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>'); echo $doc->x; //$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)
8.3.60.0150.00616.75
8.3.50.0110.00622.02
8.3.40.0110.00418.79
8.3.30.0000.01419.25
8.3.20.0040.00420.41
8.3.10.0040.00423.86
8.3.00.0040.00419.67
8.2.180.0120.00916.75
8.2.170.0120.00322.96
8.2.160.0030.01320.72
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.22
8.2.110.0030.00622.41
8.2.100.0060.00618.47
8.2.90.0040.00419.43
8.2.80.0040.00417.97
8.2.70.0080.00017.88
8.2.60.0050.00318.16
8.2.50.0050.00518.07
8.2.40.0050.00318.41
8.2.30.0080.00018.58
8.2.20.0070.00017.95
8.2.10.0040.00420.06
8.2.00.0000.00817.95
8.1.280.0040.01125.92
8.1.270.0000.00824.07
8.1.260.0050.00226.35
8.1.250.0080.00028.09
8.1.240.0090.00024.04
8.1.230.0040.00719.47
8.1.220.0000.00818.01
8.1.210.0040.00418.77
8.1.200.0060.00317.61
8.1.190.0080.00017.38
8.1.180.0030.00518.10
8.1.170.0040.00618.79
8.1.160.0050.00222.14
8.1.150.0000.00719.08
8.1.140.0070.00017.66
8.1.130.0000.00718.02
8.1.120.0070.00017.62
8.1.110.0000.00717.69
8.1.100.0000.00717.63
8.1.90.0000.00717.63
8.1.80.0030.00517.68
8.1.70.0030.00317.49
8.1.60.0030.00517.68
8.1.50.0080.00017.75
8.1.40.0040.00417.80
8.1.30.0080.00017.90
8.1.20.0030.00517.71
8.1.10.0040.00417.93
8.1.00.0050.00317.74
8.0.300.0000.00818.77
8.0.290.0000.00717.00
8.0.280.0070.00018.71
8.0.270.0000.00717.51
8.0.260.0000.00618.60
8.0.250.0000.00717.26
8.0.240.0030.00517.23
8.0.230.0000.00717.17
8.0.220.0070.00016.98
8.0.210.0000.00717.14
8.0.200.0030.00517.20
8.0.190.0000.00717.21
8.0.180.0040.00417.17
8.0.170.0040.00417.15
8.0.160.0000.00717.16
8.0.150.0000.00817.08
8.0.140.0050.00217.04
8.0.130.0060.00013.58
8.0.120.0040.00417.09
8.0.110.0000.00817.16
8.0.100.0050.00316.90
8.0.90.0040.00417.13
8.0.80.0070.01417.03
8.0.70.0040.00417.20
8.0.60.0000.00717.13
8.0.50.0000.00817.14
8.0.30.0080.01217.29
8.0.20.0100.01217.43
8.0.10.0000.00716.98
8.0.00.0110.00816.99
7.4.330.0000.00515.17
7.4.320.0040.00416.79
7.4.300.0030.00316.66
7.4.290.0030.00516.64
7.4.280.0030.00516.82
7.4.270.0080.00016.69
7.4.260.0000.00816.68
7.4.250.0040.00416.52
7.4.240.0050.00316.72
7.4.230.0000.00716.76
7.4.220.0130.01316.74
7.4.210.0100.00316.76
7.4.200.0080.00016.80
7.4.160.0150.00616.82
7.4.150.0030.01717.40
7.4.140.0130.00317.86
7.4.130.0030.01516.68
7.4.120.0090.01216.69
7.4.110.0100.00716.66
7.4.100.0110.00616.80
7.4.90.0110.00716.66
7.4.80.0080.01619.39
7.4.70.0040.01216.72
7.4.60.0070.01016.56
7.4.50.0050.00016.63
7.4.40.0030.01416.70
7.4.30.0140.00316.64
7.4.00.0110.00715.00
7.3.330.0000.00513.42
7.3.320.0050.00013.18
7.3.310.0000.00716.30
7.3.300.0070.00016.23
7.3.290.0160.00016.37
7.3.280.0130.00416.43
7.3.270.0080.00917.40
7.3.260.0090.01216.52
7.3.250.0090.00816.77
7.3.240.0130.00316.43
7.3.230.0190.00316.56
7.3.210.0120.00916.62
7.3.200.0150.00619.39
7.3.190.0120.00616.65
7.3.180.0090.00616.31
7.3.170.0000.01716.50
7.3.160.0040.01216.52
7.3.120.0030.01314.85
7.3.10.0100.00316.68
7.3.00.0030.01016.52
7.2.330.0070.01016.75
7.2.320.0060.01016.67
7.2.310.0060.01017.02
7.2.300.0120.01216.96
7.2.290.0100.00617.07
7.2.130.0040.00417.01
7.2.120.0000.01316.95
7.2.110.0030.00916.88
7.2.100.0030.01317.01
7.2.90.0080.00417.04
7.2.80.0030.00917.18
7.2.70.0070.00716.98
7.2.60.0000.00917.11
7.2.50.0040.01116.92
7.2.40.0070.00316.92
7.2.30.0080.00317.11
7.2.20.0080.00616.79
7.2.10.0080.00817.16
7.2.00.0030.01218.36
7.1.250.0050.00316.06
7.1.100.0080.00618.01
7.1.70.0070.00017.11
7.1.60.0100.01319.70
7.1.50.0110.01116.78
7.1.00.0130.06722.44
7.0.200.0050.00316.70
7.0.140.0000.07722.21
7.0.60.0030.08320.07
7.0.50.0030.06717.95
7.0.40.0130.07720.48
7.0.30.0670.05720.19
7.0.20.0170.04720.20
7.0.10.0000.09320.33
7.0.00.0030.04320.30
5.6.280.0100.06321.18
5.6.210.0100.07720.57
5.6.200.0100.07718.22
5.6.190.0100.07320.53
5.6.180.3070.04320.59
5.6.170.0430.07020.57
5.6.160.0070.07020.66
5.6.150.0070.07318.36
5.6.140.0070.08718.30
5.6.130.0070.09018.35
5.6.120.0000.06021.04
5.6.110.0070.04321.13
5.6.100.0100.08021.04
5.6.90.0170.07720.99
5.6.80.0000.04320.45
5.6.70.4430.04720.39
5.5.350.0030.08320.55
5.5.340.0000.08018.15
5.5.330.0230.04020.38
5.5.320.0530.03720.38
5.5.310.0270.06320.38
5.5.300.0070.04018.15
5.5.290.0000.07018.17
5.5.280.0070.05720.86
5.5.270.0070.07720.77
5.5.260.0070.07720.93
5.5.250.0030.06720.83
5.5.240.0270.05320.25
5.4.450.0230.04719.36
5.4.440.0230.05019.71
5.4.430.0370.04019.61
5.4.420.0430.04019.46
5.4.410.0570.04319.25
5.4.400.0330.04019.32
5.4.390.0170.04719.32
5.4.380.0200.06718.75
5.4.370.0130.07018.75
5.4.360.0130.05018.80
5.4.350.0170.05018.83
5.4.340.0170.05018.86
5.4.320.0080.03912.65
5.4.310.0060.03812.65
5.4.300.0050.03712.66
5.4.290.0090.03412.65
5.4.280.0050.03612.55
5.4.270.0090.03312.54
5.4.260.0070.03812.54
5.4.250.0060.03812.55
5.4.240.0080.03512.55
5.4.230.0040.04012.54
5.4.220.0050.03812.54
5.4.210.0070.03512.54
5.4.200.0060.03812.54
5.4.190.0050.03812.54
5.4.180.0090.04112.54
5.4.170.0040.04612.55
5.4.160.0050.03812.55
5.4.150.0050.03812.54
5.4.140.0050.03712.22
5.4.130.0040.03712.21
5.4.120.0090.03112.17
5.4.110.0030.03712.16
5.4.100.0050.03912.17
5.4.90.0040.03812.16
5.4.80.0030.03812.16
5.4.70.0070.05112.16
5.4.60.0060.03812.16
5.4.50.0070.03612.16
5.4.40.0070.04612.15
5.4.30.0020.03912.15
5.4.20.0090.03412.15
5.4.10.0060.03412.15
5.4.00.0070.03411.64
5.3.290.0050.04112.92
5.3.280.0060.04212.85
5.3.270.0070.03912.86
5.3.260.0100.03712.86
5.3.250.0100.04312.86
5.3.240.0060.03812.86
5.3.230.0050.05312.85
5.3.220.0090.03812.82
5.3.210.0100.04012.82
5.3.200.0040.03912.81
5.3.190.0030.04212.82
5.3.180.0100.03412.82
5.3.170.0070.03712.81
5.3.160.0080.03412.82
5.3.150.0080.03512.81
5.3.140.0040.03912.80
5.3.130.0070.04112.81
5.3.120.0070.03912.80
5.3.110.0050.04012.80
5.3.100.0070.03712.29
5.3.90.0050.04512.27
5.3.80.0050.03812.26
5.3.70.0050.03712.27
5.3.60.0090.03312.25
5.3.50.0050.04112.19
5.3.40.0130.04412.20
5.3.30.0080.04012.16
5.3.20.0080.03411.94
5.3.10.0080.03411.90
5.3.00.0060.03611.89
5.2.170.0070.0289.39
5.2.160.0050.0299.39
5.2.150.0060.0299.39
5.2.140.0050.0309.39
5.2.130.0070.0319.35
5.2.120.0120.0339.35
5.2.110.0050.0399.36
5.2.100.0100.0249.35
5.2.90.0050.0309.35
5.2.80.0070.0309.34
5.2.70.0080.0319.34
5.2.60.0060.0319.29
5.2.50.0040.0339.26
5.2.40.0070.0399.24
5.2.30.0070.0349.21
5.2.20.0050.0319.21
5.2.10.0080.0269.11
5.2.00.0070.0368.98
5.1.60.0070.0228.25
5.1.50.0010.0288.25
5.1.40.0050.0248.24
5.1.30.0070.0238.59
5.1.20.0050.0268.60
5.1.10.0050.0268.32
5.1.00.0020.0288.19
5.0.50.0050.0196.81
5.0.40.0030.0206.67
5.0.30.0050.0306.48
5.0.20.0040.0196.45
5.0.10.0030.0206.43
5.0.00.0050.0296.43
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0010.0174.75
4.4.60.0020.0164.76
4.4.50.0030.0164.77
4.4.40.0030.0274.70
4.4.30.0060.0124.76
4.4.20.0020.0164.84
4.4.10.0030.0154.85
4.4.00.0020.0254.76
4.3.110.0030.0154.66
4.3.100.0020.0154.67
4.3.90.0020.0154.63
4.3.80.0040.0244.58
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0020.0164.63
4.3.40.0020.0254.53
4.3.30.0030.0153.30
4.3.20.0050.0133.28
4.3.10.0010.0163.24
4.3.00.0070.01714.70

preferences:
69.21 ms | 400 KiB | 5 Q