3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass(); $obj->foo = "bar"; $obj->{'foo bar'} = 42; var_dump($obj);

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)
8.3.60.0140.00316.50
8.3.50.0130.00622.84
8.3.40.0140.00018.59
8.3.30.0130.00719.02
8.3.20.0050.00220.07
8.3.10.0020.00523.53
8.3.00.0030.00619.38
8.2.180.0070.00718.16
8.2.170.0190.00022.96
8.2.160.0110.00420.42
8.2.150.0080.00024.18
8.2.140.0050.00224.66
8.2.130.0050.00326.16
8.2.120.0070.00021.04
8.2.110.0040.00420.31
8.2.100.0000.01118.22
8.2.90.0000.00719.08
8.2.80.0000.00817.97
8.2.70.0040.00817.50
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0050.00318.22
8.2.30.0030.00518.05
8.2.20.0070.00017.55
8.2.10.0000.00717.93
8.2.00.0050.00317.61
8.1.280.0090.00925.92
8.1.270.0080.00023.83
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0060.00321.80
8.1.230.0040.00719.04
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0080.00317.23
8.1.190.0080.00017.22
8.1.180.0040.00418.10
8.1.170.0050.00318.55
8.1.160.0080.00021.84
8.1.150.0000.00718.72
8.1.140.0050.00317.43
8.1.130.0030.00317.66
8.1.120.0000.00717.31
8.1.110.0070.00017.32
8.1.100.0110.00017.39
8.1.90.0000.00717.46
8.1.80.0000.00817.38
8.1.70.0000.00717.29
8.1.60.0000.00817.58
8.1.50.0060.00317.44
8.1.40.0030.00517.43
8.1.30.0060.00317.53
8.1.20.0020.00517.58
8.1.10.0000.00717.48
8.1.00.0000.00817.44
8.0.300.0080.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.37
8.0.270.0030.00317.15
8.0.260.0050.00317.10
8.0.250.0000.00716.91
8.0.240.0000.00716.77
8.0.230.0050.00216.92
8.0.220.0000.00716.83
8.0.210.0020.00716.88
8.0.200.0000.00716.84
8.0.190.0070.00016.91
8.0.180.0000.00716.86
8.0.170.0050.00316.88
8.0.160.0030.00316.93
8.0.150.0050.00316.69
8.0.140.0070.00016.81
8.0.130.0000.00613.25
8.0.120.0040.00416.81
8.0.110.0030.00616.71
8.0.100.0000.00716.66
8.0.90.0000.00716.75
8.0.80.0120.00916.80
8.0.70.0000.00716.64
8.0.60.0040.00416.69
8.0.50.0040.00416.85
8.0.30.0100.00917.04
8.0.20.0150.00517.40
8.0.10.0050.00316.75
8.0.00.0080.01116.88
7.4.330.0070.00015.00
7.4.320.0030.00316.45
7.4.300.0000.00616.51
7.4.290.0040.00416.53
7.4.280.0040.00516.43
7.4.270.0000.00716.44
7.4.260.0000.00716.52
7.4.250.0050.00216.48
7.4.240.0020.00516.44
7.4.230.0000.00716.62
7.4.220.0130.01016.35
7.4.210.0030.01116.49
7.4.200.0040.00416.32
7.4.160.0080.01216.66
7.4.150.0120.00617.40
7.4.140.0020.01517.86
7.4.130.0090.01116.35
7.4.120.0080.00916.41
7.4.110.0070.01016.41
7.4.100.0110.00716.19
7.4.90.0110.00616.43
7.4.80.0030.01319.39
7.4.70.0060.01216.47
7.4.60.0060.01216.25
7.4.50.0050.00516.31
7.4.40.0130.01016.42
7.4.30.0060.00916.39
7.4.00.0030.01014.83
7.3.330.0060.00013.11
7.3.320.0030.00313.13
7.3.310.0030.00316.19
7.3.300.0030.00316.18
7.3.290.0000.01316.19
7.3.280.0110.00416.17
7.3.270.0070.01117.40
7.3.260.0060.01816.28
7.3.250.0040.01216.35
7.3.240.0090.01216.38
7.3.230.0100.00616.39
7.3.210.0150.00516.18
7.3.200.0130.00319.39
7.3.190.0130.00916.24
7.3.180.0040.01216.38
7.3.170.0120.00416.27
7.3.160.0120.00316.35
7.2.330.0150.00316.32
7.2.320.0160.00316.44
7.2.310.0120.00616.64
7.2.300.0090.01216.50
7.2.290.0070.01016.51
7.2.60.0060.00916.60
7.2.00.0000.01319.40
7.1.200.0090.00615.83
7.1.100.0070.00718.09
7.1.70.0000.01217.20
7.1.60.0100.01319.46
7.1.50.0040.00916.81
7.1.00.0070.07022.27
7.0.200.0040.00716.30
7.0.140.0000.10021.92
7.0.60.0030.04019.87
7.0.50.0100.07317.89
7.0.40.0030.08720.11
7.0.30.0430.06720.23
7.0.20.0270.07720.01
7.0.10.0070.04720.02
7.0.00.0070.04019.99
5.6.280.0000.07721.11
5.6.210.0100.04720.52
5.6.200.0000.04318.24
5.6.190.0070.09020.62
5.6.180.0370.07020.59
5.6.170.0230.04320.33
5.6.160.0070.05020.52
5.6.150.0030.08318.18
5.6.140.0030.04018.11
5.6.130.0130.08018.14
5.6.120.0100.07720.85
5.6.110.0130.06321.08
5.6.100.0170.08020.88
5.6.90.0130.06721.03
5.6.80.0070.08320.40
5.5.350.0270.07020.47
5.5.340.0000.04317.98
5.5.330.0070.08720.15
5.5.320.0200.04320.20
5.5.310.0430.08020.30
5.5.300.0070.05017.91
5.5.290.0100.06717.96
5.5.280.0070.04020.79
5.5.270.0000.08720.69
5.5.260.0100.08020.87
5.5.250.0100.05720.57
5.5.240.0130.04020.23
5.4.450.0230.04319.57
5.4.440.0330.04719.37
5.4.430.0100.03719.57
5.4.420.0130.04319.24
5.4.410.0030.03719.31
5.4.400.0070.03019.09
5.4.390.0130.04019.13
5.4.380.0300.06318.59
5.4.370.0470.05318.61
5.4.360.0300.05018.59
5.4.350.0300.06318.70
5.4.340.0430.06718.50
5.4.320.0070.03612.45
5.4.310.0030.04112.45
5.4.300.0070.03612.46
5.4.290.0070.03712.45
5.4.280.0070.03812.35
5.4.270.0030.04012.35
5.4.260.0050.03912.35
5.4.250.0040.04012.35
5.4.240.0050.03612.35
5.4.230.0070.03612.34
5.4.220.0070.03612.34
5.4.210.0080.03912.34
5.4.200.0070.05412.34
5.4.190.0070.03612.34
5.4.180.0090.03212.34
5.4.170.0070.03812.35
5.4.160.0050.03812.35
5.4.150.0060.03512.34
5.4.140.0080.03812.03
5.4.130.0050.03612.01
5.4.120.0030.03811.97
5.4.110.0050.03611.97
5.4.100.0040.03811.96
5.4.90.0050.05011.96
5.4.80.0110.04911.97
5.4.70.0070.03611.96
5.4.60.0040.04211.95
5.4.50.0070.05611.96
5.4.40.0080.03311.95
5.4.30.0050.03611.95
5.4.20.0050.03911.95
5.4.10.0040.03711.95
5.4.00.0080.03311.44
5.3.290.0060.03912.80
5.3.280.0080.03612.70
5.3.270.0070.03812.72
5.3.260.0060.05212.72
5.3.250.0080.05112.72
5.3.240.0090.04412.72
5.3.230.0110.03512.71
5.3.220.0040.03812.68
5.3.210.0080.04012.68
5.3.200.0100.04212.68
5.3.190.0090.04812.68
5.3.180.0090.05012.68
5.3.170.0100.05112.67
5.3.160.0080.05012.68
5.3.150.0040.04012.68
5.3.140.0100.03312.66
5.3.130.0030.04112.66
5.3.120.0040.04112.66
5.3.110.0050.04112.66
5.3.100.0060.03712.12
5.3.90.0100.03412.09
5.3.80.0070.03612.07
5.3.70.0060.03612.08
5.3.60.0090.03312.06
5.3.50.0070.03612.00
5.3.40.0060.03712.00
5.3.30.0060.04011.94
5.3.20.0070.03511.72
5.3.10.0050.03711.69
5.3.00.0050.03611.68
5.2.170.0040.0319.18
5.2.160.0020.0329.18
5.2.150.0060.0299.18
5.2.140.0080.0279.18
5.2.130.0040.0309.13
5.2.120.0050.0289.13
5.2.110.0040.0299.14
5.2.100.0040.0289.14
5.2.90.0060.0289.14
5.2.80.0020.0339.13
5.2.70.0060.0289.13
5.2.60.0050.0299.09
5.2.50.0030.0319.05
5.2.40.0060.0319.03
5.2.30.0090.0379.01
5.2.20.0070.0358.99
5.2.10.0040.0298.91
5.2.00.0030.0318.77
5.1.60.0030.0268.06
5.1.50.0050.0248.05
5.1.40.0060.0238.04
5.1.30.0020.0308.39
5.1.20.0040.0278.41
5.1.10.0050.0268.14
5.1.00.0030.0278.13
5.0.50.0060.0186.62
5.0.40.0040.0196.47
5.0.30.0050.0306.29
5.0.20.0030.0206.25
5.0.10.0050.0196.24
5.0.00.0020.0346.23
4.4.90.0070.0114.78
4.4.80.0020.0174.75
4.4.70.0020.0174.76
4.4.60.0060.0174.75
4.4.50.0040.0154.77
4.4.40.0060.0314.71
4.4.30.0030.0154.76
4.4.20.0030.0164.85
4.4.10.0050.0134.85
4.4.00.0020.0254.75
4.3.110.0040.0144.66
4.3.100.0020.0164.66
4.3.90.0070.0104.63
4.3.80.0040.0294.58
4.3.70.0030.0164.63
4.3.60.0040.0144.63
4.3.50.0020.0164.63
4.3.40.0040.0234.54
4.3.30.0010.0173.28
4.3.20.0010.0173.25
4.3.10.0020.0163.21
4.3.00.0000.01318.23

preferences:
40.46 ms | 401 KiB | 5 Q