3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar; } $f = new Foo(); unset($f->bar); var_dump($f);

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)
8.3.40.0110.00718.44
8.3.30.0030.01719.09
8.3.20.0040.00420.18
8.3.10.0060.00320.27
8.3.00.0090.00019.26
8.2.170.0090.00622.96
8.2.160.0090.00620.52
8.2.150.0060.00324.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00420.97
8.2.110.0030.00620.47
8.2.100.0140.00018.16
8.2.90.0060.00319.09
8.2.80.0030.00617.97
8.2.70.0060.00317.24
8.2.60.0040.00417.92
8.2.50.0040.00418.07
8.2.40.0060.00318.09
8.2.30.0040.00419.49
8.2.20.0040.00417.61
8.2.10.0040.00418.00
8.2.00.0060.00317.72
8.1.270.0060.00322.14
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00522.14
8.1.230.0050.00617.76
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0050.00517.22
8.1.180.0030.00618.10
8.1.170.0040.00418.46
8.1.160.0030.00521.99
8.1.150.0050.00218.81
8.1.140.0000.00717.39
8.1.130.0000.00717.79
8.1.120.0070.00017.50
8.1.110.0040.00317.40
8.1.100.0040.00417.38
8.1.90.0040.00417.46
8.1.80.0050.00317.30
8.1.70.0040.00417.28
8.1.60.0080.00017.48
8.1.50.0040.00417.50
8.1.40.0050.00317.44
8.1.30.0030.00517.53
8.1.20.0070.00017.57
8.1.10.0050.00217.46
8.1.00.0040.00417.40
8.0.300.0070.00018.77
8.0.290.0000.00916.58
8.0.280.0070.00018.44
8.0.270.0080.00017.20
8.0.260.0060.00017.07
8.0.250.0030.00316.91
8.0.240.0080.00016.86
8.0.230.0040.00416.88
8.0.220.0030.00316.90
8.0.210.0070.00016.82
8.0.200.0040.00416.76
8.0.190.0040.00416.88
8.0.180.0040.00416.75
8.0.170.0000.00916.76
8.0.160.0040.00416.80
8.0.150.0030.00516.65
8.0.140.0030.00416.76
8.0.130.0000.00513.27
8.0.120.0060.00316.77
8.0.110.0040.00416.83
8.0.100.0000.00716.88
8.0.90.0040.00416.85
8.0.80.0140.00716.71
8.0.70.0080.00016.86
8.0.60.0000.00816.72
8.0.50.0040.00416.84
8.0.30.0140.00517.16
8.0.20.0150.00917.40
8.0.10.0040.00416.73
8.0.00.0100.00716.69
7.4.330.0000.00515.08
7.4.320.0000.00616.50
7.4.300.0060.00016.58
7.4.290.0030.00316.45
7.4.280.0040.00416.53
7.4.270.0060.00016.43
7.4.260.0000.00616.41
7.4.250.0030.00516.36
7.4.240.0020.00516.41
7.4.230.0040.00416.61
7.4.220.0090.00916.54
7.4.210.0130.00716.58
7.4.200.0050.00216.63
7.4.160.0080.00816.24
7.4.150.0030.01417.40
7.4.140.0110.01017.86
7.4.130.0070.01216.39
7.4.120.0080.01016.44
7.4.110.0110.00516.44
7.4.100.0170.00616.40
7.4.90.0140.00316.46
7.4.80.0120.00419.39
7.4.70.0190.00316.48
7.4.60.0160.00016.61
7.4.50.0030.00316.43
7.4.40.0080.01116.43
7.4.30.0030.01316.47
7.4.00.0000.00914.62
7.3.330.0000.00513.09
7.3.320.0080.00013.18
7.3.310.0030.00316.32
7.3.300.0000.00616.25
7.3.290.0090.00916.26
7.3.280.0070.00816.24
7.3.270.0090.00917.40
7.3.260.0150.00616.59
7.3.250.0140.00916.34
7.3.240.0100.00616.28
7.3.230.0070.01016.39
7.3.210.0060.01216.19
7.3.200.0060.01119.39
7.3.190.0140.00816.12
7.3.180.0030.01916.34
7.3.170.0060.01216.27
7.3.160.0130.00416.30
7.2.330.0130.00316.50
7.2.320.0080.00816.35
7.2.310.0120.00916.37
7.2.300.0070.01116.63
7.2.290.0110.01116.39
7.2.60.0000.01016.83
7.2.00.0070.01119.38
7.1.200.0030.01115.72
7.1.100.0060.00917.76
7.1.70.0050.00217.14
7.1.60.0180.00719.61
7.1.50.0030.01616.89
7.1.00.0030.07322.29
7.0.200.0000.01116.64
7.0.140.0130.06722.09
7.0.60.0030.07319.93
7.0.50.0030.06717.84
7.0.40.0030.08320.40
7.0.30.0330.05320.23
7.0.20.0300.06020.25
7.0.10.0130.07720.16
7.0.00.0070.08320.06
5.6.280.0000.07720.91
5.6.210.0030.06320.49
5.6.200.0030.04318.25
5.6.190.0070.06720.77
5.6.180.0300.03320.61
5.6.170.0100.04720.45
5.6.160.0030.04320.55
5.6.150.0070.07718.23
5.6.140.0030.08318.24
5.6.130.0030.04018.15
5.6.120.0070.04020.99
5.6.110.0070.08720.93
5.6.100.0100.03720.99
5.6.90.0100.06020.97
5.6.80.0070.07320.29
5.6.70.0130.07320.43
5.5.350.0130.08020.38
5.5.340.0000.04317.96
5.5.330.0170.07320.28
5.5.320.0330.08020.27
5.5.310.0300.06320.27
5.5.300.0070.04317.94
5.5.290.0000.09017.98
5.5.280.0070.08320.88
5.5.270.0030.04720.94
5.5.260.0130.07020.83
5.5.250.0070.06320.57
5.5.240.0270.07320.16
5.4.450.0370.05019.51
5.4.440.0200.04719.20
5.4.430.0130.04319.63
5.4.420.0270.05019.57
5.4.410.0270.03719.33
5.4.400.0230.03319.27
5.4.390.0500.02718.87
5.4.380.0370.06318.52
5.4.370.0370.06718.78
5.4.360.0370.05018.69
5.4.350.0400.04718.80
5.4.340.0270.05718.60
5.4.320.0070.03712.50
5.4.310.0070.04612.49
5.4.300.0080.04112.50
5.4.290.0060.04012.50
5.4.280.0050.04312.39
5.4.270.0070.03712.39
5.4.260.0080.03812.39
5.4.250.0060.04012.39
5.4.240.0090.03512.39
5.4.230.0090.03612.38
5.4.220.0090.03512.39
5.4.210.0090.03412.38
5.4.200.0050.03912.38
5.4.190.0050.03712.38
5.4.180.0070.03512.38
5.4.170.0050.03612.39
5.4.160.0100.03712.39
5.4.150.0050.03712.38
5.4.140.0060.03712.07
5.4.130.0070.03412.05
5.4.120.0070.03712.01
5.4.110.0040.03712.01
5.4.100.0060.03712.01
5.4.90.0070.03712.01
5.4.80.0060.03712.01
5.4.70.0010.04112.01
5.4.60.0070.04312.00
5.4.50.0050.03812.00
5.4.40.0090.03411.99
5.4.30.0060.03811.99
5.4.20.0050.03811.99
5.4.10.0100.04211.99
5.4.00.0070.04011.48
5.3.290.0080.04812.80
5.3.280.0050.04212.71
5.3.270.0050.05012.73
5.3.260.0080.05212.72
5.3.250.0080.03612.72
5.3.240.0100.03912.72
5.3.230.0050.04012.71
5.3.220.0100.03412.68
5.3.210.0110.04012.68
5.3.200.0100.04612.68
5.3.190.0100.03712.68
5.3.180.0070.03912.68
5.3.170.0050.04912.67
5.3.160.0070.04712.67
5.3.150.0050.04412.67
5.3.140.0080.04212.66
5.3.130.0050.04312.66
5.3.120.0050.04112.66
5.3.110.0070.04112.66
5.3.100.0060.03812.12
5.3.90.0110.03912.09
5.3.80.0070.04512.08
5.3.70.0070.04512.08
5.3.60.0060.04012.07
5.3.50.0090.03612.02
5.3.40.0070.04012.02
5.3.30.0080.03511.97
5.3.20.0050.03911.75
5.3.10.0100.03711.72
5.3.00.0060.03611.71
5.2.170.0040.0309.21
5.2.160.0040.0319.21
5.2.150.0050.0299.21
5.2.140.0080.0279.21
5.2.130.0070.0269.17
5.2.120.0070.0269.17
5.2.110.0050.0299.17
5.2.100.0030.0319.16
5.2.90.0040.0309.17
5.2.80.0050.0319.16
5.2.70.0030.0339.16
5.2.60.0060.0299.12
5.2.50.0050.0329.09
5.2.40.0060.0289.06
5.2.30.0100.0449.04
5.2.20.0040.0299.03
5.2.10.0070.0248.93
5.2.00.0050.0288.79
5.1.60.0070.0218.08
5.1.50.0020.0318.08
5.1.40.0070.0248.05
5.1.30.0030.0278.40
5.1.20.0050.0278.43
5.1.10.0060.0248.15
5.1.00.0080.0318.15
5.0.50.0070.0176.63
5.0.40.0050.0176.49
5.0.30.0040.0316.31
5.0.20.0030.0206.27
5.0.10.0050.0206.25
5.0.00.0040.0346.24
4.4.90.0040.0164.78
4.4.80.0040.0164.75
4.4.70.0020.0164.75
4.4.60.0000.0204.76
4.4.50.0030.0154.77
4.4.40.0030.0284.71
4.4.30.0030.0214.76
4.4.20.0060.0164.85
4.4.10.0050.0174.85
4.4.00.0040.0244.76
4.3.110.0020.0174.67
4.3.100.0030.0154.66
4.3.90.0060.0134.63
4.3.80.0040.0244.59
4.3.70.0010.0164.63
4.3.60.0030.0154.63
4.3.50.0040.0164.63
4.3.40.0030.0244.54
4.3.30.0020.0163.30
4.3.20.0090.0203.28
4.3.10.0020.0183.23
4.3.00.0000.02014.81

preferences:
46.29 ms | 400 KiB | 5 Q