3v4l.org

run code in 300+ PHP versions simultaneously
<?php $global_obj = null; class my_class { var $value; function my_class() { global $global_obj; $global_obj = &$this; } } $a = new my_class; $a->my_value = 5; $global_obj->my_value = 10; var_dump($a->my_value);

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)
8.3.60.0090.00918.43
8.3.50.0150.00321.19
8.3.40.0140.00418.73
8.3.30.0100.01019.17
8.3.20.0040.00420.29
8.3.10.0030.00520.52
8.3.00.0040.00419.51
8.2.180.0160.00618.41
8.2.170.0070.00722.96
8.2.160.0070.00720.32
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0120.00321.99
8.2.110.0090.00022.20
8.2.100.0110.00021.19
8.2.90.0050.00317.63
8.2.80.0030.00618.73
8.2.70.0030.00517.80
8.2.60.0040.00417.50
8.2.50.0060.00317.55
8.2.40.0060.00317.63
8.2.30.0000.00817.92
8.2.20.0050.00217.64
8.2.10.0000.00718.05
8.2.00.0000.00717.73
8.1.280.0100.00725.92
8.1.270.0040.00422.18
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00023.82
8.1.230.0080.00418.97
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0040.00417.22
8.1.180.0080.00018.10
8.1.170.0030.00618.84
8.1.160.0040.00422.00
8.1.150.0040.00418.82
8.1.140.0040.00417.31
8.1.130.0050.00317.83
8.1.120.0070.00017.28
8.1.110.0070.00017.39
8.1.100.0000.00717.34
8.1.90.0000.00917.30
8.1.80.0000.00717.28
8.1.70.0050.00217.34
8.1.60.0040.00417.48
8.1.50.0040.00417.54
8.1.40.0030.00617.44
8.1.30.0000.00817.59
8.1.20.0000.00817.64
8.1.10.0050.00217.44
8.1.00.0020.00517.46
8.0.300.0060.00318.77
8.0.290.0000.00816.75
8.0.280.0000.00718.37
8.0.270.0000.00717.24
8.0.260.0000.00718.40
8.0.250.0000.00716.94
8.0.240.0000.00616.93
8.0.230.0060.00316.96
8.0.220.0000.00816.77
8.0.210.0020.00516.89
8.0.200.0020.00516.83
8.0.190.0040.00416.93
8.0.180.0070.00016.82
8.0.170.0040.00416.84
8.0.160.0040.00316.94
8.0.150.0080.00016.81
8.0.140.0050.00216.80
8.0.130.0040.00413.25
8.0.120.0030.00516.79
8.0.110.0040.00416.90
8.0.100.0040.00416.88
8.0.90.0080.00016.91
8.0.80.0060.00916.81
8.0.70.0020.00516.89
8.0.60.0000.00816.76
8.0.50.0040.00416.84
8.0.30.0080.01416.91
8.0.20.0080.00917.40
8.0.10.0000.00816.99
8.0.00.0150.00316.70
7.4.330.0000.00615.00
7.4.320.0000.00616.34
7.4.300.0030.00316.51
7.4.290.0030.00316.57
7.4.280.0040.00416.52
7.4.270.0000.00716.52
7.4.260.0030.00516.57
7.4.250.0070.00016.51
7.4.240.0000.00716.64
7.4.230.0030.00316.43
7.4.220.0130.01316.71
7.4.210.0130.00316.58
7.4.200.0000.00716.57
7.4.160.0100.00616.58
7.4.150.0060.01217.40
7.4.140.0090.01117.86
7.4.130.0120.00516.48
7.4.120.0060.01016.53
7.4.110.0030.01416.56
7.4.100.0070.01016.48
7.4.90.0060.01216.39
7.4.80.0100.01319.39
7.4.70.0040.01416.48
7.4.60.0030.01416.45
7.4.50.0000.00416.49
7.4.40.0130.00316.42
7.4.30.0110.00716.58
7.4.00.0070.00714.65
7.3.330.0000.00613.34
7.3.320.0000.00513.23
7.3.310.0030.00316.40
7.3.300.0070.00016.36
7.3.290.0090.00616.29
7.3.280.0070.00916.37
7.3.270.0110.00717.40
7.3.260.0170.00716.18
7.3.250.0110.00816.55
7.3.240.0060.01816.20
7.3.230.0060.01316.39
7.3.210.0130.00416.42
7.3.200.0120.00619.39
7.3.190.0090.01016.54
7.3.180.0100.01016.41
7.3.170.0160.00716.41
7.3.160.0090.00916.43
7.2.330.0060.01116.73
7.2.320.0090.01216.82
7.2.310.0110.00516.70
7.2.300.0030.01416.38
7.2.290.0100.01016.61
7.2.80.0050.01016.37
7.2.60.0090.00916.71
7.1.200.0090.00315.69
7.1.100.0040.00818.13
7.1.70.0030.01317.17
7.1.60.0100.01319.32
7.1.50.0040.00817.02
7.1.00.0100.06722.30
7.0.200.0050.00316.79
7.0.140.0100.06722.07
7.0.60.0100.07319.99
7.0.50.0130.07317.85
7.0.40.0070.08020.23
7.0.30.0230.07720.08
7.0.20.0300.03720.09
7.0.10.0100.08720.07
7.0.00.0070.04020.36
5.6.280.0030.07320.86
5.6.210.0100.05720.73
5.6.200.0030.05718.25
5.6.190.0100.08020.46
5.6.180.0430.07320.67
5.6.170.0200.07720.47
5.6.160.0030.04020.70
5.6.150.0030.08718.18
5.6.140.0070.08018.14
5.6.130.0100.06318.16
5.6.120.0030.04320.80
5.6.110.0030.08721.12
5.6.100.0030.05721.00
5.6.90.0170.07720.95
5.6.80.0100.07720.38
5.5.350.0130.08020.44
5.5.340.0070.08017.98
5.5.330.0130.08020.19
5.5.320.0470.05720.20
5.5.310.0270.05320.27
5.5.300.0070.03317.98
5.5.290.0130.07318.00
5.5.280.0030.06320.76
5.5.270.0170.04020.75
5.5.260.0070.05720.76
5.5.250.0030.04320.78
5.5.240.0170.07320.16
5.4.450.0300.05019.49
5.4.440.0330.04719.30
5.4.430.0170.04719.13
5.4.420.0630.00019.56
5.4.410.0630.00019.14
5.4.400.0670.00019.17
5.4.390.0630.00019.16
5.4.380.0870.00019.12
5.4.370.0600.00019.21
5.4.360.0600.00018.98
5.4.350.0630.00019.07
5.4.340.0600.00019.09
5.4.320.0070.03912.50
5.4.310.0100.03812.49
5.4.300.0080.03612.50
5.4.290.0080.03812.50
5.4.280.0060.03612.40
5.4.270.0050.03712.39
5.4.260.0090.03512.39
5.4.250.0050.04012.40
5.4.240.0050.03812.39
5.4.230.0050.03812.39
5.4.220.0070.03512.38
5.4.210.0060.03512.38
5.4.200.0050.04512.39
5.4.190.0080.03512.38
5.4.180.0130.04312.38
5.4.170.0090.04812.39
5.4.160.0060.03612.39
5.4.150.0140.03512.39
5.4.140.0050.04312.07
5.4.130.0140.04512.05
5.4.120.0120.03712.02
5.4.110.0050.03912.01
5.4.100.0070.03712.02
5.4.90.0070.03612.01
5.4.80.0080.04612.01
5.4.70.0050.03712.01
5.4.60.0120.03512.01
5.4.50.0100.03812.00
5.4.40.0060.03512.00
5.4.30.0070.03611.99
5.4.20.0040.03712.00
5.4.10.0050.03712.00
5.4.00.0050.04111.48
5.3.290.0060.03912.80
5.3.280.0110.03612.71
5.3.270.0110.04612.72
5.3.260.0030.04212.72
5.3.250.0070.03812.72
5.3.240.0090.04212.72
5.3.230.0070.04312.71
5.3.220.0080.04612.68
5.3.210.0120.04112.68
5.3.200.0110.04712.68
5.3.190.0060.05312.68
5.3.180.0080.03512.67
5.3.170.0100.03612.67
5.3.160.0160.04112.68
5.3.150.0040.03912.67
5.3.140.0050.04412.66
5.3.130.0050.04112.66
5.3.120.0080.04612.66
5.3.110.0080.04312.66
5.3.100.0090.04012.11
5.3.90.0110.03312.10
5.3.80.0070.03912.09
5.3.70.0080.03912.09
5.3.60.0180.04612.07
5.3.50.0080.03712.02
5.3.40.0100.04312.02
5.3.30.0070.03511.98
5.3.20.0110.03311.77
5.3.10.0100.04211.73
5.3.00.0100.03311.71
5.2.170.0060.0319.22
5.2.160.0030.0319.22
5.2.150.0080.0369.22
5.2.140.0060.0379.22
5.2.130.0070.0299.18
5.2.120.0090.0319.17
5.2.110.0090.0289.19
5.2.100.0070.0289.18
5.2.90.0060.0379.18
5.2.80.0050.0319.17
5.2.70.0050.0329.18
5.2.60.0050.0349.12
5.2.50.0070.0309.09
5.2.40.0060.0309.08
5.2.30.0050.0319.05
5.2.20.0050.0309.03
5.2.10.0050.0308.94
5.2.00.0040.0318.81
5.1.60.0040.0258.09
5.1.50.0050.0268.08
5.1.40.0020.0278.07
5.1.30.0050.0328.41
5.1.20.0090.0308.44
5.1.10.0140.0398.16
5.1.00.0040.0428.16
5.0.50.0060.0276.64
5.0.40.0100.0346.50
5.0.30.0070.0526.32
5.0.20.0100.0306.28
5.0.10.0080.0286.25
5.0.00.0020.0416.24
4.4.90.0030.0224.77
4.4.80.0070.0144.75
4.4.70.0020.0174.76
4.4.60.0020.0174.75
4.4.50.0040.0214.77
4.4.40.0060.0304.71
4.4.30.0030.0214.76
4.4.20.0020.0174.85
4.4.10.0040.0154.85
4.4.00.0040.0244.76
4.3.110.0030.0204.67
4.3.100.0040.0144.66
4.3.90.0020.0164.63
4.3.80.0040.0314.58
4.3.70.0040.0284.63
4.3.60.0030.0194.63
4.3.50.0030.0174.63
4.3.40.0040.0244.54
4.3.30.0000.0183.30
4.3.20.0020.0163.28
4.3.10.0010.0183.24
4.3.00.0070.0178.96

preferences:
50.19 ms | 401 KiB | 5 Q