3v4l.org

run code in 300+ PHP versions simultaneously
<?php function arrayToXml($data, \SimpleXmlElement $element, $parent = null) { foreach ($data as $key => $value) { if (is_array($value) || $value instanceof \Traversable) { if (!is_numeric($key)) { if (count($value) > 0 && isset($value[0])) { arrayToXml($value, $element, $key); } else { $subnode = $element->addChild($key); arrayToXml($value, $subnode, $key); } } else { $subnode = $element->addChild($parent); arrayToXml($value, $subnode, $parent); } } else { if (!is_numeric($key)) { if (substr($key, 0, 1) === '@') { $element->addAttribute(substr($key, 1), $value); } elseif ($key === 'value' and count($data) === 1) { $element[0] = $value; } elseif (is_bool($value)) { $element->addChild($key, intval($value)); } else { $element->addChild($key, htmlspecialchars($value, ENT_QUOTES)); } } else { $element->addChild($parent, htmlspecialchars($value, ENT_QUOTES)); } } } } $data = array('x' => array('value' => 'test')); $doc = new \SimpleXMLElement('<resource href="/"></resource>'); arrayToXml($data, $doc); echo $doc->asXml(); //$xml = new \SimpleXMLElement('<resource href="/"><x><0>test</0></x></resource>'); //echo $xml->x;

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)
8.3.60.0070.00716.63
8.3.50.0130.00722.14
8.3.40.0070.00719.10
8.3.30.0120.00319.30
8.3.20.0040.00420.55
8.3.10.0050.00323.86
8.3.00.0030.00520.05
8.2.180.0190.00318.66
8.2.170.0120.00322.96
8.2.160.0100.00720.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00321.25
8.2.110.0110.00422.49
8.2.100.0100.00320.01
8.2.90.0000.00819.47
8.2.80.0080.00017.97
8.2.70.0030.00617.88
8.2.60.0060.00618.29
8.2.50.0030.00718.07
8.2.40.0060.00320.32
8.2.30.0000.00718.65
8.2.20.0000.00818.04
8.2.10.0040.00418.43
8.2.00.0000.00718.00
8.1.280.0140.00025.92
8.1.270.0090.00024.20
8.1.260.0050.00226.35
8.1.250.0050.00228.09
8.1.240.0000.00923.90
8.1.230.0070.00419.46
8.1.220.0030.00518.03
8.1.210.0050.00318.77
8.1.200.0040.00417.72
8.1.190.0050.00317.73
8.1.180.0040.00418.10
8.1.170.0060.00918.74
8.1.160.0040.00422.23
8.1.150.0040.00419.18
8.1.140.0080.00017.70
8.1.130.0000.00718.12
8.1.120.0000.00717.79
8.1.110.0050.00317.65
8.1.100.0000.00817.71
8.1.90.0040.00417.80
8.1.80.0000.00717.80
8.1.70.0000.00717.64
8.1.60.0040.00417.93
8.1.50.0000.00817.67
8.1.40.0080.00017.79
8.1.30.0040.00418.00
8.1.20.0080.00017.91
8.1.10.0040.00417.77
8.1.00.0050.00317.84
8.0.300.0000.00718.77
8.0.290.0070.00017.13
8.0.280.0030.00318.70
8.0.270.0030.00317.49
8.0.260.0080.00017.49
8.0.250.0070.00017.20
8.0.240.0050.00317.38
8.0.230.0070.00017.21
8.0.220.0000.00717.16
8.0.210.0040.00417.29
8.0.200.0070.00017.23
8.0.190.0080.00017.21
8.0.180.0000.00717.37
8.0.170.0000.00717.17
8.0.160.0020.00517.16
8.0.150.0000.00717.09
8.0.140.0000.00817.27
8.0.130.0060.00013.69
8.0.120.0000.00717.09
8.0.110.0050.00317.23
8.0.100.0000.00717.13
8.0.90.0000.00717.04
8.0.80.0100.01017.26
8.0.70.0040.00417.21
8.0.60.0030.00517.07
8.0.50.0040.00417.34
8.0.30.0080.01217.57
8.0.20.0100.00917.48
8.0.10.0040.00417.45
8.0.00.0090.00917.08
7.4.330.0000.00515.34
7.4.320.0000.00616.80
7.4.300.0080.00016.87
7.4.290.0000.00716.96
7.4.280.0040.00416.78
7.4.270.0000.00716.96
7.4.260.0030.00316.83
7.4.250.0040.00416.77
7.4.240.0040.00416.75
7.4.230.0000.00716.97
7.4.220.0030.01416.94
7.4.210.0060.00916.84
7.4.200.0000.00716.91
7.4.160.0100.00616.89
7.4.150.0120.00617.40
7.4.140.0090.00917.86
7.4.130.0170.00116.73
7.4.120.0070.01416.87
7.4.110.0030.01316.77
7.4.100.0160.00316.94
7.4.90.0130.00716.73
7.4.80.0090.00919.39
7.4.70.0060.01116.81
7.4.60.0080.00816.81
7.4.50.0040.00416.82
7.4.40.0030.01316.63
7.4.30.0100.00716.82
7.4.00.0060.00915.07
7.3.330.0060.00013.58
7.3.320.0030.00313.71
7.3.310.0030.00316.67
7.3.300.0000.00716.66
7.3.290.0030.01016.61
7.3.280.0100.00916.66
7.3.270.0070.01017.40
7.3.260.0170.00716.59
7.3.250.0100.00716.69
7.3.240.0060.00916.58
7.3.230.0130.01116.89
7.3.210.0030.01316.85
7.3.200.0120.00619.39
7.3.190.0110.00716.83
7.3.180.0150.00716.73
7.3.170.0040.01216.71
7.3.160.0130.00316.87
7.3.120.0100.00715.14
7.3.10.0180.01116.32
7.3.00.0080.00816.25
7.2.330.0110.00716.83
7.2.320.0100.00717.02
7.2.310.0070.01116.81
7.2.300.0140.00416.96
7.2.290.0090.00917.11
7.2.130.0130.01016.89
7.2.120.0120.01216.34
7.2.110.0030.01116.58
7.2.100.0130.01016.55
7.2.90.0120.01416.68
7.2.80.0100.01016.53
7.2.70.0180.01116.83
7.2.60.0090.00916.59
7.2.50.0110.00516.57
7.2.40.0130.01016.52
7.2.30.0120.01216.56
7.2.20.0190.00316.34
7.2.10.0100.01616.50
7.2.00.0110.01018.36
7.1.250.0100.00715.78
7.1.100.0030.00918.44
7.1.70.0060.00317.15
7.1.60.0100.01319.70
7.1.50.0190.01334.94
7.1.00.0030.07722.61
7.0.200.0030.00616.77
7.0.140.0000.07322.12
7.0.60.0070.08319.95
7.0.50.0000.05718.00
7.0.40.0000.05720.05
7.0.30.0530.05720.38
7.0.20.0200.04320.34
7.0.10.0130.05020.37
7.0.00.0100.04720.33
5.6.280.0030.07321.08
5.6.210.0170.07020.56
5.6.200.0130.09018.23
5.6.190.0070.08320.85
5.6.180.1870.04020.80
5.6.170.0270.04720.65
5.6.160.0030.05720.54
5.6.150.0070.08018.41
5.6.140.0070.04718.27
5.6.130.0100.07018.35
5.6.120.0000.09321.06
5.6.110.0070.08321.14
5.6.100.0100.08321.17
5.6.90.0200.07321.10
5.6.80.0130.07320.45
5.6.70.3070.03020.53
5.5.350.0070.08720.45
5.5.340.0030.06318.13
5.5.330.0100.05020.30
5.5.320.0230.06020.44
5.5.310.0330.06720.45
5.5.300.0070.08317.99
5.5.290.0030.04318.06
5.5.280.0200.07020.93
5.5.270.0030.06320.78
5.5.260.0130.07720.93
5.5.250.0070.03720.83
5.5.240.0230.07020.22
5.4.450.0230.04719.63
5.4.440.0430.04319.62
5.4.430.0230.04719.53
5.4.420.0400.04019.41
5.4.410.0270.04019.41
5.4.400.0370.03719.25
5.4.390.0270.04019.30
5.4.380.0170.05018.56
5.4.370.0100.05718.89
5.4.360.0170.05018.86
5.4.350.0170.05318.77
5.4.340.0230.04318.54
5.4.320.0050.03912.71
5.4.310.0030.04012.70
5.4.300.0050.03912.70
5.4.290.0050.03912.70
5.4.280.0030.03912.60
5.4.270.0080.03612.60
5.4.260.0060.03812.60
5.4.250.0050.04212.59
5.4.240.0090.03312.60
5.4.230.0060.03812.59
5.4.220.0070.03712.59
5.4.210.0040.03812.59
5.4.200.0070.04812.59
5.4.190.0060.04812.59
5.4.180.0120.05212.59
5.4.170.0070.04112.59
5.4.160.0050.03812.59
5.4.150.0030.04012.59
5.4.140.0080.03612.27
5.4.130.0090.03212.26
5.4.120.0050.04212.22
5.4.110.0060.03512.21
5.4.100.0050.04512.21
5.4.90.0070.03612.21
5.4.80.0080.03712.21
5.4.70.0060.04212.21
5.4.60.0030.03912.21
5.4.50.0080.05112.21
5.4.40.0090.03012.20
5.4.30.0060.03512.20
5.4.20.0080.03412.20
5.4.10.0060.03512.20
5.4.00.0040.03811.68
5.3.290.0070.03912.97
5.3.280.0070.04012.91
5.3.270.0060.04012.91
5.3.260.0050.04012.91
5.3.250.0070.03512.91
5.3.240.0090.04112.91
5.3.230.0110.03312.91
5.3.220.0040.04112.87
5.3.210.0040.04212.88
5.3.200.0070.04112.87
5.3.190.0040.04212.88
5.3.180.0070.03512.87
5.3.170.0050.03812.87
5.3.160.0050.03812.87
5.3.150.0070.03612.87
5.3.140.0070.03612.86
5.3.130.0060.03912.86
5.3.120.0070.03712.86
5.3.110.0060.03912.86
5.3.100.0120.03912.34
5.3.90.0030.04412.32
5.3.80.0060.03712.31
5.3.70.0080.03412.31
5.3.60.0030.03912.30
5.3.50.0080.03512.25
5.3.40.0040.04012.25
5.3.30.0050.03712.21
5.3.20.0060.03611.99
5.3.10.0050.03711.95
5.3.00.0120.03211.94
5.2.170.0050.0309.45
5.2.160.0040.0309.45
5.2.150.0020.0329.45
5.2.140.0050.0319.45
5.2.130.0050.0309.40
5.2.120.0090.0379.40
5.2.110.0080.0349.41
5.2.100.0090.0279.41
5.2.90.0050.0359.40
5.2.80.0050.0349.40
5.2.70.0050.0319.39
5.2.60.0060.0299.35
5.2.50.0060.0309.31
5.2.40.0040.0319.29
5.2.30.0060.0289.27
5.2.20.0050.0289.26
5.2.10.0030.0299.16
5.2.00.0040.0299.03
5.1.60.0060.0228.30
5.1.50.0060.0298.29
5.1.40.0040.0278.28
5.1.30.0050.0268.63
5.1.20.0000.0318.61
5.1.10.0040.0288.33
5.1.00.0050.0258.19
5.0.50.0050.0196.82
5.0.40.0070.0166.68
5.0.30.0030.0326.49
5.0.20.0050.0196.45
5.0.10.0030.0206.43
5.0.00.0020.0336.43
4.4.90.0030.0154.78
4.4.80.0040.0144.75
4.4.70.0020.0174.75
4.4.60.0010.0174.75
4.4.50.0020.0164.77
4.4.40.0040.0244.71
4.4.30.0010.0234.75
4.4.20.0020.0164.85
4.4.10.0010.0174.85
4.4.00.0020.0254.76
4.3.110.0030.0154.67
4.3.100.0020.0164.67
4.3.90.0020.0154.64
4.3.80.0010.0264.59
4.3.70.0050.0184.63
4.3.60.0040.0164.63
4.3.50.0030.0174.63
4.3.40.0010.0264.54
4.3.30.0010.0183.30
4.3.20.0020.0163.28
4.3.10.0020.0163.24
4.3.00.0130.01014.70

preferences:
56.97 ms | 401 KiB | 5 Q