(PHP 5 >= 5.0.1, PHP 7)
Finds children of given node
public SimpleXMLElement SimpleXMLElement::children ([ string $ns [, bool $is_prefix = false ]] )
This method finds the children of an element. The result follows normal iteration rules.
Note: SimpleXML has made a rule of adding iterative properties to most methods. They cannot be viewed using var_dump() or anything else which can examine objects.
Parameters:
ns
An XML namespace.
is_prefix
If is_prefix
is TRUE
, ns
will be regarded as a prefix. If FALSE
, ns
will be regarded as a namespace URL.
Returns:
Returns a SimpleXMLElement element, whether the node has children or not.
Changelog:
5.2.0
The optional parameter is_prefix
was added.
Examples:
Traversing a children() pseudo-array
<?php $xml = new SimpleXMLElement( '<person> <child role="son"> <child role="daughter"/> </child> <child role="daughter"> <child role="son"> <child role="son"/> </child> </child> </person>'); foreach ($xml->children() as $second_gen) { echo ' The person begot a ' . $second_gen['role']; foreach ($second_gen->children() as $third_gen) { echo ' who begot a ' . $third_gen['role'] . ';'; foreach ($third_gen->children() as $fourth_gen) { echo ' and that ' . $third_gen['role'] . ' begot a ' . $fourth_gen['role']; } } } ?>
The above example will output:
The person begot a son who begot a daughter; The person begot a daughter who begot a son; and that son begot a son
Using namespaces
<?php $xml = '<example xmlns:foo="my.foo.urn"> <foo:a>Apple</foo:a> <foo:b>Banana</foo:b> <c>Cherry</c> </example>'; $sxe = new SimpleXMLElement($xml); $kids = $sxe->children('foo'); var_dump(count($kids)); $kids = $sxe->children('foo', TRUE); var_dump(count($kids)); $kids = $sxe->children('my.foo.urn'); var_dump(count($kids)); $kids = $sxe->children('my.foo.urn', TRUE); var_dump(count($kids)); $kids = $sxe->children(); var_dump(count($kids)); ?>
int(0) int(2) int(2) int(0) int(1)
See also:
count() -
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