3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = new StdClass(); $var->foo = 'bar'; $GLOBALS['this'] = $var; var_dump($this); $var->foo = 'baz'; $foo = 'this'; $$foo = $var; var_dump($this); foo($this); function foo($this){ $GLOBALS['this']->foo = 'baw'; var_dump($$GLOBALS['foo'],$GLOBALS['this']); $$GLOBALS['foo'] = $GLOBALS['this']; var_dump($this); }

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)
8.3.60.0090.00618.56
8.3.50.0130.00921.08
8.3.40.0040.01518.54
8.3.30.0120.00318.71
8.3.20.0070.00020.29
8.3.10.0070.00021.85
8.3.00.0000.00820.36
8.2.180.0040.01118.29
8.2.170.0040.01122.96
8.2.160.0070.01020.32
8.2.150.0000.00824.18
8.2.140.0000.00724.66
8.2.130.0080.00026.16
8.2.120.0090.00017.38
8.2.110.0040.00720.75
8.2.100.0080.00317.78
8.2.90.0050.00317.90
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0050.00317.80
8.2.50.0060.00318.07
8.2.40.0040.00419.44
8.2.30.0060.00320.66
8.2.20.0030.00517.48
8.2.10.0080.00017.81
8.2.00.0030.00518.04
8.1.280.0130.00725.92
8.1.270.0090.00923.95
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00622.40
8.1.230.0100.00020.93
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0030.00617.00
8.1.190.0060.00317.10
8.1.180.0040.00418.10
8.1.170.0030.00518.66
8.1.160.0000.00721.87
8.1.150.0040.00418.81
8.1.140.0040.00417.33
8.1.130.0070.00017.53
8.1.120.0030.00417.38
8.1.110.0020.00517.22
8.1.100.0000.00717.24
8.1.90.0040.00417.32
8.1.80.0040.00417.32
8.1.70.0030.00317.37
8.1.60.0000.00817.45
8.1.50.0050.00217.29
8.1.40.0040.00417.32
8.1.30.0000.00817.44
8.1.20.0050.00217.53
8.1.10.0000.00717.43
8.1.00.0000.00817.33
8.0.300.0040.00419.86
8.0.290.0040.00416.75
8.0.280.0000.00718.21
8.0.270.0030.00317.24
8.0.260.0030.00317.13
8.0.250.0000.00816.96
8.0.240.0040.00416.88
8.0.230.0050.00216.96
8.0.220.0030.00416.87
8.0.210.0040.00416.83
8.0.200.0040.00416.78
8.0.190.0080.00316.96
8.0.180.0030.00616.71
8.0.170.0040.00416.84
8.0.160.0040.00416.83
8.0.150.0040.00416.78
8.0.140.0050.00316.82
8.0.130.0000.00613.25
8.0.120.0040.00416.81
8.0.110.0000.00716.75
8.0.100.0080.00016.70
8.0.90.0040.00416.88
8.0.80.0060.00916.86
8.0.70.0000.00716.95
8.0.60.0000.00716.76
8.0.50.0070.00016.79
8.0.30.0050.01216.96
8.0.20.0120.00817.40
8.0.10.0000.00816.97
8.0.00.0040.01416.62
7.4.330.0000.00615.08
7.4.320.0000.00616.46
7.4.300.0030.00316.30
7.4.290.0000.00716.46
7.4.280.0070.00316.28
7.4.270.0040.00416.32
7.4.260.0030.00316.37
7.4.250.0000.00716.34
7.4.240.0020.00516.43
7.4.230.0030.00316.20
7.4.220.0190.00816.51
7.4.210.0030.01416.56
7.4.200.0040.00416.50
7.4.160.0040.01216.10
7.4.150.0150.00917.40
7.4.140.0060.01517.86
7.4.130.0050.01316.38
7.4.120.0100.01116.34
7.4.110.0160.00616.30
7.4.100.0070.01116.36
7.4.90.0100.00716.38
7.4.80.0040.01419.39
7.4.70.0070.01016.40
7.4.60.0120.00816.46
7.4.50.0060.00316.38
7.4.40.0090.00916.44
7.4.30.0030.02116.45
7.4.00.0000.01714.93
7.3.330.0020.00213.16
7.3.320.0000.00513.23
7.3.310.0030.00316.14
7.3.300.0000.00716.27
7.3.290.0090.00716.22
7.3.280.0080.00716.25
7.3.270.0060.01217.40
7.3.260.0070.01116.34
7.3.250.0070.01016.19
7.3.240.0000.01716.27
7.3.230.0030.01316.39
7.3.210.0090.00616.17
7.3.200.0110.00516.37
7.3.190.0090.00616.22
7.3.180.0090.00916.22
7.3.170.0120.00416.37
7.3.160.0120.00616.15
7.2.330.0180.00016.43
7.2.320.0130.00316.62
7.2.310.0120.00916.18
7.2.300.0030.01316.35
7.2.290.0130.00316.30
7.2.60.0080.00416.61
7.2.00.0120.00319.29
7.1.200.0000.01515.30
7.1.100.0030.01317.96
7.1.70.0030.00317.00
7.1.60.0140.01019.14
7.1.50.0040.00816.52
7.1.00.0030.07022.36
7.0.200.0100.00716.38
7.0.60.0030.05719.85
7.0.50.0070.07017.88
7.0.40.0000.05020.10
7.0.30.0300.07720.06
7.0.20.0300.05320.15
7.0.10.0000.05020.23
7.0.00.0130.08320.22
5.6.280.0030.03021.04
5.6.210.0000.08320.71
5.6.200.0100.06318.15
5.6.190.0000.04720.43
5.6.180.0270.03320.46
5.6.170.0230.08320.57
5.6.160.0070.09020.50
5.6.150.0100.07718.29
5.6.140.0000.07318.18
5.6.130.0000.05718.27
5.6.120.0100.05321.12
5.6.110.0170.07320.96
5.6.100.0100.07721.04
5.6.90.0170.07721.04
5.6.80.0130.03320.42
5.5.350.0070.08020.47
5.5.340.0170.03017.99
5.5.330.0030.07320.37
5.5.320.0400.07720.34
5.5.310.0300.06020.32
5.5.300.0070.08018.01
5.5.290.0200.07017.96
5.5.280.0130.07320.98
5.5.270.0070.07320.63
5.5.260.0270.04320.80
5.5.250.0030.05320.66
5.5.240.0000.07720.16
5.4.450.0770.05719.25
5.4.440.0730.05319.63
5.4.430.0670.06019.58
5.4.420.0700.05319.54
5.4.410.0730.05319.26
5.4.400.0630.07019.05
5.4.390.0630.06718.86
5.4.380.0800.04319.21
5.4.370.0830.05319.24
5.4.360.0730.06018.89
5.4.350.0700.05719.09
5.4.340.0870.05318.86
5.4.320.0900.06018.90
5.4.310.0630.06019.20
5.4.300.1030.04019.08
5.4.290.0870.05319.10
5.4.280.0770.05318.86
5.4.270.0800.04319.04
5.4.260.0670.05719.04
5.4.250.0800.05319.08
5.4.240.0800.06319.08
5.4.230.0670.05319.20
5.4.220.0630.05718.90
5.4.210.0630.06718.82
5.4.200.0670.05719.08
5.4.190.0770.04718.85
5.4.180.0670.05719.06
5.4.170.0730.04719.07
5.4.160.0700.05018.99
5.4.150.0700.05019.00
5.4.140.0700.05016.34
5.4.130.0730.04316.43
5.4.120.0730.05316.43
5.4.110.0670.05316.38
5.4.100.0730.05016.57
5.4.90.0900.03716.24
5.4.80.0700.05016.17
5.4.70.0170.07016.27
5.4.60.0200.06316.40
5.4.50.0000.08016.45
5.4.40.0130.03316.54
5.4.30.0330.04316.42
5.4.20.0330.06716.42

preferences:
86.14 ms | 401 KiB | 5 Q