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; echo $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)
8.3.60.0070.00718.43
8.3.50.0100.00921.08
8.3.40.0070.00718.79
8.3.30.0110.00320.21
8.3.20.0060.00318.90
8.3.10.0080.00021.08
8.3.00.0040.00419.68
8.2.180.0130.00618.41
8.2.170.0100.01322.96
8.2.160.0030.01020.27
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00419.64
8.2.110.0030.00620.53
8.2.100.0040.00817.91
8.2.90.0000.00719.09
8.2.80.0000.00719.41
8.2.70.0030.00617.63
8.2.60.0030.00617.80
8.2.50.0060.00318.07
8.2.40.0080.00019.94
8.2.30.0040.00419.43
8.2.20.0000.00717.77
8.2.10.0030.00617.80
8.2.00.0040.00417.75
8.1.280.0090.00625.92
8.1.270.0080.00023.99
8.1.260.0030.00526.35
8.1.250.0000.00728.09
8.1.240.0070.00422.34
8.1.230.0070.00321.11
8.1.220.0000.00818.77
8.1.210.0040.00418.90
8.1.200.0060.00317.00
8.1.190.0050.00217.51
8.1.180.0080.00018.10
8.1.170.0070.00018.59
8.1.160.0040.00418.66
8.1.150.0040.00418.57
8.1.140.0040.00417.30
8.1.130.0070.00017.74
8.1.120.0040.00417.38
8.1.110.0000.00717.39
8.1.100.0000.00717.27
8.1.90.0030.00317.29
8.1.80.0040.00417.41
8.1.70.0070.00017.36
8.1.60.0050.00317.56
8.1.50.0000.00717.42
8.1.40.0040.00417.48
8.1.30.0050.00317.57
8.1.20.0040.00417.55
8.1.10.0040.00417.47
8.1.00.0040.00717.45
8.0.300.0070.00019.88
8.0.290.0000.00717.03
8.0.280.0030.00318.37
8.0.270.0000.00717.24
8.0.260.0070.00016.73
8.0.250.0000.00716.92
8.0.240.0040.00417.01
8.0.230.0030.00316.95
8.0.220.0030.00316.89
8.0.210.0030.00616.79
8.0.200.0030.00316.89
8.0.190.0070.00016.91
8.0.180.0040.00416.78
8.0.170.0030.00316.80
8.0.160.0000.00716.77
8.0.150.0000.00716.84
8.0.140.0000.00716.74
8.0.130.0030.00313.32
8.0.120.0090.00016.88
8.0.110.0040.00416.75
8.0.100.0030.00316.70
8.0.90.0030.00516.77
8.0.80.0120.00616.87
8.0.70.0000.00816.75
8.0.60.0000.00916.77
8.0.50.0050.00316.70
8.0.30.0110.00617.01
8.0.20.0130.01017.40
8.0.10.0000.00717.03
8.0.00.0070.01016.80
7.4.330.0050.00016.82
7.4.320.0070.00016.51
7.4.300.0030.00316.43
7.4.290.0030.00316.50
7.4.280.0000.00716.60
7.4.270.0000.00816.44
7.4.260.0030.00313.30
7.4.250.0040.00416.46
7.4.240.0000.00816.61
7.4.230.0000.00716.64
7.4.220.0110.00816.39
7.4.210.0090.00516.47
7.4.200.0040.00416.62
7.4.190.0050.00216.46
7.4.160.0060.00916.57
7.4.150.0030.01517.40
7.4.140.0100.00817.86
7.4.130.0080.00916.49
7.4.120.0060.01516.58
7.4.110.0130.01016.59
7.4.100.0130.00316.45
7.4.90.0150.00316.54
7.4.80.0060.01219.39
7.4.70.0090.01316.57
7.4.60.0080.00816.48
7.4.50.0000.00516.57
7.4.40.0080.00822.77
7.4.30.0070.01016.40
7.4.00.0070.00715.20
7.3.330.0050.00013.14
7.3.320.0050.00013.17
7.3.310.0070.00016.39
7.3.300.0030.00316.40
7.3.290.0070.00716.45
7.3.280.0110.00716.37
7.3.270.0130.01317.40
7.3.260.0120.00918.24
7.3.250.0110.00716.32
7.3.240.0060.01016.40
7.3.230.0140.00316.62
7.3.210.0100.00716.59
7.3.200.0160.00019.39
7.3.190.0170.00316.59
7.3.180.0100.01016.24
7.3.170.0070.01116.52
7.3.160.0090.00616.44
7.3.120.0130.00014.82
7.2.330.0110.00616.69
7.2.320.0080.00816.61
7.2.310.0140.01016.65
7.2.300.0080.01116.83
7.2.290.0050.01116.57
7.2.60.0030.01016.74
7.2.00.0000.01519.64
7.1.200.0040.00815.86
7.1.100.0080.00318.16
7.1.70.0000.01317.31
7.1.60.0070.01819.24
7.1.50.0070.01716.95
7.1.00.0000.07022.28
7.0.200.0000.00716.82
7.0.140.0030.07322.08
7.0.70.0130.07719.95
7.0.60.0070.07020.08
7.0.50.0070.09020.37
7.0.40.0100.08320.07
7.0.30.0100.07720.13
7.0.20.0030.04720.15
7.0.10.0030.06320.03
7.0.00.0030.08020.10
5.6.280.0070.07021.04
5.6.220.0100.08020.58
5.6.210.0000.08020.60
5.6.200.0200.07321.05
5.6.190.0100.08321.11
5.6.180.0200.07321.05
5.6.170.0030.09321.11
5.6.160.0070.08021.05
5.6.150.0170.08021.08
5.6.140.0200.06321.10
5.6.130.0070.05721.05
5.6.120.0100.08021.02
5.6.110.0100.08721.09
5.6.100.0070.05321.05
5.6.90.0070.08721.04
5.6.80.0130.04320.41
5.6.70.0100.08020.46
5.6.60.0030.08020.51
5.6.50.0170.07320.37
5.6.40.0030.08720.29
5.6.30.0070.08320.39
5.6.20.0100.05720.38
5.6.10.0100.08320.30
5.6.00.0070.08320.40
5.5.360.0130.06720.41
5.5.350.0100.08020.42
5.5.340.0030.07720.93
5.5.330.0100.08720.84
5.5.320.0100.03720.90
5.5.310.0070.08320.93
5.5.300.0130.08320.88
5.5.290.0070.09020.90
5.5.280.0070.08720.92
5.5.270.0030.06020.84
5.5.260.0070.05720.88
5.5.250.0030.09020.58
5.5.240.0070.07020.26
5.5.230.0130.08020.18
5.5.220.0100.05020.18
5.5.210.0130.05320.29
5.5.200.0030.08719.99
5.5.190.0030.09320.15
5.5.180.0200.06720.23
5.5.160.0000.08020.21
5.5.150.0100.07320.13
5.5.140.0030.05320.22
5.5.130.0170.07320.12
5.5.120.0100.08020.14
5.5.110.0070.05020.25
5.5.100.0130.07720.07
5.5.90.0100.07020.15
5.5.80.0000.08319.97
5.5.70.0130.06320.16
5.5.60.0030.08019.93
5.5.50.0070.08020.16
5.5.40.0070.06319.93
5.5.30.0130.08020.08
5.5.20.0070.06720.08
5.5.10.0100.06720.12
5.5.00.0100.08020.02
5.4.450.0100.06719.29
5.4.440.0100.08019.45
5.4.430.0070.08719.44
5.4.420.0000.09019.37
5.4.410.0100.06019.38
5.4.400.0100.07319.05
5.4.390.0170.06318.90
5.4.380.0200.06719.03
5.4.370.0070.06319.09
5.4.360.0070.08319.03
5.4.350.0030.06719.16
5.4.340.0000.05719.05
5.4.320.0100.07719.20
5.4.310.0200.06018.85
5.4.300.0100.07719.15
5.4.290.0130.06719.00
5.4.280.0030.06719.23
5.4.270.0030.08719.19
5.4.260.0100.06719.15
5.4.250.0030.08319.18
5.4.240.0130.06719.04
5.4.230.0100.07719.13
5.4.220.0100.07719.04
5.4.210.0030.07018.84
5.4.200.0100.06319.22
5.4.190.0100.06319.22
5.4.180.0070.04719.15
5.4.170.0130.07319.15
5.4.160.0100.06018.98
5.4.150.0070.07319.10
5.4.140.0030.08016.45
5.4.130.0070.04316.41
5.4.120.0030.06716.33
5.4.110.0070.07316.54
5.4.100.0030.07716.55
5.4.90.0170.05016.55
5.4.80.0070.06316.45
5.4.70.0030.03716.48
5.4.60.0000.03716.41
5.4.50.0000.05016.44
5.4.40.0000.07716.49
5.4.30.0070.07316.48
5.4.20.0100.05316.39
5.4.10.0100.07016.44
5.4.00.0030.04715.63
5.3.290.0070.08014.72
5.3.280.0000.04314.51
5.3.270.0130.05314.57
5.3.260.0070.05314.53
5.3.250.0130.07714.72
5.3.240.0070.07714.66
5.3.230.0100.07314.64
5.3.220.0100.07714.57
5.3.210.0070.07714.55
5.3.200.0070.08014.67
5.3.190.0070.07714.61
5.3.180.0070.08014.57
5.3.170.0070.05014.56
5.3.160.0030.06014.62
5.3.150.0070.07314.48
5.3.140.0130.07014.51
5.3.130.0130.06714.46
5.3.120.0070.05714.53
5.3.110.0070.04714.59
5.3.100.0030.04714.14
5.3.90.0000.08714.12
5.3.80.0000.05313.90
5.3.70.0100.04313.90
5.3.60.0030.04013.93
5.3.50.0070.07313.87
5.3.40.0100.07713.88
5.3.30.0100.06713.81
5.3.20.0030.07713.71
5.3.10.0170.05013.55
5.3.00.0000.07313.74
5.2.170.0030.06712.51
5.2.160.0030.04012.51
5.2.150.0100.06012.51
5.2.140.0030.06712.51
5.2.130.0070.06312.51
5.2.120.0070.06012.51
5.2.110.0030.06712.51
5.2.100.0070.06012.51
5.2.90.0070.06312.51
5.2.80.0000.06312.51
5.2.70.0030.04012.51
5.2.60.0070.02712.51
5.2.50.0000.03712.51
5.2.40.0030.06712.51
5.2.30.0000.05012.51
5.2.20.0170.04712.51
5.2.10.0030.05012.51
5.2.00.0100.04012.51
5.1.60.0100.05012.51
5.1.50.0070.05312.51
5.1.40.0070.05312.51
5.1.30.0100.04312.51
5.1.20.0030.05712.51
5.1.10.0070.05012.51
5.1.00.0000.06312.51
5.0.50.0000.05012.51
5.0.40.0000.02712.51
5.0.30.0000.06012.51
5.0.20.0070.04312.51
5.0.10.0030.04712.51
5.0.00.0070.06012.51
4.4.90.0000.02012.51
4.4.80.0000.01712.51
4.4.70.0030.03312.51
4.4.60.0030.03012.51
4.4.50.0000.03312.51
4.4.40.0000.04312.51
4.4.30.0070.03312.51
4.4.20.0000.04012.51
4.4.10.0070.02712.51
4.4.00.0030.03712.51
4.3.110.0000.02312.51
4.3.100.0070.03312.51
4.3.90.0030.03012.51
4.3.80.0030.05312.51
4.3.70.0000.03312.51
4.3.60.0000.03712.51
4.3.50.0000.03712.51
4.3.40.0000.05312.51
4.3.30.0000.03712.51
4.3.20.0000.03312.51
4.3.10.0000.03712.51
4.3.00.0030.03712.51

preferences:
44.89 ms | 401 KiB | 5 Q