3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { } class b { public function __get($name) { // Do nothing } } class c extends b { public function __set($name, $value) { parent::__set($name, $value);}} // Works $a = new a; $x = new StdClass(); $a->test =& $x; // Fatal error: Cannot assign by reference to overloaded object on line 21 $b = new c; $y = new StdClass(); $b->test = $y;

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)
8.3.60.0070.00718.68
8.3.50.0140.00722.01
8.3.40.0100.01018.97
8.3.30.0100.00319.27
8.3.20.0000.00820.30
8.3.10.0050.00323.53
8.3.00.0060.00617.38
8.2.180.0150.00318.13
8.2.170.0000.01522.96
8.2.160.0070.00720.35
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0100.00526.16
8.2.120.0000.00822.12
8.2.110.0000.00920.52
8.2.100.0080.00317.91
8.2.90.0080.00019.05
8.2.80.0000.00917.97
8.2.70.0080.00017.63
8.2.60.0080.00317.80
8.2.50.0060.00318.07
8.2.40.0000.00919.69
8.2.30.0040.00418.10
8.2.20.0050.00217.67
8.2.10.0000.00717.88
8.2.00.0040.00417.71
8.1.280.0180.00025.92
8.1.270.0080.00023.82
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0060.00323.96
8.1.230.0080.00319.02
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00617.38
8.1.190.0040.00416.99
8.1.180.0000.00818.10
8.1.170.0030.00518.56
8.1.160.0040.00422.00
8.1.150.0040.00418.81
8.1.140.0040.00417.44
8.1.130.0000.00717.88
8.1.120.0040.00417.42
8.1.110.0070.00017.43
8.1.100.0040.00417.43
8.1.90.0040.00417.42
8.1.80.0000.00717.30
8.1.70.0000.00717.36
8.1.60.0060.00317.61
8.1.50.0030.00517.56
8.1.40.0030.00617.48
8.1.30.0030.00617.68
8.1.20.0040.00417.64
8.1.10.0000.00717.49
8.1.00.0090.00017.59
8.0.300.0050.00218.77
8.0.290.0000.00716.63
8.0.280.0000.00918.35
8.0.270.0070.00017.18
8.0.260.0060.00017.14
8.0.250.0060.00016.93
8.0.240.0030.00316.87
8.0.230.0030.00316.86
8.0.220.0000.00716.91
8.0.210.0040.00416.97
8.0.200.0030.00316.86
8.0.190.0070.00016.86
8.0.180.0000.00716.75
8.0.170.0060.00316.82
8.0.160.0000.00716.94
8.0.150.0000.00716.86
8.0.140.0040.00416.82
8.0.130.0030.00313.31
8.0.120.0000.00816.86
8.0.110.0000.00816.90
8.0.100.0050.00216.73
8.0.90.0040.00416.76
8.0.80.0060.01016.94
8.0.70.0030.00616.78
8.0.60.0000.00716.73
8.0.50.0030.00516.81
8.0.30.0130.00817.15
8.0.20.0090.00917.40
8.0.10.0040.00416.86
8.0.00.0080.00816.58
7.4.330.0050.00015.00
7.4.320.0030.00316.60
7.4.300.0040.00416.37
7.4.290.0040.00416.52
7.4.280.0060.00616.51
7.4.270.0030.00316.48
7.4.260.0040.00416.64
7.4.250.0000.00716.55
7.4.240.0030.00316.61
7.4.230.0000.00816.64
7.4.220.0130.01016.48
7.4.210.0140.00316.69
7.4.200.0050.00216.41
7.4.160.0080.00816.34
7.4.150.0100.00717.40
7.4.140.0120.00517.86
7.4.130.0100.01016.46
7.4.120.0070.01016.44
7.4.110.0060.01216.45
7.4.100.0070.01016.34
7.4.90.0080.01116.45
7.4.80.0070.01719.39
7.4.70.0100.00716.43
7.4.60.0130.00416.44
7.4.50.0000.00516.59
7.4.40.0040.01216.49
7.4.30.0100.00616.75
7.4.00.0070.01115.17
7.3.330.0050.00013.43
7.3.320.0000.00613.37
7.3.310.0070.00016.34
7.3.300.0060.00016.24
7.3.290.0040.01216.29
7.3.280.0030.01316.39
7.3.270.0090.00917.40
7.3.260.0000.01716.35
7.3.240.0100.00716.36
7.3.230.0080.00916.39
7.3.210.0030.01316.50
7.3.200.0150.00319.39
7.3.190.0170.00616.45
7.3.180.0110.00716.57
7.3.170.0080.00816.49
7.3.160.0100.00716.60
7.2.330.0060.01016.68
7.2.320.0120.00916.34
7.2.310.0120.00616.45
7.2.300.0100.00716.70
7.2.290.0060.01016.47
7.2.60.0040.01116.89
7.2.00.0080.00419.24
7.1.200.0080.00315.39
7.1.100.0040.00818.23
7.1.70.0070.00317.09
7.1.60.0030.02219.32
7.1.50.0040.01116.54
7.1.00.0070.07322.33
7.0.200.0070.00316.51
7.0.140.0100.06322.09
7.0.60.0030.07719.94
7.0.50.0100.08017.82
7.0.40.0070.05020.27
7.0.30.0170.05320.11
7.0.20.0200.08320.24
7.0.10.0070.05320.26
7.0.00.0070.03720.23
5.6.280.0070.06321.07
5.6.210.0030.04020.72
5.6.200.0130.06718.19
5.6.190.0000.06720.62
5.6.180.0170.06320.39
5.6.170.0330.04720.47
5.6.160.0130.05020.54
5.6.150.0030.08318.15
5.6.140.0100.08018.15
5.6.130.0100.03318.16
5.6.120.0070.08321.01
5.6.110.0130.07720.98
5.6.100.0170.07720.98
5.6.90.0130.06321.13
5.6.80.0000.04020.47
5.5.350.0130.07020.42
5.5.340.0100.03318.05
5.5.330.0030.07020.29
5.5.320.0500.06720.31
5.5.310.0400.05320.35
5.5.300.0030.05717.98
5.5.290.0100.07717.96
5.5.280.0030.04320.77
5.5.270.0070.04720.97
5.5.260.0070.05320.81
5.5.250.0070.08020.55
5.5.240.0170.02720.26
5.4.450.0830.05019.70
5.4.440.0800.05319.38
5.4.430.0100.05319.45
5.4.420.0630.00019.38
5.4.410.0630.00019.11
5.4.400.0630.00019.10
5.4.390.0630.00019.12
5.4.380.0700.00018.99
5.4.370.0670.00019.02
5.4.360.0730.00019.02
5.4.350.0830.00019.07
5.4.340.0070.03612.02
5.4.320.0060.03712.51
5.4.310.0050.04112.51
5.4.300.0060.03712.51
5.4.290.0070.03712.50
5.4.280.0030.03812.40
5.4.270.0080.03412.40
5.4.260.0050.04612.40
5.4.250.0070.03612.40
5.4.240.0060.04012.39
5.4.230.0060.04312.39
5.4.220.0070.04012.39
5.4.210.0060.03912.39
5.4.200.0070.04012.39
5.4.190.0050.03812.39
5.4.180.0060.04012.38
5.4.170.0070.03612.40
5.4.160.0060.03512.39
5.4.150.0050.03612.39
5.4.140.0060.03612.07
5.4.130.0080.03512.07
5.4.120.0080.03312.02
5.4.110.0070.04412.01
5.4.100.0050.03712.01
5.4.90.0050.03712.02
5.4.80.0040.03812.02
5.4.70.0020.03812.02
5.4.60.0020.03712.01
5.4.50.0050.03612.01
5.4.40.0050.03612.00
5.4.30.0060.04012.00
5.4.20.0070.03312.00
5.4.10.0070.03212.00
5.4.00.0090.03911.49
5.3.290.0040.04012.80
5.3.280.0050.04012.70
5.3.270.0050.04012.72
5.3.260.0070.04512.72
5.3.250.0080.03612.72
5.3.240.0090.03512.71
5.3.230.0070.03712.71
5.3.220.0040.03912.68
5.3.210.0120.04012.68
5.3.200.0110.03512.68
5.3.190.0050.04112.68
5.3.180.0060.03612.67
5.3.170.0060.03912.66
5.3.160.0080.04112.67
5.3.150.0060.03912.68
5.3.140.0080.03612.66
5.3.130.0040.04112.66
5.3.120.0060.03912.66
5.3.110.0060.04512.66
5.3.100.0040.03712.13
5.3.90.0080.03912.11
5.3.80.0080.03812.10
5.3.70.0060.03912.10
5.3.60.0070.03812.08
5.3.50.0050.04012.04
5.3.40.0060.03712.04
5.3.30.0070.03412.00
5.3.20.0080.03311.77
5.3.10.0050.03811.74
5.3.00.0050.03811.73
5.2.170.0050.0309.23
5.2.160.0050.0339.22
5.2.150.0040.0339.23
5.2.140.0050.0339.23
5.2.130.0030.0309.18
5.2.120.0050.0299.18
5.2.110.0060.0289.19
5.2.100.0040.0299.18
5.2.90.0060.0369.19
5.2.80.0100.0319.18
5.2.70.0050.0299.19
5.2.60.0030.0369.14
5.2.50.0050.0299.10
5.2.40.0070.0369.08
5.2.30.0060.0339.06
5.2.20.0040.0299.04
5.2.10.0030.0298.95
5.2.00.0040.0298.82
5.1.60.0030.0258.09
5.1.50.0080.0278.09
5.1.40.0090.0208.08
5.1.30.0040.0298.42
5.1.20.0130.0418.45
5.1.10.0130.0328.17
5.1.00.0090.0358.18
5.0.50.0070.0286.65
5.0.40.0030.0286.50
5.0.30.0030.0456.32
5.0.20.0100.0516.29
5.0.10.0130.0416.26
5.0.00.0070.0516.26
4.4.90.0020.0344.78
4.4.80.0100.0324.75
4.4.70.0030.0204.75
4.4.60.0030.0164.75
4.4.50.0020.0164.77
4.4.40.0050.0344.71
4.4.30.0030.0274.76
4.4.20.0030.0214.85
4.4.10.0040.0194.85
4.4.00.0060.0264.76
4.3.110.0070.0134.67
4.3.100.0030.0174.66
4.3.90.0030.0164.64
4.3.80.0020.0274.58
4.3.70.0020.0154.63
4.3.60.0010.0174.63
4.3.50.0020.0164.63
4.3.40.0020.0254.54
4.3.30.0020.0173.30
4.3.20.0030.0153.28
4.3.10.0040.0153.24
4.3.00.0130.0237.07

preferences:
40.32 ms | 401 KiB | 5 Q