3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Magic { private $vars; public function __get($name) { return $this->get($name); } public function __set($name, $value) { $this->set($name, $value); } public function get($name) { return $this->vars[$name](); } public function set($name, $value) { $this->vars[$name] = $value; } } $magic = new Magic(); $magic->a = function () use(&$magic) { var_dump('func a'); return $magic->b; }; $magic->b = function () use (&$magic) { var_dump('func b'); return $magic->a; // Почему тут не может найти свойство, оно ЕСТЬ смотри строку 22 (Notice) }; $magic->a; // Должна быть бесконечный вызов функций (на уровне вложенности 10 по умолчанию должна быть ошибка) // А вот тут тоже самое но без использования магии и ведет себя как надо(Fatal Error) $magic->set('a', function () use($magic) { $magic->get('b'); }); $magic->set('b', function () use($magic) { $magic->get('a'); }); $magic->get('a');

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)
8.3.70.0640.02672.99
8.3.60.0530.02073.99
8.3.50.0330.04674.83
8.3.40.0390.01644.98
8.3.30.0280.01645.17
8.3.20.0210.00346.25
8.3.10.0110.00747.39
8.3.00.0040.01546.29
8.2.190.0600.01773.28
8.2.180.0600.01772.50
8.2.170.0350.01044.95
8.2.160.0340.01046.36
8.2.150.0110.01445.18
8.2.140.0070.01446.82
8.2.130.0060.01549.80
8.2.120.0030.01247.51
8.2.110.0130.00948.87
8.2.100.0220.01243.88
8.2.90.0070.01545.22
8.2.80.0150.00843.75
8.2.70.0070.01743.63
8.2.60.0030.01944.05
8.2.50.0160.00743.63
8.2.40.0030.01744.20
8.2.30.0130.01043.95
8.2.20.0100.01343.71
8.2.10.0220.00043.94
8.2.00.0180.00343.52
8.1.280.0430.02674.15
8.1.270.0150.00647.56
8.1.260.0220.00445.04
8.1.250.0160.00749.25
8.1.240.0170.01050.04
8.1.230.0240.01045.17
8.1.220.0070.01543.54
8.1.210.0070.01543.53
8.1.200.0170.00743.47
8.1.190.0100.01343.48
8.1.180.0090.01343.78
8.1.170.0130.01644.91
8.1.160.0090.01347.93
8.1.150.0230.00344.89
8.1.140.0130.00943.50
8.1.130.0060.01643.85
8.1.120.0140.00743.59
8.1.110.0140.00743.52
8.1.100.0100.01043.49
8.1.90.0110.01143.53
8.1.80.0070.01443.59
8.1.70.0100.01043.50
8.1.60.0070.02043.62
8.1.50.0130.01343.54
8.1.40.0130.01343.60
8.1.30.0200.00743.55
8.1.20.0120.01543.70
8.1.10.0290.01673.14
8.1.00.0240.02173.14
8.0.300.0240.01472.91
8.0.290.0290.01072.50
8.0.280.0130.02374.03
8.0.270.0170.02072.85
8.0.260.0230.01372.78
8.0.250.0140.02072.48
8.0.240.0100.02472.59
8.0.230.0230.01372.53
8.0.220.0190.01672.54
8.0.210.0170.01772.54
8.0.200.0210.01472.47
8.0.190.0260.01972.54
8.0.180.0300.03072.51
8.0.170.0200.02672.53
8.0.160.0200.02672.50
8.0.150.0190.02572.40
8.0.140.0130.03072.45
8.0.130.0570.040121.85
8.0.120.0270.02072.50
8.0.110.0190.02672.50
8.0.100.0230.02072.57
8.0.90.0190.02672.53
8.0.80.0470.04072.46
8.0.70.0170.03072.47
8.0.60.0210.02172.55
8.0.50.0130.03272.52
8.0.30.0570.04072.67
8.0.20.0710.03772.60
8.0.10.0230.02372.58
8.0.00.0670.03072.37
7.4.330.0160.01372.20
7.4.320.0100.02472.03
7.4.300.0220.01472.15
7.4.290.0200.02372.09
7.4.280.0190.02672.11
7.4.270.0190.02372.12
7.4.260.0280.02172.11
7.4.250.0180.02871.98
7.4.240.0150.02872.06
7.4.230.0250.01972.16
7.4.220.0590.04672.15
7.4.210.0300.05372.13
7.4.200.0170.02772.01
7.4.160.0330.04972.12
7.4.150.0520.04572.17
7.4.140.0650.03772.09
7.4.130.0550.06172.23
7.4.120.0620.04972.06
7.4.110.0590.06272.18
7.4.100.0640.03671.95
7.4.90.0570.03871.91
7.4.80.0410.05672.02
7.4.70.0480.04772.25
7.4.60.0430.05272.09
7.4.50.0160.01372.14
7.4.40.0470.05071.99
7.4.30.0510.04772.23
7.4.00.0170.04470.67
7.3.330.0410.051121.84
7.3.320.0520.041121.48
7.3.310.0260.01671.80
7.3.300.0130.02771.94
7.3.290.0840.04571.95
7.3.280.0560.04471.85
7.3.270.0560.04072.27
7.3.260.0720.03972.30
7.3.240.0560.04372.03
7.3.230.0570.05072.11
7.3.210.0500.04072.02
7.3.200.0510.04572.08
7.3.190.0700.02672.09
7.3.180.0460.04972.05
7.3.170.0440.05471.88
7.3.160.0590.03672.02
7.2.330.0540.04872.36
7.2.320.0660.05672.19
7.2.310.0660.03672.06
7.2.300.0520.04872.00
7.2.290.0410.06872.22
7.2.60.1130.02878.48
7.2.00.0610.02580.59
7.1.200.1720.03377.51
7.1.100.0160.02279.92
7.1.70.0760.02879.22
7.1.60.0230.03979.18
7.1.50.0140.05878.75
7.1.00.0070.10384.27
7.0.200.4450.02777.06
7.0.140.0070.10084.08
7.0.60.0270.04775.63
7.0.50.0130.05773.50
7.0.40.0070.05720.26
7.0.30.0270.05020.18
7.0.20.0500.08320.06
7.0.10.0230.10020.30
7.0.00.0100.05020.24
5.6.280.0230.10385.79
5.6.210.0300.11785.22
5.6.200.0370.06082.85
5.6.190.0330.04785.11
5.6.180.0300.06385.17
5.6.170.0330.07385.14
5.6.160.0130.07085.03
5.6.150.0200.07082.87
5.6.140.0330.07082.70
5.6.130.0130.06782.80
5.6.120.0300.12385.73
5.6.110.0230.06085.83
5.6.100.0270.10385.75
5.6.90.0400.10385.70
5.6.80.0370.08785.09
5.6.70.4200.07385.20
5.5.350.0230.12085.02
5.5.340.0500.10082.67
5.5.330.0370.05084.87
5.5.320.0270.13084.84
5.5.310.0330.06384.80
5.5.300.0170.07782.64
5.5.290.0370.10782.68
5.5.280.0100.07385.38
5.5.270.0230.08085.45
5.5.260.0430.08085.51
5.5.250.0270.11785.50
5.5.240.0600.09084.76
5.4.450.0600.09784.08
5.4.440.0430.10784.10
5.4.430.0670.08784.22
5.4.420.0870.13084.11
5.4.410.0770.11083.73
5.4.400.0700.08083.86
5.4.390.0600.08383.80
5.4.380.0570.08783.71
5.4.370.0430.10383.68
5.4.360.0770.14783.69
5.4.350.0250.06276.83
5.4.340.0280.06676.82
5.4.320.0330.07377.32
5.4.310.0220.07777.31
5.4.300.0280.05777.32
5.4.290.0290.07177.31
5.4.280.0330.05777.21
5.4.270.0210.07177.21
5.4.260.0360.09077.21
5.4.250.0420.09777.21
5.4.240.0440.09177.21
5.4.230.0410.09577.20
5.4.220.0320.10077.20
5.4.210.0380.09577.20
5.4.200.0290.08877.20
5.4.190.0230.07077.20
5.4.180.0290.07477.19
5.4.170.0350.06977.21
5.4.160.0270.07977.20
5.4.150.0210.06777.20
5.4.140.0250.07376.88
5.4.130.0270.08576.87
5.4.120.0280.07676.83
5.4.110.0310.06476.82
5.4.100.0350.06576.82
5.4.90.0290.06776.82
5.4.80.0290.07876.82
5.4.70.0370.10876.82
5.4.60.0290.08276.82
5.4.50.0490.09076.82
5.4.40.0320.09776.80
5.4.30.0250.10076.80
5.4.20.0360.09776.80
5.4.10.0360.07576.80
5.4.00.0310.08876.30
5.3.290.0320.09776.66
5.3.280.0540.11976.59
5.3.270.0330.10176.60
5.3.260.0290.09776.59
5.3.250.0380.09276.59
5.3.240.0300.09976.59
5.3.230.0320.06876.59
5.3.220.0320.10076.56
5.3.210.0320.06776.56
5.3.200.0280.07376.55
5.3.190.0490.11676.56
5.3.180.0350.09176.55
5.3.170.0260.08776.56
5.3.160.0260.07976.55
5.3.150.0260.10476.55
5.3.140.0220.07976.55
5.3.130.0410.10576.54
5.3.120.0300.06576.54
5.3.110.0380.10276.54
5.3.100.0240.08776.03
5.3.90.0400.10076.01
5.3.80.0270.06976.00
5.3.70.0320.07976.00
5.3.60.0200.09575.98
5.3.50.0330.07475.93
5.3.40.0310.08075.93
5.3.30.0340.08175.89
5.3.20.0320.07375.68
5.3.10.0310.07475.63
5.3.00.0320.07775.62
5.2.170.0090.0329.23
5.2.160.0090.0419.23
5.2.150.0080.0329.23
5.2.140.0050.0329.23
5.2.130.0040.0309.18
5.2.120.0070.0329.19
5.2.110.0060.0339.19
5.2.100.0050.0319.19
5.2.90.0090.0369.19
5.2.80.0060.0409.19
5.2.70.0060.0349.19
5.2.60.0050.0349.14
5.2.50.0020.0359.11
5.2.40.0040.0349.09
5.2.30.0120.0419.06
5.2.20.0090.0309.05
5.2.10.0090.0338.96
5.2.00.0090.0338.82
5.1.60.0090.0308.10
5.1.50.0050.0328.10
5.1.40.0070.0448.08
5.1.30.0080.0338.43
5.1.20.0030.0318.45
5.1.10.0080.0268.18
5.1.00.0060.0338.18
5.0.50.0040.0226.65
5.0.40.0040.0266.51
5.0.30.0130.0496.32
5.0.20.0040.0256.30
5.0.10.0080.0236.27
5.0.00.0060.0316.27
4.4.90.0070.0134.78
4.4.80.0040.0174.75
4.4.70.0050.0184.75
4.4.60.0070.0164.76
4.4.50.0090.0214.77
4.4.40.0030.0334.71
4.4.30.0020.0194.76
4.4.20.0060.0164.84
4.4.10.0040.0164.85
4.4.00.0090.0204.75
4.3.110.0030.0194.67
4.3.100.0030.0214.67
4.3.90.0080.0164.63
4.3.80.0040.0244.59
4.3.70.0020.0164.63
4.3.60.0030.0154.63
4.3.50.0040.0164.63
4.3.40.0020.0264.53
4.3.30.0020.0173.30
4.3.20.0010.0183.28
4.3.10.0020.0213.23
4.3.00.0070.0177.71

preferences:
52.46 ms | 401 KiB | 5 Q