PHP dom_domattr_isid function

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DOMAttr->isId()

(no version information, might be only in CVS)

DOMAttr->isId() —
Checks if attribute is a defined ID
Descriptionclass DOMAttr {

bool isId ( void )

}

This function checks if the attribute is a defined ID.

According to the DOM standard this requires a DTD which defines the
attribute ID to be of type ID. You need to validate your document with
DOMDocument->validate()
or DOMDocument::validateOnParse before using this function.

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example 1. DOMAttr->isId() Example

 
$doc = new DomDocument;
 
// We need to validate our document before refering to the id
$doc->validateOnParse = true;
$doc->Load('book.xml');
 
// We retrieve the attribute named id of the chapter element
$attr = $doc->getElementsByTagName('chapter')->item(0)->getAttributeNode('id');
 
var_dump($attr->isId()); // bool(true)

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Published:
2.26.07 / 1am
Category:
PHP Functions
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