3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dom = new \DOMDocument(); $elt = $dom ->appendChild($dom->createElementNS('some:namespace', 'foo')) ->appendChild($dom->createElement('bar')); $xml = $dom->saveXML(); var_dump($elt->namespaceURI); $dom = new \DOMDocument(); $dom->loadXml($xml); $elt = $dom->documentElement->firstChild; var_dump($elt->namespaceURI);

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)
8.3.60.0180.00416.88
8.3.50.0040.01118.43
8.3.40.0040.01522.11
8.3.30.0000.01518.80
8.3.20.0080.00024.18
8.3.10.0040.00424.66
8.3.00.0060.00326.16
8.2.180.0070.01125.92
8.2.170.0000.01519.05
8.2.160.0130.00022.96
8.2.150.0080.00025.66
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00021.32
8.2.110.0040.00719.40
8.2.100.0070.00719.89
8.2.90.0040.00418.00
8.2.80.0000.00818.73
8.2.70.0040.00417.75
8.2.60.0050.00518.05
8.2.50.0000.00918.07
8.2.40.0000.00820.13
8.2.30.0050.00318.33
8.2.20.0000.00718.56
8.2.10.0080.00019.13
8.2.00.0040.00419.49
8.1.280.0070.00725.92
8.1.270.0000.00824.08
8.1.260.0150.00426.35
8.1.250.0050.00328.09
8.1.240.0000.00921.65
8.1.230.0080.00317.89
8.1.220.0040.00417.78
8.1.210.0040.00418.77
8.1.200.0060.00317.60
8.1.190.0100.00017.48
8.1.180.0070.00418.10
8.1.170.0040.00418.93
8.1.160.0070.00019.06
8.1.150.0070.00018.87
8.1.140.0020.00517.62
8.1.130.0030.00319.18
8.1.120.0070.00017.62
8.1.110.0000.00817.66
8.1.100.0040.00417.72
8.1.90.0040.00417.73
8.1.80.0040.00417.68
8.1.70.0000.00717.55
8.1.60.0040.00417.82
8.1.50.0080.00017.68
8.1.40.0060.00317.63
8.1.30.0040.00417.86
8.1.20.0000.00917.91
8.1.10.0040.00417.92
8.1.00.0080.00017.66
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0050.00318.59
8.0.270.0000.00818.22
8.0.260.0030.00318.59
8.0.250.0000.00717.06
8.0.240.0020.00517.20
8.0.230.0040.00417.22
8.0.220.0000.00817.14
8.0.210.0030.00317.14
8.0.200.0040.00417.18
8.0.190.0000.00717.21
8.0.180.0040.00417.02
8.0.170.0040.00417.16
8.0.160.0000.00917.13
8.0.150.0000.00816.92
8.0.140.0000.00816.93
8.0.130.0000.00613.50
8.0.120.0040.00417.02
8.0.110.0040.00417.11
8.0.100.0030.00517.02
8.0.90.0050.00317.05
8.0.80.0040.00417.05
8.0.70.0020.00517.15
8.0.60.0050.00217.17
8.0.50.0040.00316.94
8.0.30.0030.00517.12
8.0.20.0010.00617.08
8.0.10.0020.00617.19
8.0.00.0070.00017.14
7.4.330.0030.00315.55
7.4.320.0030.00316.85
7.4.300.0000.00616.68
7.4.290.0060.00316.54
7.4.280.0080.00016.82
7.4.270.0050.00316.76
7.4.260.0050.00013.56
7.4.250.0030.00316.80
7.4.240.0070.00016.72
7.4.230.0040.00416.87
7.4.220.0020.00616.89
7.4.210.0030.00516.79
7.4.200.0030.00516.89
7.4.190.0040.00416.71
7.4.180.0020.00516.80
7.4.160.0020.00516.91
7.4.150.0020.00616.82
7.4.140.0060.00116.77
7.4.130.0000.00716.73
7.4.120.0030.00316.75
7.4.110.0020.00516.68
7.4.100.0040.00316.84
7.4.90.0020.00516.72
7.4.80.0040.00416.55
7.4.70.0020.00516.77
7.4.60.0020.00516.64
7.4.50.0030.00316.59
7.4.40.0050.00216.72
7.4.30.0040.00416.42
7.4.20.0030.00416.73
7.4.10.0000.00616.60
7.4.00.0020.00516.67
7.3.330.0060.00316.40
7.3.320.0000.00513.31
7.3.310.0020.00516.41
7.3.300.0020.00516.32
7.3.290.0030.00316.44
7.3.280.0030.00316.44
7.3.270.0030.00416.39
7.3.260.0020.00516.46
7.3.250.0050.00216.50
7.3.240.0030.00416.24
7.3.230.0010.00716.40
7.3.220.0020.00616.43
7.3.210.0000.00716.37
7.3.200.0020.00516.31
7.3.190.0030.00316.41
7.3.180.0020.00516.35
7.3.170.0050.00216.37
7.3.160.0060.00016.36
7.3.150.0050.00216.40
7.3.140.0020.00516.34
7.3.130.0020.00516.31
7.3.120.0030.00316.35
7.3.110.0030.00316.11
7.3.100.0020.00516.21
7.3.90.0020.00516.64
7.3.80.0020.00516.29
7.3.70.0030.00316.46
7.3.60.0000.00716.46
7.3.50.0020.00516.50
7.3.40.0050.00216.56
7.3.30.0040.00216.57
7.3.20.0030.00417.54
7.3.10.0040.00417.48
7.3.00.0030.00317.34

preferences:
55.82 ms | 400 KiB | 5 Q