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)
8.3.60.0090.00617.00
8.3.50.0100.00622.18
8.3.40.0120.00319.04
8.3.30.0030.01019.42
8.3.20.0040.00420.54
8.3.10.0080.00023.90
8.3.00.0080.00019.93
8.2.180.0150.00616.88
8.2.170.0140.00722.96
8.2.160.0070.01020.68
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0080.00021.47
8.2.110.0060.00322.45
8.2.100.0110.00018.47
8.2.90.0000.00819.52
8.2.80.0080.00017.97
8.2.70.0030.00617.75
8.2.60.0050.00518.41
8.2.50.0060.00318.07
8.2.40.0080.00018.59
8.2.30.0000.00718.61
8.2.20.0050.00218.12
8.2.10.0050.00218.37
8.2.00.0060.00318.04
8.1.280.0090.00925.92
8.1.270.0060.00324.14
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00723.97
8.1.230.0000.01119.41
8.1.220.0030.00518.03
8.1.210.0000.00918.77
8.1.200.0030.00617.85
8.1.190.0050.00317.50
8.1.180.0030.00518.10
8.1.170.0040.00718.93
8.1.160.0040.00422.32
8.1.150.0040.00419.14
8.1.140.0000.00817.73
8.1.130.0030.00318.05
8.1.120.0030.00317.82
8.1.110.0040.00417.85
8.1.100.0050.00317.77
8.1.90.0000.00717.79
8.1.80.0000.00817.64
8.1.70.0030.00317.61
8.1.60.0050.00317.81
8.1.50.0000.00717.74
8.1.40.0040.00417.71
8.1.30.0000.00817.97
8.1.20.0000.00918.03
8.1.10.0000.00817.89
8.1.00.0000.00817.69
8.0.300.0000.00718.77
8.0.290.0000.00717.25
8.0.280.0040.00418.74
8.0.270.0030.00317.57
8.0.260.0000.00818.78
8.0.250.0000.00717.27
8.0.240.0000.00717.33
8.0.230.0030.00317.32
8.0.220.0000.00717.13
8.0.210.0030.00317.28
8.0.200.0040.00417.17
8.0.190.0000.00717.33
8.0.180.0070.00017.11
8.0.170.0000.00717.20
8.0.160.0000.00717.24
8.0.150.0070.00017.27
8.0.140.0000.00717.05
8.0.130.0000.00513.64
8.0.120.0030.00517.23
8.0.110.0000.00717.26
8.0.100.0040.00417.04
8.0.90.0000.00817.35
8.0.80.0060.00917.22
8.0.70.0040.00417.09
8.0.60.0050.00317.30
8.0.50.0070.00017.19
8.0.30.0080.01117.31
8.0.20.0100.00917.68
8.0.10.0040.00417.20
8.0.00.0100.00916.91
7.4.330.0050.00015.32
7.4.320.0000.00716.98
7.4.300.0000.00616.81
7.4.290.0030.00316.93
7.4.280.0030.00616.95
7.4.270.0000.00716.71
7.4.260.0000.00716.88
7.4.250.0030.00516.95
7.4.240.0030.00516.87
7.4.230.0030.00316.69
7.4.220.0180.00616.97
7.4.210.0100.00716.76
7.4.200.0040.00416.96
7.4.160.0070.01016.81
7.4.150.0130.00617.40
7.4.140.0110.00617.86
7.4.130.0130.00616.80
7.4.120.0110.00716.82
7.4.110.0070.01016.88
7.4.100.0120.00916.72
7.4.90.0070.01116.94
7.4.80.0100.01019.39
7.4.70.0000.01916.84
7.4.60.0110.00616.88
7.4.50.0000.00916.89
7.4.40.0080.00816.90
7.4.30.0090.00917.01
7.4.00.0050.01115.17
7.3.330.0050.00013.45
7.3.320.0030.00313.59
7.3.310.0000.00716.58
7.3.300.0070.00016.59
7.3.290.0080.00816.61
7.3.280.0070.01016.63
7.3.270.0130.01017.40
7.3.260.0140.00716.89
7.3.250.0110.01116.67
7.3.240.0100.00616.93
7.3.230.0170.00716.68
7.3.210.0000.01616.66
7.3.200.0100.01019.39
7.3.190.0150.00616.79
7.3.180.0090.00616.59
7.3.170.0120.00616.83
7.3.160.0100.00616.70
7.3.120.0040.01015.05
7.3.110.0060.00914.92
7.3.100.0080.00815.07
7.3.90.0030.00614.91
7.3.80.0090.00015.11
7.3.70.0060.01215.01
7.3.60.0040.01114.91
7.3.50.0100.00715.02
7.3.40.0090.00914.95
7.3.30.0030.00815.01
7.3.20.0000.01116.74
7.3.10.0090.00616.89
7.3.00.0060.00916.79
7.2.330.0120.00616.75
7.2.320.0090.00917.11
7.2.310.0120.01017.09
7.2.300.0100.00916.99
7.2.290.0100.00717.11
7.2.250.0150.00415.17
7.2.240.0030.01515.18
7.2.230.0120.00415.33
7.2.220.0070.01115.33
7.2.210.0100.00715.17
7.2.200.0070.00715.18
7.2.190.0070.00715.21
7.2.180.0130.00715.11
7.2.170.0030.01215.17
7.2.60.0090.00617.07
7.2.00.0070.01019.35
7.1.330.0070.00716.01
7.1.320.0000.01616.06
7.1.310.0100.00715.94
7.1.300.0030.00615.91
7.1.290.0100.01015.92
7.1.280.0030.01515.84
7.1.270.0050.00515.91
7.1.260.0070.00715.93
7.1.200.0080.00815.77
7.1.100.0090.00617.91
7.1.70.0030.01017.44
7.1.60.0090.01619.70
7.1.50.0110.01116.89
7.1.00.0100.07022.52
7.0.200.0030.01016.86
7.0.140.0070.07022.20
7.0.100.0130.06320.08
7.0.90.0070.05320.22
7.0.80.0100.05019.95
7.0.70.0030.07720.00
7.0.60.0130.04719.95
7.0.50.0230.06720.46
7.0.40.0070.06020.04
7.0.30.0000.06320.19
7.0.20.0000.05320.25
7.0.10.0000.04720.21
7.0.00.0000.06720.07
5.6.250.0130.04720.75
5.6.240.0070.06720.67
5.6.230.0100.06320.80
5.6.220.0100.05020.79
5.6.210.0030.05320.71
5.6.200.0100.04321.14
5.6.190.0100.04721.14
5.6.180.0070.05721.24
5.6.170.0100.04321.17
5.6.160.0070.06021.14
5.6.150.0170.04721.20
5.6.140.0170.04021.21
5.6.130.0100.04721.29
5.6.120.0000.06021.00
5.6.110.0070.06321.17
5.6.100.0170.03321.07
5.6.90.0130.06321.00
5.6.80.0030.05320.61
5.6.70.0070.08020.49
5.6.60.0100.03320.55
5.6.50.0070.04720.59
5.6.40.0100.06320.56
5.6.30.0000.05020.45
5.6.20.0000.06720.49
5.6.10.0030.04320.60
5.6.00.0100.03320.54
5.5.380.0100.06720.48
5.5.370.0030.05720.63
5.5.360.0100.04320.62
5.5.350.0000.06720.46
5.5.340.0000.07021.07
5.5.330.0130.05720.97
5.5.320.0030.05720.89
5.5.310.0100.04321.04
5.5.300.0000.06320.89
5.5.290.0100.04020.78
5.5.280.0070.07021.04
5.5.270.0030.04720.82
5.5.260.0130.04320.74
5.5.250.0070.05720.82
5.5.240.0100.04020.29
5.5.230.0000.07320.42
5.5.220.0130.06020.28
5.5.210.0070.05020.40
5.5.200.0070.05720.40
5.5.190.0200.04020.34
5.5.180.0070.05020.22
5.5.160.0070.06720.27
5.5.150.0130.04320.28
5.5.140.0070.04020.30
5.5.130.0070.03720.41
5.5.120.0070.03720.24
5.5.110.0030.05020.36
5.5.100.0000.05320.18
5.5.90.0070.04320.11
5.5.80.0170.03320.11
5.5.70.0070.06720.12
5.5.60.0030.05320.20
5.5.50.0030.04020.18
5.5.40.0070.05320.09
5.5.30.0170.03020.12
5.5.20.0070.04320.27
5.5.10.0030.07320.16
5.5.00.0030.05020.16
5.4.450.0070.06319.57
5.4.440.0130.07019.57
5.4.430.0030.04019.45
5.4.420.0000.08019.61
5.4.410.0170.04319.43
5.4.400.0100.05719.08
5.4.390.0030.04019.24
5.4.380.0070.04019.23
5.4.370.0170.05319.11
5.4.360.0070.06019.25
5.4.350.0100.04019.36
5.4.340.0030.06719.24
5.4.320.0170.04319.02
5.4.310.0070.04319.27
5.4.300.0170.04019.24
5.4.290.0030.04019.25
5.4.280.0070.03719.36
5.4.270.0070.03719.23
5.4.260.0030.06019.30
5.4.250.0030.05019.25
5.4.240.0100.03319.24
5.4.230.0070.06319.36
5.4.220.0070.03719.21
5.4.210.0030.04019.21
5.4.200.0000.05019.12
5.4.190.0100.05719.21
5.4.180.0030.04318.91
5.4.170.0030.05719.22
5.4.160.0000.04319.26
5.4.150.0000.04319.34
5.4.140.0000.04316.58
5.4.130.0070.03716.66
5.4.120.0070.03316.54
5.4.110.0030.03716.55
5.4.100.0100.03316.55
5.4.90.0000.04316.43
5.4.80.0070.04316.52
5.4.70.0030.03716.52
5.4.60.0030.04016.73
5.4.50.0000.04316.54
5.4.40.0000.05316.53
5.4.30.0030.04316.72
5.4.20.0030.03716.57
5.4.10.0100.04716.45
5.4.00.0000.05316.01
5.3.290.0000.06314.89
5.3.280.0030.06714.86
5.3.270.0030.06714.88
5.3.260.0030.04314.88
5.3.250.0070.05714.83
5.3.240.0100.05014.70
5.3.230.0030.04714.82
5.3.220.0100.03714.83
5.3.210.0030.04314.62
5.3.200.0070.04014.83
5.3.190.0070.05714.72
5.3.180.0030.04014.69
5.3.170.0030.03714.70
5.3.160.0000.06014.72
5.3.150.0100.03314.79
5.3.140.0030.04314.83
5.3.130.0100.03314.82
5.3.120.0030.04714.77
5.3.110.0000.04314.78
5.3.100.0030.04314.20
5.3.90.0030.06014.28
5.3.80.0070.04314.16
5.3.70.0030.04714.01
5.3.60.0030.05014.18
5.3.50.0030.04714.13
5.3.40.0100.04713.93
5.3.30.0100.03314.20
5.3.20.0030.04713.85
5.3.10.0030.03713.84
5.3.00.0070.04313.78
5.2.170.0070.03711.35
5.2.160.0030.04711.12
5.2.150.0030.04311.36
5.2.140.0030.06011.32
5.2.130.0030.03011.32
5.2.120.0000.03311.25
5.2.110.0000.04011.31
5.2.100.0070.03311.29
5.2.90.0070.02711.36
5.2.80.0070.04011.19
5.2.70.0030.03011.25
5.2.60.0030.04311.23
5.2.50.0100.03711.23
5.2.40.0000.04311.27
5.2.30.0000.05310.97
5.2.20.0070.02711.04
5.2.10.0000.04311.13
5.2.00.0130.03710.80
5.1.60.0030.02710.20
5.1.50.0030.04010.13
5.1.40.0000.03310.25
5.1.30.0000.04010.55
5.1.20.0100.02310.53
5.1.10.0070.04010.16
5.1.00.0070.04710.16
5.0.50.0000.0379.58
5.0.40.0000.0339.58
5.0.30.0000.0439.58
5.0.20.0000.0279.58
5.0.10.0000.0409.58
5.0.00.0100.0479.58
4.4.90.0000.0179.58
4.4.80.0000.0339.58
4.4.70.0000.0179.58
4.4.60.0030.0179.58
4.4.50.0070.0209.58
4.4.40.0070.0339.58
4.4.30.0000.0239.58
4.4.20.0030.0179.58
4.4.10.0030.0209.58
4.4.00.0000.0379.58
4.3.110.0030.0239.58
4.3.100.0030.0209.58
4.3.90.0000.0379.58
4.3.80.0030.0279.58
4.3.70.0100.0209.58
4.3.60.0100.0109.58
4.3.50.0130.0179.58
4.3.40.0000.0339.58
4.3.30.0000.0179.58
4.3.20.0030.0209.58
4.3.10.0000.0339.58
4.3.00.0030.0139.58

preferences:
43.99 ms | 401 KiB | 5 Q