3v4l.org

run code in 300+ PHP versions simultaneously
<?php function arrayToXml($data, \SimpleXmlElement $element, $parent = null) { foreach ($data as $key => $value) { echo $key; if (is_array($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)
8.3.60.0110.00418.93
8.3.50.0130.00222.24
8.3.40.0120.00319.19
8.3.30.0120.00319.29
8.3.20.0070.00020.55
8.3.10.0040.00423.89
8.3.00.0040.00419.88
8.2.180.0150.00718.48
8.2.170.0150.00022.96
8.2.160.0030.01320.72
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0060.00321.21
8.2.110.0060.00320.79
8.2.100.0040.00817.97
8.2.90.0000.00918.47
8.2.80.0040.00417.97
8.2.70.0050.00517.88
8.2.60.0040.00418.18
8.2.50.0030.00618.07
8.2.40.0060.00318.28
8.2.30.0070.00018.61
8.2.20.0000.00818.09
8.2.10.0000.00818.41
8.2.00.0050.00218.15
8.1.280.0040.01125.92
8.1.270.0060.00324.08
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0070.00322.36
8.1.230.0040.00821.16
8.1.220.0060.00317.93
8.1.210.0090.00019.22
8.1.200.0030.00617.73
8.1.190.0040.00417.73
8.1.180.0040.00418.10
8.1.170.0000.00818.81
8.1.160.0080.00022.32
8.1.150.0040.00419.21
8.1.140.0040.00417.80
8.1.130.0000.00718.15
8.1.120.0040.00417.83
8.1.110.0030.00517.68
8.1.100.0000.00717.83
8.1.90.0000.00717.76
8.1.80.0050.00217.67
8.1.70.0000.00817.65
8.1.60.0060.00317.83
8.1.50.0050.00317.88
8.1.40.0030.00617.80
8.1.30.0030.00517.98
8.1.20.0080.00017.99
8.1.10.0060.00317.87
8.1.00.0030.00517.84
8.0.300.0040.00420.41
8.0.290.0000.00717.25
8.0.280.0040.00418.74
8.0.270.0030.00317.49
8.0.260.0030.00317.53
8.0.250.0000.00817.19
8.0.240.0030.00317.18
8.0.230.0050.00217.30
8.0.220.0070.00017.29
8.0.210.0000.00817.25
8.0.200.0040.00417.18
8.0.190.0030.00317.32
8.0.180.0040.00417.33
8.0.170.0040.00417.16
8.0.160.0060.00317.32
8.0.150.0040.00417.23
8.0.140.0070.00017.09
8.0.130.0060.00013.73
8.0.120.0040.00417.26
8.0.110.0000.00717.20
8.0.100.0080.00017.20
8.0.90.0040.00417.20
8.0.80.0120.00317.17
8.0.70.0030.00417.26
8.0.60.0060.00317.33
8.0.50.0000.00816.98
8.0.30.0120.01217.52
8.0.20.0120.01017.40
8.0.10.0000.00717.37
8.0.00.0080.01417.09
7.4.330.0000.00515.44
7.4.320.0030.00316.82
7.4.300.0060.00016.93
7.4.290.0000.00816.88
7.4.280.0030.00616.82
7.4.270.0080.00016.75
7.4.260.0000.00716.94
7.4.250.0040.00416.66
7.4.240.0050.00216.88
7.4.230.0030.00316.96
7.4.220.0210.00616.72
7.4.210.0090.00616.88
7.4.200.0030.00316.96
7.4.160.0080.00816.87
7.4.150.0070.01017.40
7.4.140.0090.00917.86
7.4.130.0100.01016.94
7.4.120.0120.00516.82
7.4.110.0120.01316.66
7.4.100.0120.00916.78
7.4.90.0070.01116.82
7.4.80.0090.00619.39
7.4.70.0100.00716.85
7.4.60.0080.00816.73
7.4.50.0060.00316.83
7.4.40.0100.00716.72
7.4.30.0110.00516.92
7.4.00.0040.01114.93
7.3.330.0030.00313.68
7.3.320.0030.00413.71
7.3.310.0040.00416.54
7.3.300.0070.00016.70
7.3.290.0060.00916.68
7.3.280.0090.00816.66
7.3.270.0190.00617.40
7.3.260.0120.01616.68
7.3.250.0130.00316.82
7.3.240.0060.01216.88
7.3.230.0150.01216.88
7.3.210.0130.00616.65
7.3.200.0120.01119.39
7.3.190.0100.00716.75
7.3.180.0060.00916.64
7.3.170.0130.00416.54
7.3.160.0040.01216.86
7.3.120.0060.01015.16
7.2.330.0130.01016.67
7.2.320.0110.00617.02
7.2.310.0100.01317.06
7.2.300.0060.01617.09
7.2.290.0100.00616.89
7.2.60.0040.01116.91
7.2.00.0060.00619.45
7.1.200.0030.00715.81
7.1.100.0060.00917.95
7.1.70.0000.00717.16
7.1.60.0070.01419.70
7.1.50.0000.01617.12
7.1.00.0070.07022.55
7.0.200.0060.00317.03
7.0.140.0000.07722.05
7.0.60.0130.05019.93
7.0.50.0030.04718.00
7.0.40.0070.04020.48
7.0.30.0230.05320.30
7.0.20.0230.06320.40
7.0.10.0170.06020.36
7.0.00.0170.07320.19
5.6.280.0030.09321.08
5.6.210.0000.04320.56
5.6.200.0130.08018.31
5.6.190.0070.06020.79
5.6.180.3800.04720.62
5.6.170.0230.04720.69
5.6.160.0030.05720.59
5.6.150.0100.04718.36
5.6.140.0070.08018.40
5.6.130.0000.05018.35
5.6.120.0130.05021.21
5.6.110.0100.08021.11
5.6.100.0270.07021.18
5.6.90.0130.04021.21
5.6.80.0130.07320.50
5.6.70.4570.04320.51
5.5.350.0070.07720.50
5.5.340.0030.05018.13
5.5.330.0030.09020.60
5.5.320.0300.06720.39
5.5.310.0330.07720.46
5.5.300.0030.08018.15
5.5.290.0170.05318.18
5.5.280.0030.04020.87
5.5.270.0100.08021.07
5.5.260.0130.08021.02
5.5.250.0070.08320.68
5.5.240.0270.07720.39
5.4.450.0270.05319.49
5.4.440.0730.04319.67
5.4.430.0400.03719.41
5.4.420.0470.03719.46
5.4.410.0300.04319.59
5.4.400.0370.04319.21
5.4.390.1000.03319.15
5.4.380.0100.06018.86
5.4.370.0130.05318.85
5.4.360.0130.05718.62
5.4.350.0170.05018.87
5.4.340.0170.05018.80
5.4.320.0070.03512.70
5.4.310.0060.03812.70
5.4.300.0070.03612.70
5.4.290.0060.03812.70
5.4.280.0040.04012.59
5.4.270.0070.03512.60
5.4.260.0060.03812.59
5.4.250.0090.04212.59
5.4.240.0050.04012.60
5.4.230.0070.03712.59
5.4.220.0050.03812.59
5.4.210.0060.03812.59
5.4.200.0040.04212.59
5.4.190.0050.03812.58
5.4.180.0060.03712.59
5.4.170.0050.03612.60
5.4.160.0040.03812.59
5.4.150.0050.03812.59
5.4.140.0080.03612.27
5.4.130.0060.04112.27
5.4.120.0070.03412.22
5.4.110.0070.03512.21
5.4.100.0070.03812.21
5.4.90.0080.03712.21
5.4.80.0070.03812.21
5.4.70.0090.03212.21
5.4.60.0080.03412.21
5.4.50.0050.03712.21
5.4.40.0040.04112.20
5.4.30.0080.03412.20
5.4.20.0050.03612.20
5.4.10.0080.04912.20
5.4.00.0050.04611.69
5.3.290.0060.04412.98
5.3.280.0030.04112.90
5.3.270.0110.04912.92
5.3.260.0080.03912.91
5.3.250.0050.03812.91
5.3.240.0100.03412.91
5.3.230.0070.03812.91
5.3.220.0060.03712.87
5.3.210.0030.04312.88
5.3.200.0060.03612.88
5.3.190.0070.03612.88
5.3.180.0080.03412.87
5.3.170.0080.03412.87
5.3.160.0100.03712.87
5.3.150.0070.04312.87
5.3.140.0060.03912.86
5.3.130.0080.03912.86
5.3.120.0070.03812.86
5.3.110.0050.04112.86
5.3.100.0050.04712.34
5.3.90.0040.03812.32
5.3.80.0080.03512.32
5.3.70.0040.03912.32
5.3.60.0080.03512.30
5.3.50.0040.04312.25
5.3.40.0080.03712.25
5.3.30.0060.03512.21
5.3.20.0030.04011.99
5.3.10.0060.03511.95
5.3.00.0080.03511.94
5.2.170.0050.0309.45
5.2.160.0060.0289.45
5.2.150.0070.0319.45
5.2.140.0070.0289.44
5.2.130.0040.0299.41
5.2.120.0070.0269.40
5.2.110.0070.0279.41
5.2.100.0030.0299.41
5.2.90.0040.0309.40
5.2.80.0060.0299.40
5.2.70.0030.0329.40
5.2.60.0060.0309.35
5.2.50.0040.0319.31
5.2.40.0050.0289.29
5.2.30.0040.0309.26
5.2.20.0030.0309.26
5.2.10.0050.0279.15
5.2.00.0040.0299.02
5.1.60.0050.0238.30
5.1.50.0030.0258.30
5.1.40.0030.0258.28
5.1.30.0020.0298.63
5.1.20.0050.0268.61
5.1.10.0040.0268.33
5.1.00.0040.0278.19
5.0.50.0020.0266.82
5.0.40.0060.0186.68
5.0.30.0050.0316.49
5.0.20.0020.0246.45
5.0.10.0020.0286.43
5.0.00.0040.0416.43
4.4.90.0030.0224.78
4.4.80.0050.0214.75
4.4.70.0020.0194.75
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0050.0234.71
4.4.30.0030.0154.76
4.4.20.0010.0174.84
4.4.10.0060.0124.85
4.4.00.0040.0234.76
4.3.110.0040.0144.67
4.3.100.0010.0174.67
4.3.90.0040.0134.63
4.3.80.0030.0234.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0030.0234.54
4.3.30.0010.0163.30
4.3.20.0010.0173.29
4.3.10.0010.0163.24
4.3.00.0230.01314.69

preferences:
40.28 ms | 401 KiB | 5 Q