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Class Xml
XML handling for CakePHP.
The methods in these classes enable the datasources that use XML to work.
Method Summary
- Helper to _fromArray(). It will create childs of arrays
- Recursive method to create childs from array
- Parse the input data and create either a SimpleXmlElement object or a DOMDocument.
- Recursive method to toArray
- Initialize SimpleXMLElement or DOMDocument from a given XML string, file path, URL or array.
- Transform an array into a SimpleXMLElement
- Returns this XML structure as an array.
Method Detail
_createChild()source protected static
_createChild( array $data )
Helper to _fromArray(). It will create childs of arrays
Parameters
-
array
$data
- Array with information to create childs
_fromArray()source protected static
_fromArray( DOMDocument $dom , DOMElement $node , array $data , string $format )
Recursive method to create childs from array
Parameters
-
DOMDocument
$dom
- Handler to DOMDocument
-
DOMElement
$node
- Handler to DOMElement (child)
-
array
$data
- Array of data to append to the $node.
-
string
$format
- Either 'attributes' or 'tags'. This determines where nested keys go.
Throws
Cake\Utility\Exception\XmlException
_loadXml()source protected static
_loadXml( string $input , array $options )
Parse the input data and create either a SimpleXmlElement object or a DOMDocument.
Parameters
-
string
$input
- The input to load.
-
array
$options
- The options to use. See Xml::build()
Returns
SimpleXmlElement|DOMDocumentThrows
Cake\Utility\Exception\XmlException
_toArray()source protected static
_toArray( SimpleXMLElement $xml , array $parentData , string $ns , array $namespaces )
Recursive method to toArray
Parameters
-
SimpleXMLElement
$xml
- SimpleXMLElement object
-
array
$parentData
- Parent array with data
-
string
$ns
- Namespace of current child
-
array
$namespaces
- List of namespaces in XML
build()source public static
build( string|array $input , array $options [] )
Initialize SimpleXMLElement or DOMDocument from a given XML string, file path, URL or array.
Usage:
Building XML from a string:
$xml = Xml::build('<example>text</example>');
Building XML from string (output DOMDocument):
$xml = Xml::build('<example>text</example>', ['return' => 'domdocument']);
Building XML from a file path:
$xml = Xml::build('/path/to/an/xml/file.xml');
Building XML from a remote URL:
use Cake\Http\Client;
$http = new Client();
$response = $http->get('http://example.com/example.xml');
$xml = Xml::build($response->body());
Building from an array:
$value = [
'tags' => [
'tag' => [
[
'id' => '1',
'name' => 'defect'
],
[
'id' => '2',
'name' => 'enhancement'
]
]
]
];
$xml = Xml::build($value);
When building XML from an array ensure that there is only one top level element.
Options
return
Can be 'simplexml' to return object of SimpleXMLElement or 'domdocument' to return DOMDocument.loadEntities
Defaults to false. Set to true to enable loading of<!ENTITY
definitions. This is disabled by default for security reasons.readFile
Set to false to disable file reading. This is important to disable when putting user data into Xml::build(). If enabled local files will be read if they exist. Defaults to true for backwards compatibility reasons.parseHuge
Enable theLIBXML_PARSEHUGE
flag.
If using array as input, you can pass options
from Xml::fromArray.
Parameters
-
string|array
$input
- XML string, a path to a file, a URL or an array
-
array
$options
optional [] - The options to use
Returns
SimpleXMLElement|DOMDocumentSimpleXMLElement or DOMDocument
Throws
Cake\Utility\Exception\XmlException
fromArray()source public static
fromArray( array|Cake\Collection\Collection $input , string|array $options [] )
Transform an array into a SimpleXMLElement
Options
format
If create childs ('tags') or attributes ('attributes').pretty
Returns formatted Xml when set totrue
. Defaults tofalse
version
Version of XML document. Default is 1.0.encoding
Encoding of XML document. If null remove from XML header. Default is the some of application.return
If return object of SimpleXMLElement ('simplexml') or DOMDocument ('domdocument'). Default is SimpleXMLElement.
Using the following data:
$value = [
'root' => [
'tag' => [
'id' => 1,
'value' => 'defect',
'@' => 'description'
]
]
];
Calling Xml::fromArray($value, 'tags');
Will generate:
<root><tag><id>1</id><value>defect</value>description</tag></root>
And calling Xml::fromArray($value, 'attributes');
Will generate:
<root><tag id="1" value="defect">description</tag></root>
Parameters
-
array|
Cake\Collection\Collection
$input
- Array with data or a collection instance.
-
string|array
$options
optional [] - The options to use or a string to use as format.
Returns
SimpleXMLElement|DOMDocumentSimpleXMLElement or DOMDocument
Throws
Cake\Utility\Exception\XmlException
toArray()source public static
toArray( SimpleXMLElement|DOMDocument|DOMNode $obj )
Returns this XML structure as an array.
Parameters
-
SimpleXMLElement|DOMDocument|DOMNode
$obj
- SimpleXMLElement, DOMDocument or DOMNode instance
Returns
arrayArray representation of the XML structure.
Throws
Cake\Utility\Exception\XmlException
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https://api.cakephp.org/3.4/class-Cake.Utility.Xml.html