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DOMAttr->isId()

(no version information, might be only in CVS)

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

Description

class 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
<?php $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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