3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Data { public $foo = 'bar'; public function wtf() { unset($this->foo); } } $d = new Data; var_dump('foo exists', property_exists($d, 'foo')); $d->wtf(); var_dump('foo exists', property_exists($d, '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)
8.3.60.0110.00716.50
8.3.50.0030.01222.05
8.3.40.0090.00618.84
8.3.30.0000.01419.04
8.3.20.0040.00420.20
8.3.10.0080.00023.48
8.3.00.0040.00420.55
8.2.180.0080.00816.50
8.2.170.0140.00322.96
8.2.160.0140.00420.38
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0070.00021.04
8.2.110.0060.00321.04
8.2.100.0060.00617.72
8.2.90.0000.00818.22
8.2.80.0060.00318.03
8.2.70.0040.00417.50
8.2.60.0050.00317.63
8.2.50.0030.00617.38
8.2.40.0040.00417.62
8.2.30.0030.00517.63
8.2.20.0070.00017.56
8.2.10.0050.00217.88
8.2.00.0050.00217.65
8.1.280.0030.01325.92
8.1.270.0050.00323.83
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0100.00722.47
8.1.230.0120.00020.88
8.1.220.0030.00617.79
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0000.00717.23
8.1.180.0080.00018.10
8.1.170.0080.00017.62
8.1.160.0000.00718.73
8.1.150.0020.00518.57
8.1.140.0040.00417.39
8.1.130.0000.00717.75
8.1.120.0050.00217.39
8.1.110.0080.00017.29
8.1.100.0040.00417.35
8.1.90.0070.00317.29
8.1.80.0050.00217.39
8.1.70.0070.00017.23
8.1.60.0070.00317.61
8.1.50.0040.00417.59
8.1.40.0030.00517.54
8.1.30.0000.00817.50
8.1.20.0000.00817.54
8.1.10.0000.00817.52
8.1.00.0050.00517.31
8.0.300.0000.00719.79
8.0.290.0040.00416.75
8.0.280.0080.00017.89
8.0.270.0070.00017.94
8.0.260.0030.00317.18
8.0.250.0030.00316.81
8.0.240.0030.00316.91
8.0.230.0000.00716.87
8.0.220.0030.00316.83
8.0.210.0070.00016.85
8.0.200.0000.00616.89
8.0.190.0000.00716.92
8.0.180.0030.00516.85
8.0.170.0040.00416.89
8.0.160.0000.00716.78
8.0.150.0080.00016.82
8.0.140.0070.00316.73
8.0.130.0000.00613.29
8.0.120.0060.00316.76
8.0.110.0040.00416.80
8.0.100.0040.00416.84
8.0.90.0000.00716.72
8.0.80.0080.00816.82
8.0.70.0030.00516.93
8.0.60.0000.00816.86
8.0.50.0030.00516.89
8.0.30.0080.01116.99
8.0.20.0070.01217.40
8.0.10.0040.00416.84
8.0.00.0090.00916.93
7.4.330.0000.00515.03
7.4.320.0000.00616.47
7.4.300.0090.00016.59
7.4.290.0040.00416.57
7.4.280.0030.00716.59
7.4.270.0080.00016.64
7.4.260.0000.00716.60
7.4.250.0050.00316.48
7.4.240.0040.00316.46
7.4.230.0030.00316.54
7.4.220.0070.02016.63
7.4.210.0120.00316.41
7.4.200.0030.00316.50
7.4.190.0000.00716.51
7.4.160.0040.01116.49
7.4.150.0070.01117.40
7.4.140.0100.00717.86
7.4.130.0060.01116.40
7.4.120.0070.01016.41
7.4.110.0080.00816.40
7.4.100.0170.00716.37
7.4.90.0100.01016.36
7.4.80.0190.00519.39
7.4.70.0120.00516.59
7.4.60.0120.00916.47
7.4.50.0000.00416.30
7.4.40.0070.01016.35
7.4.30.0100.00616.33
7.4.00.0070.00715.02
7.3.330.0000.00513.27
7.3.320.0030.00313.09
7.3.310.0000.00816.14
7.3.300.0000.00816.10
7.3.290.0070.00716.27
7.3.280.0080.01316.24
7.3.270.0100.01317.40
7.3.260.0120.01216.36
7.3.250.0110.00616.39
7.3.240.0150.00916.31
7.3.230.0120.00416.58
7.3.210.0060.00916.41
7.3.200.0070.01319.39
7.3.190.0100.00616.26
7.3.180.0180.00016.04
7.3.170.0100.01016.39
7.3.160.0090.00616.37
7.3.120.0030.01414.85
7.3.00.0130.00316.56
7.2.330.0130.00416.62
7.2.320.0060.01016.77
7.2.310.0090.00616.29
7.2.300.0060.01016.71
7.2.290.0120.00816.61
7.2.130.0000.01416.79
7.2.120.0120.00616.89
7.2.110.0050.00517.00
7.2.100.0100.00316.99
7.2.90.0090.00316.79
7.2.80.0030.00916.90
7.2.70.0040.00716.82
7.2.60.0090.00316.98
7.2.50.0040.00416.86
7.2.40.0090.00316.85
7.2.30.0040.00416.91
7.2.20.0040.00816.71
7.2.10.0000.01316.86
7.2.00.0050.00518.17
7.1.250.0070.00715.76
7.1.240.0120.00415.63
7.1.230.0070.00715.88
7.1.220.0090.00615.56
7.1.210.0060.00315.81
7.1.200.0070.00715.69
7.1.190.0030.00715.61
7.1.180.0110.00315.77
7.1.170.0060.00615.46
7.1.160.0030.01015.75
7.1.150.0060.00315.57
7.1.140.0040.01115.65
7.1.130.0070.00715.52
7.1.120.0030.00715.75
7.1.110.0120.00315.38
7.1.100.0020.00716.90
7.1.90.0060.00615.42
7.1.80.0040.01415.70
7.1.70.0010.01016.37
7.1.60.0020.01517.73
7.1.50.0050.01516.23
7.1.40.0040.01215.32
7.1.30.0030.00615.61
7.1.20.0060.00615.60
7.1.10.0070.00715.77
7.1.00.0080.03819.08
7.0.330.0090.00314.98
7.0.320.0000.01015.21
7.0.310.0130.00015.39
7.0.300.0000.00915.25
7.0.290.0030.00915.33
7.0.280.0070.00715.32
7.0.270.0040.00715.45
7.0.260.0050.00315.33
7.0.250.0090.00615.27
7.0.240.0060.00615.55
7.0.230.0040.00415.06
7.0.220.0060.00615.37
7.0.210.0060.00615.04
7.0.200.0030.00716.01
7.0.190.0070.00315.54
7.0.180.0090.00315.34
7.0.170.0040.00815.39
7.0.160.0110.00015.38
7.0.150.0000.00815.28
7.0.140.0040.04018.50
7.0.130.0090.00615.38
7.0.120.0000.01115.07
7.0.110.0070.01015.37
7.0.100.0060.00615.46
7.0.90.0000.00715.23
7.0.80.0000.01515.36
7.0.70.0000.01015.49
7.0.60.0080.02317.53
7.0.50.0030.04516.51
7.0.40.0030.04816.76
7.0.30.0180.04016.81
7.0.20.0170.02316.62
7.0.10.0070.03716.92
7.0.00.0090.04516.82
5.6.380.0030.01014.43
5.6.370.0030.01014.27
5.6.360.0090.00014.18
5.6.350.0030.00914.08
5.6.340.0040.00714.35
5.6.330.0000.00913.87
5.6.320.0060.00614.55
5.6.310.0070.00714.25
5.6.300.0070.00714.23
5.6.290.0030.00614.25
5.6.280.0040.04017.55
5.6.270.0040.00414.01
5.6.260.0100.00314.32
5.6.250.0070.00714.19
5.6.240.0110.00014.34
5.6.230.0070.00714.41
5.6.220.0070.00414.24
5.6.210.0050.03817.35
5.6.200.0050.02516.47
5.6.190.0100.03217.46
5.6.180.0200.03517.49
5.6.170.0130.04017.45
5.6.160.0030.02217.27
5.6.150.0070.03716.28
5.6.140.0110.02016.04
5.6.130.0120.04216.20
5.6.120.0070.04417.63
5.6.110.0060.03517.76
5.6.100.0050.04517.72
5.6.90.0090.02917.58
5.6.80.0120.03717.48
5.6.70.0030.00813.98
5.6.60.0040.00814.18
5.6.50.0000.01314.46
5.6.40.0080.00814.14
5.6.30.0100.00713.96
5.6.20.0030.01214.27
5.6.10.0030.01414.34
5.6.00.0000.01214.22
5.5.380.0040.00411.18
5.5.370.0040.00411.18
5.5.360.0030.00311.18
5.5.350.0200.03315.80
5.5.340.0090.03214.58
5.5.330.0050.02815.68
5.5.320.0130.02515.71
5.5.310.0160.03515.70
5.5.300.0020.02514.61
5.5.290.0050.04214.63
5.5.280.0080.04316.00
5.5.270.0050.02816.05
5.5.260.0020.02316.02
5.5.250.0100.02215.96
5.5.240.0050.04215.73
5.5.230.0000.00511.18
5.5.220.0060.00311.18
5.5.210.0040.01111.18
5.5.200.0030.00311.18
5.5.190.0040.00711.18
5.5.180.0040.00711.18
5.5.170.0080.00311.18
5.5.160.0090.00011.18
5.5.150.0040.00411.18
5.5.140.0030.00311.25
5.5.130.0000.00711.18
5.5.120.0080.00011.18
5.5.110.0060.00311.18
5.5.100.0060.00611.18
5.5.90.0040.00811.18
5.5.80.0030.00611.22
5.5.70.0060.00611.18
5.5.60.0070.00711.18
5.5.50.0030.00311.18
5.5.40.0070.00311.18
5.5.30.0030.01011.18
5.5.20.0030.00311.34
5.5.10.0030.00311.20
5.5.00.0030.00711.18
5.4.450.0130.02815.27
5.4.440.0380.03615.32
5.4.430.0070.03315.36
5.4.420.0400.02815.43
5.4.410.0420.03015.31
5.4.400.0490.03015.20
5.4.390.0560.02515.04
5.4.380.0110.03314.93
5.4.370.0070.03014.98
5.4.360.0070.03214.88
5.4.350.0120.02714.88
5.4.340.0100.03414.88
5.4.330.0000.00711.18
5.4.320.0050.02211.84
5.4.310.0050.02411.84
5.4.300.0080.02711.84
5.4.290.0090.02811.84
5.4.280.0110.02311.79
5.4.270.0080.03011.79
5.4.260.0050.03811.79
5.4.250.0040.02811.79
5.4.240.0080.02911.78
5.4.230.0090.02411.78
5.4.220.0040.02811.78
5.4.210.0110.02611.78
5.4.200.0070.03311.78
5.4.190.0080.03111.78
5.4.180.0080.03311.78
5.4.170.0070.02911.79
5.4.160.0100.02511.79
5.4.150.0040.02711.78
5.4.140.0090.02011.62
5.4.130.0040.02111.62
5.4.120.0070.02411.60
5.4.110.0070.02811.59
5.4.100.0040.02011.60
5.4.90.0080.02011.59
5.4.80.0080.02011.59
5.4.70.0050.02111.59
5.4.60.0060.02511.59
5.4.50.0100.02211.59
5.4.40.0120.02211.59
5.4.30.0070.02811.59
5.4.20.0060.02411.58
5.4.10.0080.02111.59
5.4.00.0070.02111.33
5.3.290.0060.02211.99
5.3.280.0110.03111.94
5.3.270.0080.03011.95
5.3.260.0070.02811.95
5.3.250.0070.02411.95
5.3.240.0100.02411.95
5.3.230.0100.02311.94
5.3.220.0070.02411.93
5.3.210.0100.02911.93
5.3.200.0060.02511.93
5.3.190.0060.02211.92
5.3.180.0050.02211.93
5.3.170.0110.02411.92
5.3.160.0070.02411.92
5.3.150.0060.02211.92
5.3.140.0090.02111.92
5.3.130.0090.02311.92
5.3.120.0080.02911.92
5.3.110.0110.04111.92
5.3.100.0050.02511.65
5.3.90.0100.02611.64
5.3.80.0100.02211.63
5.3.70.0050.02211.63
5.3.60.0080.02411.62
5.3.50.0080.02011.60
5.3.40.0060.02911.60
5.3.30.0040.03111.58
5.3.20.0090.02611.47
5.3.10.0060.02911.45
5.3.00.0070.03011.45
5.2.170.0040.02510.20
5.2.160.0040.02410.20
5.2.150.0040.02210.20
5.2.140.0050.02310.20
5.2.130.0050.01710.18
5.2.120.0070.01710.18
5.2.110.0030.02210.18
5.2.100.0070.02110.18
5.2.90.0060.02310.18
5.2.80.0060.01910.17
5.2.70.0020.01910.17
5.2.60.0040.02010.15
5.2.50.0050.01610.13
5.2.40.0050.01610.13
5.2.30.0080.01410.11
5.2.20.0050.01710.10
5.2.10.0060.01810.06
5.2.00.0050.0219.99
5.1.60.0070.0179.63
5.1.50.0050.0139.63
5.1.40.0040.0149.62
5.1.30.0080.0129.79
5.1.20.0040.0159.81
5.1.10.0040.0169.67
5.1.00.0050.0149.67
5.0.50.0020.0148.91
5.0.40.0040.0098.84
5.0.30.0030.0178.75
5.0.20.0040.0118.73
5.0.10.0020.0188.72
5.0.00.0040.0228.71
4.4.90.0030.0107.98
4.4.80.0030.0097.96
4.4.70.0050.0097.96
4.4.60.0010.0117.96
4.4.50.0020.0137.97
4.4.40.0040.0137.94
4.4.30.0040.0107.97
4.4.20.0020.0128.01
4.4.10.0030.0118.01
4.4.00.0040.0157.97
4.3.110.0020.0107.92
4.3.100.0020.0157.92
4.3.90.0060.0147.90
4.3.80.0020.0157.88
4.3.70.0030.0107.90
4.3.60.0000.0117.90
4.3.50.0040.0107.90
4.3.40.0040.0127.85
4.3.30.0030.0107.24
4.3.20.0040.0087.23
4.3.10.0010.0117.21
4.3.00.0000.01218.24

preferences:
45.2 ms | 401 KiB | 5 Q