3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $_attributes = []; public function __get($name) { return null; // $this->_attributes[$name]; } } class Bar { public $relation; public $need; public function test() { $relation = $this->relation; if (!empty($relation->{$this->need})) { return 'Not empty'; } } } $foo = new Foo(); $bar = new Bar(); $bar->relation = $foo; $bar->need = 'slug'; var_dump($bar->test());

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)
8.3.60.0110.01116.63
8.3.50.0120.00621.87
8.3.40.0070.00718.84
8.3.30.0070.00718.79
8.3.20.0060.00620.16
8.3.10.0030.00623.54
8.3.00.0070.00319.25
8.2.180.0120.00316.35
8.2.170.0040.01122.96
8.2.160.0140.00020.50
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0060.00317.61
8.2.120.0080.00026.35
8.2.110.0100.00021.00
8.2.100.0000.01117.50
8.2.90.0060.00319.19
8.2.80.0050.00317.97
8.2.70.0090.00017.50
8.2.60.0040.00417.92
8.2.50.0040.00418.07
8.2.40.0050.00319.53
8.2.30.0040.00420.52
8.2.20.0070.00417.57
8.2.10.0080.00018.13
8.2.00.0050.00318.07
8.1.280.0100.00625.92
8.1.270.0060.00323.97
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0030.00622.16
8.1.230.0080.00417.54
8.1.220.0000.00817.78
8.1.210.0060.00618.77
8.1.200.0100.00017.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0070.00018.78
8.1.160.0070.00022.01
8.1.150.0000.00718.88
8.1.140.0030.00519.63
8.1.130.0030.00617.61
8.1.120.0040.00417.52
8.1.110.0000.00717.31
8.1.100.0050.00217.41
8.1.90.0000.00717.51
8.1.80.0040.00417.33
8.1.70.0030.00317.39
8.1.60.0050.00317.42
8.1.50.0050.00317.50
8.1.40.0000.00817.42
8.1.30.0030.00617.65
8.1.20.0040.00417.64
8.1.10.0040.00417.37
8.1.00.0040.00417.44
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0040.00418.44
8.0.270.0030.00317.26
8.0.260.0030.00317.21
8.0.250.0060.00016.90
8.0.240.0070.00016.96
8.0.230.0030.00316.98
8.0.220.0000.00816.97
8.0.210.0050.00216.88
8.0.200.0070.00016.90
8.0.190.0000.00716.94
8.0.180.0030.00316.91
8.0.170.0040.00416.88
8.0.160.0080.00016.93
8.0.150.0030.00316.88
8.0.140.0000.00716.79
8.0.130.0030.00613.33
8.0.120.0030.00516.77
8.0.110.0020.00516.84
8.0.100.0040.00416.73
8.0.90.0040.00417.00
8.0.80.0130.00316.94
8.0.70.0040.00416.93
8.0.60.0000.00716.81
8.0.50.0080.00016.71
8.0.30.0070.01116.92
8.0.20.0100.00817.40
8.0.10.0060.00317.07
8.0.00.0060.01116.80
7.4.330.0000.00516.66
7.4.320.0040.00416.53
7.4.300.0000.00616.52
7.4.290.0070.00016.53
7.4.280.0040.00416.59
7.4.270.0000.00816.63
7.4.260.0000.00716.65
7.4.250.0080.00016.51
7.4.240.0070.00016.57
7.4.230.0000.00716.63
7.4.220.0160.00316.63
7.4.210.0050.00816.53
7.4.200.0050.00216.44
7.4.160.0090.00616.62
7.4.150.0080.00817.40
7.4.140.0120.00817.86
7.4.130.0120.00916.62
7.4.120.0090.00816.62
7.4.110.0060.01216.34
7.4.100.0090.00916.66
7.4.90.0030.01316.58
7.4.80.0070.01019.39
7.4.70.0060.01216.43
7.4.60.0040.01216.45
7.4.50.0030.01316.18
7.4.40.0070.01016.63
7.4.30.0120.00916.55
7.4.10.0090.00615.06
7.4.00.0060.00814.85
7.3.330.0080.00013.17
7.3.320.0000.00513.30
7.3.310.0070.00016.32
7.3.300.0050.00316.16
7.3.290.0060.00816.26
7.3.280.0070.00816.34
7.3.270.0090.00917.40
7.3.260.0090.00916.70
7.3.240.0150.00216.40
7.3.230.0120.00616.44
7.3.210.0030.01316.16
7.3.200.0100.00616.39
7.3.190.0110.00716.51
7.3.180.0030.01416.23
7.3.170.0150.00316.58
7.3.160.0040.01116.53
7.3.130.0140.00315.03
7.3.120.0110.00714.82
7.3.110.0000.01614.67
7.3.100.0100.00714.84
7.3.90.0090.00314.52
7.3.80.0060.00314.96
7.3.70.0040.01114.74
7.3.60.0070.00714.78
7.3.50.0060.00914.86
7.3.40.0030.00714.83
7.3.30.0060.00914.86
7.3.20.0030.01216.60
7.3.10.0120.00616.40
7.3.00.0060.00916.64
7.2.330.0060.01216.66
7.2.320.0070.01316.38
7.2.310.0000.01716.50
7.2.300.0060.01116.80
7.2.290.0070.01116.48
7.2.260.0150.00314.95
7.2.250.0070.01015.33
7.2.240.0070.00715.30
7.2.230.0100.00714.91
7.2.220.0030.01014.73
7.2.210.0080.00415.18
7.2.200.0030.00615.06
7.2.190.0060.00614.88
7.2.180.0050.00515.17
7.2.170.0040.00715.05
7.2.160.0070.01014.82
7.2.150.0090.00916.91
7.2.140.0120.00416.59
7.2.130.0000.01516.86
7.2.120.0100.00317.00
7.2.110.0030.01516.94
7.2.100.0000.01216.84
7.2.90.0030.01216.85
7.2.80.0090.00316.64
7.2.70.0000.01316.77
7.2.60.0110.00616.96
7.2.50.0000.01016.96
7.2.40.0060.01016.81
7.2.30.0090.00916.86
7.2.20.0040.00816.96
7.2.10.0090.00616.96
7.2.00.0050.00517.14
7.1.330.0070.00715.66
7.1.320.0030.00615.59
7.1.310.0040.00815.66
7.1.300.0040.00715.85
7.1.290.0070.00715.70
7.1.280.0100.00315.81
7.1.270.0070.00715.74
7.1.260.0040.00815.63
7.1.250.0000.01615.63
7.1.240.0040.00715.96
7.1.230.0060.00615.84
7.1.220.0060.00315.59
7.1.210.0030.00615.50
7.1.200.0110.00315.80
7.1.190.0060.00915.92
7.1.180.0030.01015.77
7.1.170.0000.01015.84
7.1.160.0000.01515.70
7.1.150.0030.00915.87
7.1.140.0000.01315.73
7.1.130.0040.00415.85
7.1.120.0040.01115.57
7.1.110.0100.00315.56
7.1.100.0020.01116.86
7.1.90.0100.00315.45
7.1.80.0070.00715.75
7.1.70.0010.00716.36
7.1.60.0050.01317.43
7.1.50.0070.00816.42
7.1.40.0060.00315.78
7.1.30.0030.01015.46
7.1.20.0090.00615.88
7.1.10.0030.01015.84
7.1.00.0030.04418.96
7.0.330.0040.01215.34
7.0.320.0030.00715.35
7.0.310.0100.00315.54
7.0.300.0040.01115.42
7.0.290.0040.00815.35
7.0.280.0030.00915.26
7.0.270.0100.00315.17
7.0.260.0040.01115.13
7.0.250.0180.00015.53
7.0.240.0100.00715.16
7.0.230.0060.00615.30
7.0.220.0040.01215.34
7.0.210.0040.01115.54
7.0.200.0030.00715.79
7.0.190.0090.00015.61
7.0.180.0030.00715.25
7.0.170.0030.00915.32
7.0.160.0070.00715.49
7.0.150.0040.00715.43
7.0.140.0060.00615.40
7.0.130.0000.01315.45
7.0.120.0040.00815.32
7.0.110.0100.00315.50
7.0.100.0070.00715.36
7.0.90.0030.00715.31
7.0.80.0060.01015.22
7.0.70.0090.00615.33
7.0.60.0100.04217.70
7.0.50.0090.03916.67
7.0.40.0070.02216.80
7.0.30.0180.04016.88
7.0.20.0170.04216.84
7.0.10.0040.03016.84
7.0.00.0050.03216.84
5.6.400.0070.00714.39
5.6.390.0040.00814.70
5.6.380.0060.00614.51
5.6.370.0060.00914.51
5.6.360.0070.00814.21
5.6.350.0060.00914.16
5.6.340.0030.01414.80
5.6.330.0090.00614.34
5.6.320.0030.00914.36
5.6.310.0030.00714.44
5.6.300.0060.00614.62
5.6.290.0080.00314.38
5.6.280.0030.02417.66
5.6.270.0080.00614.27
5.6.260.0040.00714.42
5.6.250.0070.00714.38
5.6.240.0060.00814.53
5.6.230.0060.00914.33
5.6.220.0130.00014.68
5.6.210.0130.04017.53
5.6.200.0110.04016.19
5.6.190.0070.02517.46
5.6.180.0180.03817.42
5.6.170.0130.03717.27
5.6.160.0050.04817.48
5.6.150.0030.03316.35
5.6.140.0030.02616.21
5.6.130.0070.04016.33
5.6.120.0130.02717.54
5.6.110.0080.04317.65
5.6.100.0030.04617.64
5.6.90.0050.03417.71
5.6.80.0090.04017.43
5.6.70.0030.01214.51
5.6.60.0060.01214.23
5.6.50.0070.00714.50
5.6.40.0000.01014.17
5.6.30.0070.00714.26
5.6.20.0000.01814.14
5.6.10.0060.00314.10
5.6.00.0060.00614.16
5.5.380.0000.01614.35
5.5.370.0070.00714.24
5.5.360.0000.01514.56
5.5.350.2020.02817.29
5.5.340.0040.04716.22
5.5.330.0050.04117.22
5.5.320.0010.03117.31
5.5.310.0130.04217.37
5.5.300.0080.02816.12
5.5.290.0020.03716.28
5.5.280.0020.03517.55
5.5.270.0050.04217.56
5.5.260.0090.04317.76
5.5.250.0070.05017.36
5.5.240.0250.03717.30
5.5.230.0090.00614.56
5.5.220.0030.01513.92
5.5.210.0060.00914.10
5.5.200.0080.00014.22
5.5.190.0060.00914.25
5.5.180.0000.01814.39
5.5.170.0000.00914.17
5.5.160.0070.00714.29
5.5.150.0100.00314.08
5.5.140.0090.00614.53
5.5.130.0060.00914.65
5.5.120.0030.00614.24
5.5.110.0030.00814.35
5.5.100.0030.00714.21
5.5.90.0040.01114.25
5.5.80.0030.00614.15
5.5.70.0040.00914.13
5.5.60.0070.00714.40
5.5.50.0070.00714.12
5.5.40.0090.00614.04
5.5.30.0040.00414.32
5.5.20.0030.00514.35
5.5.10.0040.01113.75
5.5.00.0000.01314.24

preferences:
33.77 ms | 401 KiB | 5 Q