.30.0050.03711.99
5.4.20.0060.03511.99
5.4.10.0030.03611.99
5.4.00.0090.03111.48
5.3.290.0050.03912.80
5.3.280.0080.04212.71
5.3.270.0040.04112.73
5.3.260.0070.03712.72
5.3.250.0070.03612.72
5.3.240.0070.03612.72
5.3.230.0100.03312.71
5.3.220.0060.03612.68
5.3.210.0050.04012.68
5.3.200.0070.03512.68
5.3.190.0030.04012.68
5.3.180.0040.03812.67
5.3.170.0080.03512.67
5.3.160.0070.03612.68
5.3.150.0040.03912.68
5.3.140.0090.03312.66
5.3.130.0070.03812.65
5.3.120.0080.03612.66
5.3.110.0070.03812.65
5.3.100.0020.04112.11
5.3.90.0030.03912.09
5.3.80.0050.03712.08
5.3.70.0090.03212.09
5.3.60.0060.03612.07
5.3.50.0060.04112.02
5.3.40.0050.04512.02
5.3.30.0090.03211.98
5.3.20.0090.03111.75
5.3.10.0080.03311.72
5.3.00.0090.03311.71
5.2.170.0060.0359.21
5.2.160.0050.0299.21
5.2.150.0030.0319.21
5.2.140.0040.0309.21
5.2.130.0050.0299.17
5.2.120.0080.0299.17
5.2.110.0050.0299.18
5.2.100.0090.0359.18
5.2.90.0050.0339.18
5.2.80.0030.0319.17
5.2.70.0050.0309.17
5.2.60.0040.0339.13
5.2.50.0040.0309.09
5.2.40.0040.0289.06
5.2.30.0060.0279.04
5.2.20.0050.0289.03
5.2.10.0040.0278.93
5.2.00.0040.0298.80
5.1.60.0060.0228.08
5.1.50.0070.0228.07
5.1.40.0050.0248.06
5.1.30.0040.0268.40
5.1.20.0070.0248.43
5.1.10.0030.0278.16
5.1.00.0050.0248.15
5.0.50.0050.0216.64
5.0.40.0030.0196.49
5.0.30.0040.0306.31
5.0.20.0010.0216.27
5.0.10.0050.0176.25
5.0.00.0040.0296.24
4.4.90.0020.0154.78
4.4.80.0030.0144.76
4.4.70.0010.0164.75
4.4.60.0030.0154.75
4.4.50.0020.0184.77
4.4.40.0020.0264.71
4.4.30.0040.0144.76
4.4.20.0020.0164.84
4.4.10.0060.0164.85
4.4.00.0050.0224.76
4.3.110.0010.0174.67
4.3.100.0040.0154.67
4.3.90.0040.0134.64
4.3.80.0040.0254.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0040.0204.63
4.3.40.0050.0214.54
4.3.30.0020.0153.30
4.3.20.0010.0223.28
4.3.10.0020.0183.23
4.3.00.0070.0236.80

preferences:
35.25 ms | 400 KiB | 5 Q