3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = &new StdClass; var_dump($a); ?>

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)
5.6.280.0000.07721.10
5.6.210.0100.04320.60
5.6.200.0100.07318.23
5.6.190.0100.08020.46
5.6.180.0430.05020.57
5.6.170.0230.06720.50
5.6.160.0070.08320.40
5.6.150.0130.08018.18
5.6.140.0070.04018.19
5.6.130.0130.03018.21
5.6.120.0100.07720.90
5.6.110.0070.08321.02
5.6.100.0030.08321.04
5.6.90.0200.07020.99
5.6.80.0070.08020.39
5.5.350.0330.07020.42
5.5.340.0070.06717.89
5.5.330.0130.07320.20
5.5.320.0300.07020.24
5.5.310.0230.05320.41
5.5.300.0070.08317.97
5.5.290.0000.04317.89
5.5.280.0100.03720.87
5.5.270.0030.04020.86
5.5.260.0000.04320.75
5.5.250.0130.03320.54
5.5.240.0270.06720.27
5.4.450.0330.04719.21
5.4.440.0200.04719.42
5.4.430.0300.04019.48
5.4.420.0170.03719.40
5.4.410.0130.05019.35
5.4.400.0200.04719.25
5.4.390.0730.04719.10
5.4.380.0300.05718.51
5.4.370.0400.04318.50
5.4.360.0400.05318.50
5.4.350.0430.08018.77
5.4.340.0270.05318.47
5.4.320.0050.03712.45
5.4.310.0050.03812.46
5.4.300.0040.03812.46
5.4.290.0040.03912.45
5.4.280.0080.03312.35
5.4.270.0090.03312.35
5.4.260.0060.03712.35
5.4.250.0080.03512.35
5.4.240.0070.03812.35
5.4.230.0060.04012.34
5.4.220.0100.04412.34
5.4.210.0070.03312.34
5.4.200.0040.03912.34
5.4.190.0040.03812.34
5.4.180.0030.03912.34
5.4.170.0050.03612.35
5.4.160.0050.03512.34
5.4.150.0080.03412.34
5.4.140.0100.03412.03
5.4.130.0040.03712.02
5.4.120.0040.03611.97
5.4.110.0090.03311.97
5.4.100.0050.03611.97
5.4.90.0050.03811.96
5.4.80.0030.03811.97
5.4.70.0040.03511.96
5.4.60.0090.03611.96
5.4.50.0040.04011.96
5.4.40.0040.03811.95
5.4.30.0070.03511.95
5.4.20.0040.03911.95
5.4.10.0050.04311.95
5.4.00.0090.04211.43
5.3.290.0120.04812.80
5.3.280.0040.04312.71
5.3.270.0040.04212.73
5.3.260.0060.04012.72
5.3.250.0060.03912.72
5.3.240.0100.03312.72
5.3.230.0070.03712.71
5.3.220.0070.03512.68
5.3.210.0080.03612.68
5.3.200.0080.03412.68
5.3.190.0080.03612.68
5.3.180.0080.03412.67
5.3.170.0030.03812.67
5.3.160.0060.03612.68
5.3.150.0030.03912.67
5.3.140.0070.03512.66
5.3.130.0040.04012.66
5.3.120.0070.03712.66
5.3.110.0070.03812.66
5.3.100.0060.03612.12
5.3.90.0060.03912.08
5.3.80.0080.03312.08
5.3.70.0050.03712.08
5.3.60.0090.03312.06
5.3.50.0070.03412.00
5.3.40.0090.03812.00
5.3.30.0090.03311.94
5.3.20.0070.03811.71
5.3.10.0050.03511.69
5.3.00.0080.03311.68
5.2.170.0030.0339.18
5.2.160.0030.0329.18
5.2.150.0070.0299.18
5.2.140.0070.0289.18
5.2.130.0060.0299.13
5.2.120.0050.0289.13
5.2.110.0060.0289.14
5.2.100.0060.0299.13
5.2.90.0070.0289.14
5.2.80.0020.0329.13
5.2.70.0040.0319.13
5.2.60.0030.0329.09
5.2.50.0040.0309.05
5.2.40.0040.0309.03
5.2.30.0030.0319.00
5.2.20.0060.0288.99
5.2.10.0060.0288.91
5.2.00.0040.0308.78
5.1.60.0060.0228.07
5.1.50.0040.0258.06
5.1.40.0030.0308.04
5.1.30.0040.0308.39
5.1.20.0050.0328.41
5.1.10.0070.0258.14
5.1.00.0030.0288.14
5.0.50.0020.0316.62
5.0.40.0030.0266.48
5.0.30.0050.0296.28
5.0.20.0070.0206.26
5.0.10.0040.0196.23
5.0.00.0050.0336.22
4.4.90.0030.0194.78
4.4.80.0020.0164.75
4.4.70.0050.0134.75
4.4.60.0020.0164.75
4.4.50.0040.0144.77
4.4.40.0020.0254.71
4.4.30.0030.0144.76
4.4.20.0040.0144.85
4.4.10.0020.0164.85
4.4.00.0050.0234.76
4.3.110.0010.0164.67
4.3.100.0030.0144.67
4.3.90.0030.0144.64
4.3.80.0040.0234.58
4.3.70.0050.0124.63
4.3.60.0040.0124.63
4.3.50.0020.0164.63
4.3.40.0050.0214.54
4.3.30.0040.0133.28
4.3.20.0010.0173.26
4.3.10.0020.0153.21
4.3.00.0130.01715.68

preferences:
140.76 ms | 1394 KiB | 7 Q