(no version information, might be only in CVS)
DOMDocument->validate() -- Validates the document based on its DTDValidates the document based on its DTD.
You can also use the validateOnParse property of DOMDocument to make a DTD validation.
Siker esetén TRUE értékkel tér vissza, ellenkező esetben FALSE értéket ad. If the document have no DTD attached, this method will return FALSE.