3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { private $bar; function remove(){ unset($this->bar); } } $x = new foo; $x->remove(); $x->lol =123; var_dump($x);

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)
8.3.70.0110.01118.54
8.3.60.0090.00916.50
8.3.50.0120.00316.59
8.3.40.0150.00618.51
8.3.30.0150.00018.48
8.3.20.0000.01021.91
8.3.10.0040.00423.70
8.3.00.0070.00021.90
8.2.180.0110.01116.75
8.2.170.0030.01222.96
8.2.160.0110.00620.36
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.05
8.2.110.0100.00020.96
8.2.100.0080.00417.78
8.2.90.0000.00919.08
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0090.00019.64
8.2.50.0000.00818.10
8.2.40.0080.00020.59
8.2.30.0030.00519.11
8.2.20.0040.00417.94
8.2.10.0050.00217.89
8.2.00.0050.00317.86
8.1.280.0070.00725.92
8.1.270.0000.00822.27
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0100.00023.83
8.1.230.0070.00317.77
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0040.00417.41
8.1.180.0040.00418.10
8.1.170.0040.00418.45
8.1.160.0040.00418.77
8.1.150.0080.00018.82
8.1.140.0070.00019.42
8.1.130.0030.00518.82
8.1.120.0000.00717.38
8.1.110.0040.00417.27
8.1.100.0080.00017.46
8.1.90.0050.00317.41
8.1.80.0040.00417.38
8.1.70.0030.00317.25
8.1.60.0040.00417.58
8.1.50.0000.00817.51
8.1.40.0070.00017.47
8.1.30.0000.00817.71
8.1.20.0040.00417.60
8.1.10.0040.00417.43
8.1.00.0000.00817.48
8.0.300.0070.00018.87
8.0.290.0020.00516.63
8.0.280.0030.00318.36
8.0.270.0040.00417.25
8.0.260.0030.00316.79
8.0.250.0000.00616.88
8.0.240.0040.00716.95
8.0.230.0060.00316.83
8.0.220.0030.00316.82
8.0.210.0030.00516.66
8.0.200.0030.00516.91
8.0.190.0000.00816.77
8.0.180.0030.00316.76
8.0.170.0000.00716.80
8.0.160.0000.00716.79
8.0.150.0000.00716.75
8.0.140.0020.00516.73
8.0.130.0000.00613.29
8.0.120.0080.00016.64
8.0.110.0070.00016.71
8.0.100.0050.00216.70
8.0.90.0000.00716.82
8.0.80.0000.01416.77
8.0.70.0000.00716.84
8.0.60.0040.00416.64
8.0.50.0040.00416.81
8.0.30.0110.00817.07
8.0.20.0110.01017.40
8.0.10.0070.00016.93
8.0.00.0070.01316.74
7.4.330.0030.00315.55
7.4.320.0000.00716.44
7.4.300.0070.00016.58
7.4.290.0030.00316.48
7.4.280.0000.00716.64
7.4.270.0030.00316.51
7.4.260.0070.00316.24
7.4.250.0040.00416.44
7.4.240.0080.00016.55
7.4.230.0000.00716.71
7.4.220.0090.00916.52
7.4.210.0000.01416.46
7.4.200.0030.00316.66
7.4.160.0100.00616.31
7.4.150.0070.01017.40
7.4.140.0120.00817.86
7.4.130.0140.00916.57
7.4.120.0100.01116.45
7.4.110.0030.01416.28
7.4.100.0100.00716.70
7.4.90.0060.01016.41
7.4.80.0040.01219.39
7.4.70.0060.01616.53
7.4.60.0150.00016.42
7.4.50.0070.01016.48
7.4.40.0130.00316.43
7.4.30.0130.00316.48
7.4.00.0020.00914.90
7.3.330.0060.00013.28
7.3.320.0050.00013.37
7.3.310.0000.00916.33
7.3.300.0000.00716.31
7.3.290.0050.01216.28
7.3.280.0080.00916.27
7.3.270.0040.01417.40
7.3.260.0090.02316.50
7.3.250.0150.00416.48
7.3.240.0060.01116.39
7.3.230.0130.00316.34
7.3.210.0070.01016.52
7.3.200.0160.00616.64
7.3.190.0080.00816.37
7.3.180.0140.00316.56
7.3.170.0030.01316.56
7.3.160.0110.00516.47
7.3.120.0100.00714.99
7.3.110.0030.00714.76
7.3.100.0030.00715.00
7.3.90.0030.01214.68
7.3.80.0000.01414.82
7.3.70.0070.00314.82
7.3.60.0000.00714.72
7.3.50.0090.00614.88
7.3.40.0080.00814.59
7.3.30.0070.00714.58
7.3.20.0050.00516.63
7.3.10.0100.00616.53
7.3.00.0130.00416.55
7.2.330.0060.01216.39
7.2.320.0080.00816.54
7.2.310.0060.01216.76
7.2.300.0080.01216.56
7.2.290.0040.01216.45
7.2.250.0000.01715.20
7.2.240.0060.00615.25
7.2.230.0070.01015.25
7.2.220.0080.00315.19
7.2.210.0110.00014.89
7.2.200.0040.00714.96
7.2.190.0060.00615.04
7.2.180.0070.00414.87
7.2.170.0040.01115.00
7.2.160.0090.00315.07
7.2.150.0060.00316.88
7.2.140.0040.00716.95
7.2.130.0080.00816.57
7.2.120.0110.00616.60
7.2.110.0070.00716.78
7.2.100.0110.00516.81
7.2.90.0070.01016.64
7.2.80.0110.00616.88
7.2.70.0120.00816.71
7.2.60.0080.00516.79
7.2.50.0080.00816.77
7.2.40.0050.00816.76
7.2.30.0100.00416.74
7.2.20.0070.00616.79
7.2.10.0060.00916.67
7.2.00.0120.00416.84
7.1.330.0110.00415.74
7.1.320.0000.00715.71
7.1.310.0070.00415.64
7.1.300.0090.00615.71
7.1.290.0070.00715.69
7.1.280.0090.00315.72
7.1.270.0060.00815.53
7.1.260.0000.00815.68
7.1.250.0100.00715.51
7.1.240.0000.01415.95
7.1.230.0030.00715.82
7.1.220.0000.01515.81
7.1.210.0000.01015.68
7.1.200.0090.00715.80
7.1.190.0000.01015.80
7.1.180.0030.00715.86
7.1.170.0080.00015.78
7.1.160.0000.00815.70
7.1.150.0040.00815.79
7.1.140.0040.00715.81
7.1.130.0090.00015.39
7.1.120.0000.01215.71
7.1.110.0020.01216.85
7.1.100.0060.00616.87
7.1.90.0030.00916.96
7.1.80.0050.00617.07
7.1.70.0050.00716.55
7.1.60.0120.00925.29
7.1.50.0120.00825.28
7.1.40.0120.00625.01
7.1.30.0100.00925.18
7.1.20.0100.01024.96
7.1.10.0060.00516.25
7.1.00.0070.00516.12
7.0.330.0100.00315.57
7.0.320.0060.00615.36
7.0.310.0090.00315.35
7.0.300.0130.00015.38
7.0.290.0040.00815.39
7.0.280.0000.00915.40
7.0.270.0030.00615.25
7.0.260.0070.00715.32
7.0.250.0000.01016.39
7.0.240.0020.00916.47
7.0.230.0100.00416.55
7.0.220.0050.01016.54
7.0.210.0080.00615.80
7.0.200.0040.00916.12
7.0.190.0000.01215.99
7.0.180.0070.00515.85
7.0.170.0030.00815.61
7.0.160.0000.01015.62
7.0.150.0030.00715.76
7.0.140.0080.00515.85
7.0.130.0020.01015.97
7.0.120.0030.00715.83
7.0.110.0070.00515.82
7.0.100.0030.01215.84
7.0.90.0030.00915.88
7.0.80.0090.00615.79
7.0.70.0050.00915.88
7.0.60.0070.00515.58
7.0.50.0070.00715.82
7.0.40.0040.00714.76
7.0.30.0040.00914.89
7.0.20.0050.00814.92
7.0.10.0040.00614.95
7.0.00.0070.00714.82
5.6.400.0060.00614.40
5.6.390.0000.01214.50
5.6.380.0050.00514.30

preferences:
61.82 ms | 400 KiB | 5 Q