3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { } function deleteMe(&$obj) { $obj = (unset) $obj; } $foo = new Foo(); var_dump($foo); deleteMe($foo); gc_collect_cycles(); var_dump($foo);

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)
8.3.60.0100.01018.52
8.3.50.0110.00821.02
8.3.40.0000.01418.71
8.3.30.0070.00718.93
8.3.20.0040.00420.20
8.3.10.0000.00821.83
8.3.00.0080.00022.43
8.2.180.0060.01216.38
8.2.170.0040.01122.96
8.2.160.0070.01018.97
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00726.16
8.2.120.0040.00419.54
8.2.110.0080.00022.16
8.2.100.0050.00517.84
8.2.90.0050.00319.11
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0000.00817.91
8.2.50.0060.00318.07
8.2.40.0000.00718.09
8.2.30.0070.00017.98
8.2.20.0050.00217.43
8.2.10.0050.00217.49
8.2.00.0000.00917.59
8.1.280.0090.00625.92
8.1.270.0080.00022.19
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.68
8.1.230.0040.00719.10
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0050.00517.23
8.1.190.0000.00817.28
8.1.180.0040.00420.36
8.1.170.0040.00418.59
8.1.160.0000.00822.04
8.1.150.0040.00418.41
8.1.140.0040.00417.36
8.1.130.0030.00317.80
8.1.120.0030.00317.29
8.1.110.0000.00717.18
8.1.100.0040.00417.34
8.1.90.0040.00417.21
8.1.80.0040.00417.36
8.1.70.0080.00017.29
8.1.60.0030.00517.43
8.1.50.0000.00717.36
8.1.40.0030.00617.27
8.1.30.0050.00217.41
8.1.20.0080.00017.43
8.1.10.0000.00817.32
8.1.00.0050.00217.31
8.0.300.0050.00218.77
8.0.290.0000.00816.93
8.0.280.0030.00318.32
8.0.270.0040.00417.13
8.0.260.0030.00316.80
8.0.250.0030.00316.91
8.0.240.0050.00316.79
8.0.230.0070.00016.79
8.0.220.0030.00316.73
8.0.210.0000.00716.84
8.0.200.0040.00316.80
8.0.190.0030.00316.82
8.0.180.0030.00316.86
8.0.170.0000.00816.86
8.0.160.0070.00016.80
8.0.150.0040.00416.88
8.0.140.0040.00416.76
8.0.130.0060.00013.25
8.0.120.0000.00716.80
8.0.110.0040.00416.72
8.0.100.0000.00816.84
8.0.90.0050.00316.93
8.0.80.0030.01316.81
8.0.70.0040.00416.87
8.0.60.0040.00416.86
8.0.50.0040.00416.92
8.0.30.0150.00616.99
8.0.20.0110.00617.40
8.0.10.0070.00016.88
8.0.00.0080.00916.68
7.4.330.0000.00515.02
7.4.320.0030.00316.47
7.4.300.0030.00316.54
7.4.290.0070.00016.57
7.4.280.0000.00816.61
7.4.270.0040.00416.40
7.4.260.0040.00416.42
7.4.250.0000.00816.54
7.4.240.0020.00516.53
7.4.230.0070.00016.69
7.4.220.0030.01216.58
7.4.210.0090.00616.56
7.4.200.0050.00216.47
7.4.190.0050.00316.66
7.4.160.0130.00316.42
7.4.150.0060.01017.40
7.4.140.0130.01317.86
7.4.130.0050.01616.46
7.4.120.0120.00516.43
7.4.110.0130.00316.60
7.4.100.0080.00816.36
7.4.90.0130.00316.45
7.4.80.0150.00619.39
7.4.70.0080.00816.61
7.4.60.0070.01016.36
7.4.50.0030.00516.65
7.4.40.0040.01122.77
7.4.30.0100.00716.29
7.4.00.0030.01314.94
7.3.330.0030.00313.36
7.3.320.0000.00513.36
7.3.310.0070.00016.25
7.3.300.0000.00716.22
7.3.290.0080.00616.37
7.3.280.0080.00716.37
7.3.270.0090.00917.40
7.3.260.0030.01316.36
7.3.250.0060.01516.54
7.3.240.0170.00016.37
7.3.230.0080.00816.48
7.3.210.0000.01816.35
7.3.200.0130.00319.39
7.3.190.0120.01216.51
7.3.180.0060.01116.34
7.3.170.0100.00616.61
7.3.160.0040.01616.56
7.3.120.0060.01015.02
7.2.330.0130.00416.39
7.2.320.0070.01016.44
7.2.310.0030.01316.40
7.2.300.0000.01616.70
7.2.290.0070.01416.52
7.2.60.0040.01116.59
7.2.00.0060.00319.38
7.1.200.0060.00615.36
7.1.70.0000.01417.16
7.1.60.0040.00717.25
7.1.50.0130.01934.71
7.1.00.0030.03322.45
7.0.200.0040.00416.76
7.0.140.0070.07022.10
7.0.100.0030.04319.95
7.0.90.0200.05319.98
7.0.80.0070.08319.92
7.0.70.0130.07719.85
7.0.60.0200.06720.05
7.0.50.0070.05320.38
7.0.40.0130.07320.00
7.0.30.0070.06320.03
7.0.20.0130.08020.08
7.0.10.0100.08020.09
7.0.00.0130.05720.08
5.6.280.0030.07320.91
5.6.250.0100.07020.69
5.6.240.0000.06720.68
5.6.230.0170.06720.51
5.6.220.0070.08720.66
5.6.210.0070.06320.78
5.6.200.0070.08321.05
5.6.190.0130.08021.01
5.6.180.0100.07321.11
5.6.170.0030.05721.02
5.6.160.0130.05320.95
5.6.150.0100.08021.08
5.6.140.0100.06720.96
5.6.130.0030.09021.11
5.6.120.0070.07320.94
5.6.110.0030.05021.08
5.6.100.0100.08020.93
5.6.90.0170.08321.02
5.6.80.0100.06720.52
5.6.70.0130.08020.32
5.6.60.0130.06020.45
5.6.50.0030.04320.39
5.6.40.0070.04020.39
5.6.30.0030.04020.54
5.6.20.0070.03720.40
5.6.10.0030.03720.40
5.6.00.0030.04720.47
5.5.380.0200.04020.36
5.5.370.0070.07320.40
5.5.360.0070.09020.56
5.5.350.0130.07320.45
5.5.340.0070.07720.64
5.5.330.0130.07020.86
5.5.320.0030.09020.92
5.5.310.0070.08720.77
5.5.300.0070.04720.80
5.5.290.0100.07320.89
5.5.280.0030.04320.83
5.5.270.0030.09020.85
5.5.260.0100.07020.88
5.5.250.0030.09020.73
5.5.240.0030.05320.19
5.5.230.0030.08720.11
5.5.220.0030.04320.27
5.5.210.0030.04320.30
5.5.200.0100.03320.25
5.5.190.0170.02720.23
5.5.180.0030.05320.11
5.5.160.0030.05320.13
5.5.150.0030.04020.23
5.5.140.0030.03320.22
5.5.130.0030.03720.22
5.5.120.0030.04320.17
5.5.110.0030.04020.07
5.5.100.0000.03720.16
5.5.90.0000.03320.07
5.5.80.0130.02320.04
5.5.70.0030.04720.07
5.5.60.0100.06020.10
5.5.50.0070.06020.12
5.5.40.0100.03019.95
5.5.30.0070.02720.08
5.5.20.0030.04320.15
5.5.10.0030.04020.04
5.5.00.0030.04320.02
5.4.450.0000.06019.27
5.4.440.0100.05019.46
5.4.430.0100.07319.46
5.4.420.0100.08319.37
5.4.410.0100.06319.29
5.4.400.0130.07719.14
5.4.390.0000.04719.03
5.4.380.0170.05319.07
5.4.370.0130.03018.84
5.4.360.0030.04318.96
5.4.350.0000.04719.03
5.4.340.0000.04318.85
5.4.320.0030.03719.03
5.4.310.0000.04018.90
5.4.300.0000.04018.95
5.4.290.0070.04019.12
5.4.280.0030.03318.86
5.4.270.0070.04319.21
5.4.260.0030.03719.06
5.4.250.0030.03318.90
5.4.240.0030.03019.02
5.4.230.0070.02719.05
5.4.220.0030.03719.20
5.4.210.0070.03319.11
5.4.200.0000.03318.84
5.4.190.0030.03319.05
5.4.180.0000.04019.24
5.4.170.0070.03719.06
5.4.160.0030.03718.93
5.4.150.0130.03019.16
5.4.140.0030.03716.50
5.4.130.0100.03016.46
5.4.120.0070.03016.51
5.4.110.0030.03316.52
5.4.100.0030.04316.48
5.4.90.0070.03016.41
5.4.80.0030.03716.43
5.4.70.0070.03016.50
5.4.60.0030.03316.44
5.4.50.0030.04016.37
5.4.40.0100.03016.52
5.4.30.0030.03016.30
5.4.20.0070.03316.24
5.4.10.0030.03716.29
5.4.00.0030.05315.79
5.3.290.0030.04014.71
5.3.280.0100.03314.73
5.3.270.0000.03714.55
5.3.260.0070.03714.74
5.3.250.0030.03014.58
5.3.240.0030.03714.63
5.3.230.0030.03714.73
5.3.220.0030.04014.51
5.3.210.0100.03014.70
5.3.200.0000.04314.67
5.3.190.0030.03714.62
5.3.180.0000.03314.58
5.3.170.0000.04014.48
5.3.160.0070.03314.70
5.3.150.0000.04014.64
5.3.140.0030.03014.67
5.3.130.0000.03314.53
5.3.120.0070.03314.66
5.3.110.0030.04014.53
5.3.100.0030.06014.00
5.3.90.0100.06313.98
5.3.80.0030.07714.08
5.3.70.0000.05714.05
5.3.60.0070.06313.93
5.3.50.0070.07314.00
5.3.40.0070.07313.83
5.3.30.0100.04713.95
5.3.20.0100.07013.80
5.3.10.0070.06713.71
5.3.00.0100.06713.54
5.2.170.0130.04312.39
5.2.160.0070.05712.39
5.2.150.0030.04312.39
5.2.140.0130.05712.39
5.2.130.0000.03712.39
5.2.120.0100.05012.39
5.2.110.0100.04712.39
5.2.100.0100.05312.39
5.2.90.0030.04312.39
5.2.80.0000.06712.39
5.2.70.0030.06012.39
5.2.60.0030.05712.39
5.2.50.0000.06712.39
5.2.40.0030.05012.39
5.2.30.0070.04712.39
5.2.20.0030.06312.39
5.2.10.0030.03012.39
5.2.00.0100.05312.39
5.1.60.0100.04312.39
5.1.50.0000.06012.39
5.1.40.0030.04312.39
5.1.30.0130.05012.39
5.1.20.0070.05312.39
5.1.10.0130.04712.39
5.1.00.0070.04312.39
5.0.50.0070.03712.39
5.0.40.0000.04712.39
5.0.30.0000.05312.39
5.0.20.0030.02312.39
5.0.10.0000.04012.39
5.0.00.0030.05012.39
4.4.90.0070.02312.39
4.4.80.0070.01712.39
4.4.70.0030.02312.39
4.4.60.0000.03012.39
4.4.50.0000.02312.39
4.4.40.0070.03712.39
4.4.30.0100.02712.39
4.4.20.0070.03312.39
4.4.10.0070.03012.39
4.4.00.0000.05712.39
4.3.110.0030.03712.39
4.3.100.0000.02012.39
4.3.90.0000.02312.39
4.3.80.0030.02312.39
4.3.70.0030.01312.39
4.3.60.0000.03312.39
4.3.50.0000.02312.39
4.3.40.0000.02712.39
4.3.30.0000.02012.39
4.3.20.0000.04012.39
4.3.10.0000.03312.39
4.3.00.0030.03312.39

preferences:
41.89 ms | 401 KiB | 5 Q