3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = simplexml_load_string('<foo><bar>1</bar></foo>'); $y = clone $x; unset($y->bar); echo $x->asXML(); echo $y->asXML();

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)
8.3.60.0100.01018.56
8.3.50.0190.00316.41
8.3.40.0070.00718.90
8.3.30.0070.00718.76
8.3.20.0080.00020.39
8.3.10.0080.00023.73
8.3.00.0000.00823.90
8.2.180.0140.00716.63
8.2.170.0110.01122.96
8.2.160.0070.00720.65
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0060.00321.25
8.2.120.0030.00626.35
8.2.110.0100.00022.50
8.2.100.0030.00718.05
8.2.90.0080.00019.30
8.2.80.0040.00418.05
8.2.70.0000.00817.75
8.2.60.0040.00418.17
8.2.50.0030.00518.07
8.2.40.0040.00820.63
8.2.30.0050.00319.56
8.2.20.0040.00417.88
8.2.10.0000.00818.34
8.2.00.0030.00618.27
8.1.280.0140.00325.92
8.1.270.0120.00319.17
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0070.01022.67
8.1.230.0040.00719.42
8.1.220.0050.00317.93
8.1.210.0040.00418.77
8.1.200.0030.00717.36
8.1.190.0000.00817.47
8.1.180.0060.00318.10
8.1.170.0080.00018.73
8.1.160.0000.00720.91
8.1.150.0070.00019.03
8.1.140.0000.00919.82
8.1.130.0110.00017.82
8.1.120.0000.00817.62
8.1.110.0040.00417.60
8.1.100.0080.00017.63
8.1.90.0050.00217.50
8.1.80.0000.00817.53
8.1.70.0030.00317.61
8.1.60.0040.00417.75
8.1.50.0030.00517.78
8.1.40.0000.00817.78
8.1.30.0040.00417.73
8.1.20.0000.00717.91
8.1.10.0040.00417.76
8.1.00.0050.00317.64
8.0.300.0030.00518.77
8.0.290.0000.00816.88
8.0.280.0030.00318.70
8.0.270.0000.00717.50
8.0.260.0070.00017.50
8.0.250.0000.00717.09
8.0.240.0070.00017.19
8.0.230.0030.00317.10
8.0.220.0070.00016.95
8.0.210.0000.00717.12
8.0.200.0070.00017.00
8.0.190.0000.00917.13
8.0.180.0000.00717.13
8.0.170.0080.00016.97
8.0.160.0070.00016.96
8.0.150.0040.00416.98
8.0.140.0000.01117.06
8.0.130.0030.00313.52
8.0.120.0000.00817.05
8.0.110.0040.00416.93
8.0.100.0020.00516.95
8.0.90.0030.00517.03
8.0.80.0060.01217.10
8.0.70.0070.00017.08
8.0.60.0050.00317.09
8.0.50.0040.00416.95
8.0.30.0120.00717.40
8.0.20.0090.01117.42
8.0.10.0020.00517.14
8.0.00.0080.01216.99
7.4.330.0020.00217.07
7.4.320.0070.00016.79
7.4.300.0050.00216.70
7.4.290.0000.00716.58
7.4.280.0050.00516.61
7.4.270.0060.00316.70
7.4.260.0000.00716.66
7.4.250.0000.00916.59
7.4.240.0020.00516.66
7.4.230.0070.00016.81
7.4.220.0070.01716.70
7.4.210.0050.00916.76
7.4.200.0030.00316.88
7.4.160.0140.00316.61
7.4.150.0110.00817.40
7.4.140.0100.01417.86
7.4.130.0140.00516.55
7.4.120.0130.00516.80
7.4.110.0110.00716.65
7.4.100.0080.01416.64
7.4.90.0090.00916.75
7.4.80.0120.01219.39
7.4.70.0090.00616.89
7.4.60.0030.01516.54
7.4.50.0030.01316.61
7.4.40.0090.00916.95
7.4.30.0110.00616.38
7.4.00.0030.01014.75
7.3.330.0050.00013.13
7.3.320.0000.00513.36
7.3.310.0070.00016.38
7.3.300.0000.00716.48
7.3.290.0040.00416.36
7.3.280.0090.00716.46
7.3.270.0130.01017.40
7.3.260.0150.00316.39
7.3.240.0110.00916.62
7.3.230.0140.00316.69
7.3.210.0100.01316.78
7.3.200.0130.01019.39
7.3.190.0030.01416.77
7.3.180.0110.00716.61
7.3.170.0160.00316.77
7.3.160.0030.01616.61
7.2.330.0090.00916.89
7.2.320.0030.01416.83
7.2.310.0030.01316.75
7.2.300.0140.00916.93
7.2.290.0130.00316.75
7.2.00.0040.00819.48
7.1.100.0040.01518.23
7.1.70.0040.01217.10
7.1.60.0080.00319.27
7.1.50.0000.02117.15
7.1.00.0100.07022.55
7.0.200.0040.00416.77
7.0.60.0100.06721.78
7.0.50.0100.03717.93
7.0.40.0070.06720.48
7.0.30.0330.08020.13
7.0.20.0330.07020.14
7.0.10.0100.08720.24
7.0.00.0070.07020.13
5.6.280.0030.03321.13
5.6.210.0070.08020.66
5.6.200.0100.05718.32
5.6.190.0030.04320.76
5.6.180.0230.04720.59
5.6.170.0270.03020.68
5.6.160.0070.06720.55
5.6.150.0000.08318.29
5.6.140.0030.04018.21
5.6.130.0070.08318.30
5.6.120.0070.05321.13
5.6.110.0130.08021.19
5.6.100.0070.07721.02
5.6.90.0030.04321.01
5.6.80.0030.04020.48
5.5.350.0070.08020.48
5.5.340.0070.07318.14
5.5.330.0000.04320.27
5.5.320.0270.05020.41
5.5.310.0230.06720.57
5.5.300.0070.08318.04
5.5.290.0100.05018.11
5.5.280.0100.08721.00
5.5.270.0100.06321.01
5.5.260.0030.04021.01
5.5.250.0030.09020.82
5.5.240.0130.05020.23

preferences:
45.58 ms | 400 KiB | 5 Q