3v4l.org

run code in 500+ PHP versions simultaneously
<?php class HiddenClass { private $a = 'valueA'; // how to get it's value ? } $arr = (array) new HiddenClass(); $nodes = $arr[chr(0) . 'HiddenClass' . chr(0) . 'a']; print_r($nodes); ?>

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)
8.5.30.0120.00717.48
8.5.20.0070.00119.49
8.5.10.0120.00616.77
8.5.00.0030.00621.75
8.4.180.0110.00319.71
8.4.170.0140.00821.73
8.4.160.0120.00923.95
8.4.150.0070.00616.79
8.4.140.0110.01017.48
8.4.130.0160.00518.00
8.4.120.0090.01120.53
8.4.110.0110.00822.52
8.4.100.0110.01018.45
8.4.90.0050.00518.46
8.4.80.0050.00317.75
8.4.70.0120.00918.05
8.4.60.0090.00618.87
8.4.50.0100.01018.65
8.4.40.0040.00417.55
8.4.30.0160.00320.42
8.4.20.0100.01019.54
8.4.10.0030.00619.57
8.3.300.0130.00820.02
8.3.290.0110.00820.81
8.3.280.0130.00718.36
8.3.270.0130.00716.64
8.3.260.0100.00916.50
8.3.250.0140.00418.57
8.3.240.0110.00816.70
8.3.230.0060.01016.56
8.3.220.0110.00717.06
8.3.210.0150.00516.53
8.3.200.0060.00316.70
8.3.190.0050.00517.24
8.3.180.0130.00616.34
8.3.170.0000.00819.11
8.3.160.0070.01117.05
8.3.150.0070.01119.07
8.3.140.0070.00716.39
8.3.130.0090.00018.52
8.3.120.0090.00020.74
8.3.110.0130.00720.94
8.3.100.0000.01124.06
8.3.90.0080.00026.77
8.3.80.0060.00316.63
8.3.70.0140.00016.58
8.3.60.0090.00616.38
8.3.50.0130.00418.04
8.3.40.0080.00820.46
8.3.30.0040.01218.67
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0070.00026.16
8.2.300.0110.01022.15
8.2.290.0110.00820.36
8.2.280.0100.00820.24
8.2.270.0180.00018.81
8.2.260.0150.00416.38
8.2.250.0040.00416.66
8.2.240.0000.00816.54
8.2.230.0030.00622.58
8.2.220.0120.00437.54
8.2.210.0100.00326.77
8.2.200.0090.00016.75
8.2.190.0220.00016.63
8.2.180.0040.01525.92
8.2.170.0070.00722.96
8.2.160.0030.01022.96
8.2.150.0070.00025.66
8.2.140.0050.00324.66
8.2.130.0050.00226.16
8.2.120.0040.00426.16
8.2.110.0000.00920.39
8.2.100.0100.00019.14
8.1.340.0090.01121.69
8.1.330.0050.00422.03
8.1.320.0150.00416.04
8.1.310.0080.00618.57
8.1.300.0030.00616.56
8.1.290.0050.00518.88
8.1.280.0040.01225.92
8.1.270.0070.00024.02
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0000.01018.66
8.1.230.0060.00321.92
8.0.100.0020.00616.88

preferences:
43.49 ms | 845 KiB | 5 Q