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)
8.3.40.0110.00418.62
8.3.30.0090.00619.13
8.3.20.0040.00420.30
8.3.10.0050.00223.48
8.3.00.0090.00317.48
8.2.170.0170.00322.96
8.2.160.0080.00620.48
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0110.00722.27
8.2.110.0030.00620.52
8.2.100.0120.00018.09
8.2.90.0000.00819.05
8.2.80.0000.00817.97
8.2.70.0000.00817.13
8.2.60.0030.00617.91
8.2.50.0050.00318.07
8.2.40.0030.00619.76
8.2.30.0070.00017.98
8.2.20.0050.00317.75
8.2.10.0040.00418.07
8.2.00.0040.00417.69
8.1.270.0050.00323.77
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00423.86
8.1.230.0070.00419.06
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0000.00817.25
8.1.180.0000.00818.10
8.1.170.0030.00518.53
8.1.160.0000.00721.96
8.1.150.0040.00418.84
8.1.140.0000.00717.45
8.1.130.0030.00317.84
8.1.120.0040.00417.30
8.1.110.0000.00817.30
8.1.100.0040.00417.41
8.1.90.0040.00317.39
8.1.80.0000.00717.45
8.1.70.0030.00517.38
8.1.60.0030.00617.59
8.1.50.0040.00417.45
8.1.40.0030.00517.51
8.1.30.0030.00517.65
8.1.20.0030.00617.49
8.1.10.0070.00017.48
8.1.00.0080.00017.52
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0030.00318.30
8.0.270.0030.00417.19
8.0.260.0000.00617.24
8.0.250.0070.00016.86
8.0.240.0000.00716.90
8.0.230.0070.00016.86
8.0.220.0030.00316.81
8.0.210.0000.00716.77
8.0.200.0030.00316.88
8.0.190.0070.00016.93
8.0.180.0000.00716.82
8.0.170.0040.00416.88
8.0.160.0040.00416.79
8.0.150.0000.00716.85
8.0.140.0030.00616.75
8.0.130.0000.00613.31
8.0.120.0000.00816.86
8.0.110.0000.00816.88
8.0.100.0000.00816.82
8.0.90.0000.00816.93
8.0.80.0080.00816.88
8.0.70.0070.00016.94
8.0.60.0000.00716.90
8.0.50.0000.00716.91
8.0.30.0120.01117.07
8.0.20.0110.01017.40
8.0.10.0030.00616.95
8.0.00.0090.00916.71
7.4.330.0000.00615.00
7.4.320.0060.00016.47
7.4.300.0070.00016.59
7.4.290.0000.00716.52
7.4.280.0060.00316.48
7.4.270.0000.00716.54
7.4.260.0000.01016.63
7.4.250.0000.00716.48
7.4.240.0050.00216.57
7.4.230.0080.00016.40
7.4.220.0060.01216.62
7.4.210.0130.00016.61
7.4.200.0030.00516.60
7.4.160.0130.00316.56
7.4.150.0170.00717.40
7.4.140.0130.00517.86
7.4.130.0110.00616.50
7.4.120.0110.00616.46
7.4.110.0030.01316.53
7.4.100.0030.01316.55
7.4.90.0130.00716.60
7.4.80.0100.00719.39
7.4.70.0100.00716.45
7.4.60.0100.00616.64
7.4.50.0000.00916.35
7.4.40.0070.01716.57
7.4.30.0090.00916.33
7.4.10.0100.01015.16
7.4.00.0070.01015.07
7.3.330.0030.00313.34
7.3.320.0050.00013.33
7.3.310.0030.00316.42
7.3.300.0030.00316.32
7.3.290.0090.00616.39
7.3.280.0100.00816.36
7.3.270.0090.00917.40
7.3.260.0100.00716.42
7.3.250.0140.00716.33
7.3.240.0100.00716.45
7.3.230.0160.00316.52
7.3.210.0090.01116.30
7.3.200.0100.01019.39
7.3.190.0110.01116.47
7.3.180.0100.00716.54
7.3.170.0090.00616.40
7.3.160.0030.01416.66
7.3.130.0150.00315.00
7.3.120.0070.01114.91
7.3.110.0060.00915.03
7.3.100.0070.00714.72
7.3.90.0070.00714.95
7.3.80.0090.00614.62
7.3.70.0030.01214.96
7.3.60.0000.01314.66
7.3.50.0090.00614.65
7.3.40.0040.00414.72
7.3.30.0110.00414.80
7.3.20.0080.00416.76
7.3.10.0000.01716.56
7.3.00.0090.00616.82
7.2.330.0070.01016.44
7.2.320.0120.00916.60
7.2.310.0110.01116.71
7.2.300.0070.01016.73
7.2.290.0120.00916.68
7.2.260.0000.01214.55
7.2.250.0060.01214.88
7.2.240.0040.01115.19
7.2.230.0070.00714.91
7.2.220.0060.00614.68
7.2.210.0060.00914.97
7.2.200.0070.00414.84
7.2.190.0000.01314.96
7.2.180.0030.00615.01
7.2.170.0070.00714.93
7.2.160.0030.01015.04
7.2.150.0070.00416.79
7.2.140.0040.01416.55
7.2.130.0090.00916.88
7.2.120.0000.01116.92
7.2.110.0100.00316.75
7.2.100.0090.00616.84
7.2.90.0060.00616.66
7.2.80.0000.01416.71
7.2.70.0070.01116.57
7.2.60.0060.00816.91
7.2.50.0030.01016.91
7.2.40.0030.00816.93
7.2.30.0060.00816.84
7.2.20.0060.00317.01
7.2.10.0030.01316.73
7.2.00.0090.00317.89
7.1.330.0030.01015.75
7.1.320.0070.01115.79
7.1.310.0130.00015.75
7.1.300.0060.01015.67
7.1.290.0000.00815.49
7.1.280.0070.00715.79
7.1.270.0140.00015.57
7.1.260.0100.00315.76
7.1.250.0040.01115.55
7.1.240.0100.00315.61
7.1.230.0120.00315.73
7.1.220.0080.00415.69
7.1.210.0030.00715.84
7.1.200.0090.00415.64
7.1.190.0030.00615.34
7.1.180.0060.00615.69
7.1.170.0050.00515.55
7.1.160.0100.00315.60
7.1.150.0070.00715.69
7.1.140.0100.00715.73
7.1.130.0030.00615.76
7.1.120.0030.00915.77
7.1.110.0060.00615.50
7.1.100.0070.00716.93
7.1.90.0060.00615.77
7.1.80.0050.00315.46
7.1.70.0020.01016.48
7.1.60.0080.01117.51
7.1.50.0070.00716.23
7.1.40.0060.01015.76
7.1.30.0000.01515.71
7.1.20.0070.01015.68
7.1.10.0030.00915.66
7.1.00.0030.04118.99
7.0.330.0070.00715.21
7.0.320.0030.00615.17
7.0.310.0040.01115.17
7.0.300.0110.00415.22
7.0.290.0000.01215.35
7.0.280.0060.01015.40
7.0.270.0000.00815.27
7.0.260.0110.00314.98
7.0.250.0090.00315.29
7.0.240.0070.00415.34
7.0.230.0080.00315.34
7.0.220.0100.00315.31
7.0.210.0070.00715.02
7.0.200.0060.00416.14
7.0.190.0070.00715.29
7.0.180.0000.00815.43
7.0.170.0030.01015.40
7.0.160.0070.00715.43
7.0.150.0000.01315.45
7.0.140.0070.03818.65
7.0.130.0060.00615.22
7.0.120.0030.01015.42
7.0.110.0030.01015.25
7.0.100.0030.00715.48
7.0.90.0070.00415.20
7.0.80.0030.00715.41
7.0.70.0060.00915.45
7.0.60.0070.03317.58
7.0.50.0060.04616.66
7.0.40.0110.04317.10
7.0.30.0210.03316.98
7.0.20.0220.03217.01
7.0.10.0140.04416.98
7.0.00.0050.03416.98
5.6.400.0090.00914.38
5.6.390.0060.00613.89
5.6.380.0050.00513.99
5.6.370.0070.00314.56
5.6.360.0040.00813.97
5.6.350.0040.00814.01
5.6.340.0030.01014.43
5.6.330.0070.00414.41
5.6.320.0040.01114.48
5.6.310.0060.00914.33
5.6.300.0030.00614.36
5.6.290.0030.00914.25
5.6.280.0030.03917.74
5.6.270.0060.00914.39
5.6.260.0040.00814.30
5.6.250.0030.00514.05
5.6.240.0080.00414.40
5.6.230.0060.00614.05
5.6.220.0070.00314.41
5.6.210.0050.03117.37
5.6.200.0050.03916.25
5.6.190.0060.02117.48
5.6.180.0130.04517.35
5.6.170.0180.04117.51
5.6.160.0100.04217.56
5.6.150.0050.02816.47
5.6.140.0050.02216.18
5.6.130.0050.02516.20
5.6.120.0050.03017.74
5.6.110.0100.04417.71
5.6.100.0070.04617.54
5.6.90.0070.04317.74
5.6.80.0060.04117.36
5.6.70.2120.02717.20
5.6.60.0030.01014.16
5.6.50.0000.01414.38
5.6.40.0030.00914.27
5.6.30.0000.01714.30
5.6.20.0060.00614.33
5.6.10.0090.00014.13
5.6.00.0040.00814.13
5.5.380.0000.00814.14
5.5.370.0100.00314.37
5.5.360.0030.00614.39
5.5.350.0150.04017.19
5.5.340.0040.04616.03
5.5.330.0090.03017.14
5.5.320.0180.02717.20
5.5.310.0150.04317.25
5.5.300.0050.03016.03
5.5.290.0040.03916.13
5.5.280.0080.04517.51
5.5.270.0050.02517.50
5.5.260.0020.02917.46
5.5.250.0120.03917.49
5.5.240.0210.03317.20
5.5.230.0040.00813.89
5.5.220.0030.00614.21
5.5.210.0050.00314.42
5.5.200.0060.00914.29
5.5.190.0070.01014.16
5.5.180.0040.00714.02
5.5.170.0030.01414.23
5.5.160.0070.00714.24
5.5.150.0080.00614.26
5.5.140.0030.00614.20
5.5.130.0060.00914.36
5.5.120.0080.00814.39
5.5.110.0050.00514.49
5.5.100.0070.01013.97
5.5.90.0080.00814.20
5.5.80.0030.00914.06
5.5.70.0070.00714.00
5.5.60.0150.00014.20
5.5.50.0000.01114.28
5.5.40.0030.00614.21
5.5.30.0030.00613.91
5.5.20.0070.00714.16
5.5.10.0070.00314.19
5.5.00.0030.00713.89
5.4.450.0410.03316.80
5.4.440.0440.03216.69
5.4.430.0350.03516.63
5.4.420.0370.00216.78
5.4.410.0330.00516.58
5.4.400.0320.00416.62
5.4.390.0420.00716.48
5.4.380.0380.00516.44
5.4.370.0430.00316.49
5.4.360.0330.00016.47
5.4.350.0360.00316.50
5.4.340.0020.02412.96
5.4.330.0060.00013.89
5.4.320.0070.02113.20
5.4.310.0050.02113.20
5.4.300.0050.01813.20
5.4.290.0060.02213.20
5.4.280.0050.02013.14
5.4.270.0060.02113.15
5.4.260.0060.02213.15
5.4.250.0070.01813.15
5.4.240.0050.02213.14
5.4.230.0060.02213.14
5.4.220.0020.02313.14
5.4.210.0020.02413.14
5.4.200.0070.02213.14
5.4.190.0050.02413.14
5.4.180.0020.02713.14
5.4.170.0070.02013.15
5.4.160.0080.01713.14
5.4.150.0040.02213.14
5.4.140.0050.02112.98
5.4.130.0070.02212.98
5.4.120.0030.02312.96
5.4.110.0060.02012.96
5.4.100.0060.02012.96
5.4.90.0050.02412.95
5.4.80.0040.02212.95
5.4.70.0050.02412.95
5.4.60.0060.02012.95
5.4.50.0040.02212.95
5.4.40.0060.02112.95
5.4.30.0040.02012.95
5.4.20.0050.02012.95
5.4.10.0070.01812.95
5.4.00.0050.02112.69
5.3.290.0060.04012.80
5.3.280.0090.03412.71
5.3.270.0090.03412.72
5.3.260.0070.04112.72
5.3.250.0080.03412.72
5.3.240.0090.03412.72
5.3.230.0080.03612.71
5.3.220.0090.03312.68
5.3.210.0060.03812.68
5.3.200.0050.03612.68
5.3.190.0040.03812.68
5.3.180.0060.03812.67
5.3.170.0100.03512.67
5.3.160.0050.03912.68
5.3.150.0060.04012.68
5.3.140.0050.04412.66
5.3.130.0040.04012.65
5.3.120.0060.03812.66
5.3.110.0060.04012.66
5.3.100.0040.04412.12
5.3.90.0050.04412.11
5.3.80.0070.03612.10
5.3.70.0020.04012.10
5.3.60.0080.03312.09
5.3.50.0070.03512.04
5.3.40.0040.03712.03
5.3.30.0080.03212.00
5.3.20.0060.03811.77
5.3.10.0060.03311.73
5.3.00.0060.03511.72
5.2.170.0050.0289.23
5.2.160.0050.0289.23
5.2.150.0070.0309.23
5.2.140.0060.0299.22
5.2.130.0040.0349.18
5.2.120.0050.0359.18
5.2.110.0050.0339.20
5.2.100.0050.0309.18
5.2.90.0030.0309.19
5.2.80.0040.0309.18
5.2.70.0020.0329.19
5.2.60.0040.0339.13
5.2.50.0040.0319.10
5.2.40.0040.0309.08
5.2.30.0080.0339.06
5.2.20.0040.0359.04
5.2.10.0050.0308.95
5.2.00.0080.0348.82
5.1.60.0030.0248.09
5.1.50.0020.0268.09
5.1.40.0050.0328.08
5.1.30.0030.0268.43
5.1.20.0070.0258.45
5.1.10.0040.0258.17
5.1.00.0010.0288.17
5.0.50.0010.0226.65
5.0.40.0040.0256.50
5.0.30.0050.0286.32
5.0.20.0030.0196.29
5.0.10.0050.0186.27
5.0.00.0030.0336.25
4.4.90.0050.0134.77
4.4.80.0050.0134.76
4.4.70.0010.0164.76
4.4.60.0040.0204.75
4.4.50.0030.0154.77
4.4.40.0060.0224.71
4.4.30.0020.0164.76
4.4.20.0020.0164.84
4.4.10.0030.0154.85
4.4.00.0020.0254.76
4.3.110.0010.0174.67
4.3.100.0020.0154.66
4.3.90.0030.0134.63
4.3.80.0030.0234.58
4.3.70.0040.0144.63
4.3.60.0030.0154.63
4.3.50.0030.0154.63
4.3.40.0030.0254.54
4.3.30.0040.0133.30
4.3.20.0030.0153.28
4.3.10.0030.0143.23
4.3.00.0130.0207.07

preferences:
48.86 ms | 400 KiB | 5 Q