3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class bob{ public $myitem; function __contruct(){ $myitem = 25; } //public function GetItem(){ //return $this->$myitem; //} } class john extends bob{ public function GetItem(){ //echo parent::GetItem(); echo parent->$myitem; } } $j = new john(); $j->GetItem();

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)
8.3.70.0110.00716.88
8.3.60.0070.01418.66
8.3.50.0090.01122.05
8.3.40.0100.01018.83
8.3.30.0000.01320.34
8.3.20.0050.00220.38
8.3.10.0040.00422.09
8.3.00.0080.00022.34
8.2.180.0190.00316.75
8.2.170.0110.00722.96
8.2.160.0100.00320.33
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00726.16
8.2.120.0050.00319.42
8.2.110.0040.00422.04
8.2.100.0050.00518.90
8.1.280.0150.00425.92
8.1.270.0040.00424.66
8.1.260.0000.00726.35
8.1.250.0030.00628.09
8.1.240.0050.00518.57
8.1.230.0060.00318.57
5.4.160.0190.04212.38
5.4.150.0140.04712.37
5.4.140.0130.04712.06
5.4.130.0180.04512.04
5.4.120.0180.04112.01
5.4.110.0150.04312.00
5.4.100.0130.04712.00
5.4.90.0160.04312.00
5.4.80.0160.04112.00
5.4.70.0200.03812.00
5.4.60.0170.03812.00
5.4.50.0300.07612.00
5.4.40.0180.04311.99
5.4.30.0150.05011.98
5.4.20.0250.06311.98
5.4.10.0290.07411.98
5.4.00.0140.04511.47
5.3.260.0200.04412.72
5.3.250.0160.04512.71
5.3.240.0270.06512.72
5.3.230.0190.05612.71
5.3.220.0150.04612.68
5.3.210.0150.04712.68
5.3.200.0150.04512.68
5.3.190.0250.06512.68
5.3.180.0170.04212.67
5.3.170.0190.04312.67
5.3.160.0180.04212.67
5.3.150.0180.04312.67
5.3.140.0250.06712.66
5.3.130.0180.04512.65
5.3.120.0220.04212.66
5.3.110.0180.04612.66
5.3.100.0180.05712.12
5.3.90.0130.04612.09
5.3.80.0190.04312.08
5.3.70.0140.04512.08
5.3.60.0150.04612.07
5.3.50.0160.04312.01
5.3.40.0300.07512.01
5.3.30.0150.04311.97
5.3.20.0180.04411.76
5.3.10.0170.05411.72
5.3.00.0140.04411.70

preferences:
38.97 ms | 401 KiB | 5 Q