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); $field1 = 'field1'; var_dump(isset($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)
8.3.60.0130.00718.43
8.3.50.0100.01022.05
8.3.40.0070.00718.67
8.3.30.0100.00319.18
8.3.20.0050.00320.20
8.3.10.0050.00320.40
8.3.00.0080.00017.93
8.2.180.0070.00716.50
8.2.170.0040.01122.96
8.2.160.0070.00720.53
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0000.00722.09
8.2.110.0090.00020.35
8.2.100.0040.00818.00
8.2.90.0050.00319.11
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0060.00317.93
8.2.50.0040.00418.07
8.2.40.0060.00318.20
8.2.30.0050.00219.30
8.2.20.0070.00017.62
8.2.10.0000.00818.00
8.2.00.0040.00417.73
8.1.280.0140.00325.92
8.1.270.0030.00622.02
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0000.00922.14
8.1.230.0070.00318.97
8.1.220.0060.00317.79
8.1.210.0000.00818.77
8.1.200.0100.00017.47
8.1.190.0040.00417.11
8.1.180.0040.00418.10
8.1.170.0040.00418.43
8.1.160.0000.00722.12
8.1.150.0040.00418.92
8.1.140.0040.00417.37
8.1.130.0030.00317.86
8.1.120.0070.00017.50
8.1.110.0040.00417.46
8.1.100.0070.00017.47
8.1.90.0030.00317.46
8.1.80.0030.00317.43
8.1.70.0000.00717.34
8.1.60.0000.00817.57
8.1.50.0040.00417.35
8.1.40.0000.00717.43
8.1.30.0000.00817.52
8.1.20.0040.00417.61
8.1.10.0080.00017.54
8.1.00.0080.00017.38
8.0.300.0040.00418.77
8.0.290.0050.00216.63
8.0.280.0040.00418.48
8.0.270.0000.00717.27
8.0.260.0060.00017.17
8.0.250.0030.00316.85
8.0.240.0030.00316.82
8.0.230.0030.00316.82
8.0.220.0040.00416.85
8.0.210.0030.00316.85
8.0.200.0000.00616.91
8.0.190.0090.00016.82
8.0.180.0040.00416.90
8.0.170.0040.00416.98
8.0.160.0070.00016.94
8.0.150.0070.00016.73
8.0.140.0030.00516.71
8.0.130.0000.00513.31
8.0.120.0000.00816.75
8.0.110.0070.00016.83
8.0.100.0040.00416.85
8.0.90.0060.00316.85
8.0.80.0040.01016.95
8.0.70.0000.00816.96
8.0.60.0000.00716.84
8.0.50.0040.00416.79
8.0.30.0120.00917.08
8.0.20.0100.01317.40
8.0.10.0040.00417.08
8.0.00.0130.00816.94
7.4.330.0000.00515.03
7.4.320.0000.00616.60
7.4.300.0030.00316.43
7.4.290.0000.00716.54
7.4.280.0080.00016.62
7.4.270.0060.00016.64
7.4.260.0040.00416.54
7.4.250.0030.00516.49
7.4.240.0020.00516.46
7.4.230.0030.00316.40
7.4.220.0070.01016.63
7.4.210.0160.00316.55
7.4.200.0030.00516.63
7.4.160.0090.00616.54
7.4.150.0110.00817.40
7.4.140.0180.00817.86
7.4.130.0080.01016.43
7.4.120.0120.00516.38
7.4.110.0110.00616.40
7.4.100.0060.01516.37
7.4.90.0070.01116.46
7.4.80.0060.00916.42
7.4.70.0110.01116.54
7.4.60.0100.00616.51
7.4.50.0040.00416.56
7.4.40.0080.00816.29
7.4.30.0090.00616.21
7.4.00.0120.00014.63
7.3.330.0060.00013.23
7.3.320.0000.00513.30
7.3.310.0070.00016.17
7.3.300.0070.00016.32
7.3.290.0030.01216.28
7.3.280.0080.00716.26
7.3.270.0080.01517.40
7.3.260.0100.01016.51
7.3.250.0150.00516.36
7.3.240.0100.00716.33
7.3.230.0080.00816.56
7.3.210.0040.01416.31
7.3.200.0100.00719.39
7.3.190.0150.00616.46
7.3.180.0080.00816.12
7.3.170.0070.01416.29
7.3.160.0080.00816.39
7.2.330.0130.01016.71
7.2.320.0150.00916.64
7.2.310.0070.01016.69
7.2.300.0140.00716.58
7.2.290.0060.01516.65
7.2.00.0040.00819.39
7.1.100.0000.01518.20
7.1.70.0040.00417.23
7.1.60.0140.01019.32
7.1.50.0070.02116.86
7.1.00.0030.07722.48
7.0.200.0030.00516.69
7.0.140.0030.07321.97
7.0.60.0030.09020.03
7.0.50.0130.07017.88
7.0.40.0070.08020.38
7.0.30.0200.03720.16
7.0.20.0270.08320.23
7.0.10.0030.05720.07
7.0.00.0170.08020.09
5.6.210.0000.04320.73
5.6.200.0100.03318.17
5.6.190.0030.06320.57
5.6.180.0070.03720.39
5.6.170.0300.07720.54
5.6.160.0000.09020.55
5.6.150.0100.08018.29
5.6.140.0100.06718.18
5.6.130.0030.05318.23
5.6.120.0130.05021.05
5.6.110.0170.07320.94
5.6.100.0100.05321.16
5.6.90.0030.04020.97
5.6.80.0100.07720.39
5.6.70.0030.03320.34
5.5.350.0170.07720.42
5.5.340.0030.03717.99
5.5.330.0100.05720.40
5.5.320.0300.07320.38
5.5.310.0170.04020.34
5.5.300.0030.05318.00
5.5.290.0000.07018.03
5.5.280.0070.07020.88
5.5.270.0070.06720.75
5.5.260.0000.05720.76
5.5.250.0200.04720.54
5.5.240.0130.08020.17
5.4.450.0070.06019.61
5.4.440.0600.07319.65
5.4.430.0800.06319.20
5.4.420.0970.04719.58
5.4.410.0070.05719.57
5.4.400.0800.05019.29
5.4.390.0870.05719.30
5.4.380.0370.05318.79
5.4.370.0230.05718.75
5.4.360.0370.04718.46
5.4.350.0500.07018.80
5.4.340.0370.05318.56
5.4.320.0090.03512.50
5.4.310.0050.04012.49
5.4.300.0070.04312.50
5.4.290.0100.04512.49
5.4.280.0050.03412.39
5.4.270.0060.03412.39
5.4.260.0080.04012.39
5.4.250.0050.03912.39
5.4.240.0030.03812.39
5.4.230.0090.03712.38
5.4.220.0050.03612.38
5.4.210.0020.03812.38
5.4.200.0080.03412.38
5.4.190.0030.03812.38
5.4.180.0080.03412.38
5.4.170.0040.03812.39
5.4.160.0030.03912.39
5.4.150.0080.03312.38
5.4.140.0030.03812.07
5.4.130.0070.03412.05
5.4.120.0070.03712.01
5.4.110.0050.03812.01
5.4.100.0050.03812.01
5.4.90.0110.03212.01
5.4.80.0060.03712.00
5.4.70.0050.03512.00
5.4.60.0040.03612.00
5.4.50.0060.03412.00
5.4.40.0050.03411.99
5.4.30.0080.03211.99
5.4.20.0050.04211.99
5.4.10.0070.03311.99
5.4.00.0080.04111.48
5.3.290.0060.05112.80
5.3.280.0050.04112.71
5.3.270.0080.03912.73
5.3.260.0040.04112.71
5.3.250.0080.03512.72
5.3.240.0090.03612.71
5.3.230.0060.04112.71
5.3.220.0040.03912.68
5.3.210.0070.03812.68
5.3.200.0040.03812.68
5.3.190.0050.04112.67
5.3.180.0060.04012.67
5.3.170.0060.03612.67
5.3.160.0070.03512.67
5.3.150.0020.04112.67
5.3.140.0080.03412.66
5.3.130.0060.03812.65
5.3.120.0050.04012.66
5.3.110.0050.04112.66
5.3.100.0020.05112.12
5.3.90.0050.04012.09
5.3.80.0050.03912.09
5.3.70.0040.03912.08
5.3.60.0040.03812.07
5.3.50.0070.03412.02
5.3.40.0070.03812.02
5.3.30.0040.03711.98
5.3.20.0110.03711.75
5.3.10.0080.03311.72
5.3.00.0050.04211.71
5.2.170.0020.0409.21
5.2.160.0120.0319.21
5.2.150.0050.0319.21
5.2.140.0070.0289.21
5.2.130.0070.0309.17
5.2.120.0030.0319.17
5.2.110.0040.0319.17
5.2.100.0030.0299.17
5.2.90.0060.0339.17
5.2.80.0030.0339.17
5.2.70.0080.0279.16
5.2.60.0050.0359.12
5.2.50.0030.0309.09
5.2.40.0050.0279.06
5.2.30.0100.0279.04
5.2.20.0050.0289.03
5.2.10.0090.0338.93
5.2.00.0040.0318.80
5.1.60.0040.0238.08
5.1.50.0050.0238.08
5.1.40.0080.0228.06
5.1.30.0030.0278.41
5.1.20.0050.0248.43
5.1.10.0060.0368.15
5.1.00.0040.0258.15
5.0.50.0040.0206.63
5.0.40.0020.0216.49
5.0.30.0030.0316.30
5.0.20.0030.0216.27
5.0.10.0040.0256.25
5.0.00.0030.0316.24
4.4.90.0020.0174.78
4.4.80.0010.0164.75
4.4.70.0030.0154.76
4.4.60.0050.0134.75
4.4.50.0010.0164.77
4.4.40.0030.0264.71
4.4.30.0060.0194.76
4.4.20.0040.0154.85
4.4.10.0000.0194.85
4.4.00.0040.0314.76
4.3.110.0030.0154.67
4.3.100.0010.0164.66
4.3.90.0030.0294.63
4.3.80.0030.0254.58
4.3.70.0040.0134.63
4.3.60.0040.0234.63
4.3.50.0080.0304.63
4.3.40.0060.0294.53
4.3.30.0010.0163.30
4.3.20.0030.0183.28
4.3.10.0030.0153.24
4.3.00.0000.0236.80

preferences:
33.55 ms | 401 KiB | 5 Q