3v4l.org

run code in 300+ PHP versions simultaneously
<?phpclass Foo{ private $var; public function buggy() { $bar = new Bar; $bar->prop = & $this->var; $bar->run(); var_dump($this->var); }}class Bar{ public $prop = 'init'; public function run() { $this->prop .= 'xxx'; }}(new Foo)->buggy();

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)
8.3.60.0070.01418.17
8.3.50.0240.01022.06
8.3.40.0120.00318.79
8.3.30.0120.00619.09
8.3.20.0080.00020.20
8.3.10.0080.00020.48
8.3.00.0050.00317.50
8.2.180.0150.00325.92
8.2.170.0060.00822.96
8.2.160.0100.00320.39
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00022.20
8.2.110.0060.00322.13
8.2.100.0040.00717.78
8.2.90.0000.00719.08
8.2.80.0080.00017.97
8.2.70.0000.00817.38
8.2.60.0080.00317.93
8.2.50.0000.00918.07
8.2.40.0080.00018.03
8.2.30.0070.00019.25
8.2.20.0050.00217.49
8.2.10.0070.00317.96
8.2.00.0050.00217.47
8.1.280.0140.00725.92
8.1.270.0040.00422.24
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.79
8.1.230.0040.00819.17
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0000.00917.10
8.1.190.0000.00817.10
8.1.180.0000.00718.10
8.1.170.0080.00018.46
8.1.160.0070.00021.85
8.1.150.0050.00318.63
8.1.140.0070.00017.32
8.1.130.0030.00317.86
8.1.120.0040.00417.22
8.1.110.0000.00717.23
8.1.100.0040.00417.21
8.1.90.0040.00417.38
8.1.80.0000.00717.31
8.1.70.0040.00417.21
8.1.60.0090.00017.42
8.1.50.0040.00417.40
8.1.40.0000.00817.43
8.1.30.0000.00817.55
8.1.20.0050.00217.38
8.1.10.0040.00417.48
8.1.00.0040.00417.40
8.0.300.0000.00718.77
8.0.290.0050.00216.62
8.0.280.0030.00318.36
8.0.270.0050.00217.23
8.0.260.0030.00318.37
8.0.250.0070.00016.71
8.0.240.0000.00716.79
8.0.230.0040.00416.79
8.0.220.0030.00316.77
8.0.210.0000.00816.77
8.0.200.0070.00016.73
8.0.190.0030.00316.83
8.0.180.0030.00316.83
8.0.170.0040.00416.84
8.0.160.0030.00416.73
8.0.150.0030.00416.63
8.0.140.0030.00316.62
8.0.130.0050.00013.43
8.0.120.0000.00816.73
8.0.110.0040.00416.79
8.0.100.0070.00016.56
8.0.90.0050.00216.64
8.0.80.0070.00716.68
8.0.70.0070.00016.59
8.0.60.0070.00016.71
8.0.50.0030.00316.64
8.0.30.0080.01216.82
8.0.20.0110.01017.40
8.0.10.0030.00316.68
8.0.00.0070.01616.63
7.4.330.0000.00515.00
7.4.320.0060.00016.45
7.4.300.0060.00016.29
7.4.290.0040.00416.42
7.4.280.0000.00716.49
7.4.270.0040.00416.33
7.4.260.0070.00016.37
7.4.250.0030.00516.33
7.4.240.0000.00716.30
7.4.230.0070.00016.26
7.4.220.0100.00716.41
7.4.210.0070.01116.57
7.4.200.0000.00916.33
7.4.160.0120.00316.41
7.4.150.0140.01117.40
7.4.140.0130.00717.86
7.4.130.0080.00816.33
7.4.120.0130.00416.45
7.4.110.0120.00616.41
7.4.100.0110.00716.45
7.4.90.0090.00916.56
7.4.80.0030.01319.04
7.4.70.0090.00716.31
7.4.60.0130.00316.42
7.4.50.0030.00516.51
7.4.40.0140.00316.34
7.4.30.0070.01316.38
7.3.330.0000.00613.11
7.3.320.0000.00613.01
7.3.310.0040.00416.23
7.3.300.0000.00616.03
7.3.290.0060.00816.17
7.3.280.0080.01116.13
7.3.270.0160.00717.40
7.3.260.0060.01016.29
7.3.250.0060.01216.13
7.3.240.0070.01116.17
7.3.230.0130.00316.39
7.3.210.0100.00616.22
7.3.200.0060.00919.39
7.3.190.0110.00416.47
7.3.180.0160.00016.23
7.3.170.0100.00616.39
7.3.160.0130.00316.23
7.2.330.0170.00016.37
7.2.320.0170.00016.57
7.2.310.0140.00316.54
7.2.300.0090.00616.58
7.2.290.0070.01016.60
5.4.320.0090.04012.45
5.4.310.0040.04412.45
5.4.300.0030.03912.45
5.4.290.0070.03612.45
5.4.280.0080.03912.34
5.4.270.0040.03812.34
5.4.260.0040.03912.34
5.4.250.0070.04212.35
5.4.240.0070.03412.34
5.4.230.0050.03812.34
5.4.220.0080.03712.34
5.4.210.0040.04012.34
5.4.200.0060.03712.34
5.4.190.0050.03612.33
5.4.180.0070.04212.33
5.4.170.0050.03612.34
5.4.160.0050.03512.34
5.4.150.0070.03412.34
5.4.140.0040.04112.02
5.4.130.0060.03812.01
5.4.120.0080.03311.96
5.4.110.0020.04011.96
5.4.100.0070.04211.96
5.4.90.0080.04611.96
5.4.80.0040.04411.96
5.4.70.0060.03711.96
5.4.60.0060.03811.96
5.4.50.0060.03611.96
5.4.40.0090.03711.95
5.4.30.0060.03411.95
5.4.20.0090.03911.95
5.4.10.0020.04211.95
5.4.00.0050.03411.43

preferences:
37.37 ms | 401 KiB | 5 Q