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I've been trying to work out how to validate XML against XSD in PHP but failed to do so due to lack of examples. I've came up with example below but it doesn't work properly.My Example: 18 MB xml with 258.230 lines Result: XMLReader - 656.14199638367 ms, 379064 bytes DOMDocument - 483.04295539856 ms, 369280 bytes So i decided to go with DOMDocument, but just try it with your own xml and xsd and use your faster choice.It should have been "full Name", but since I already generated the class for the schema, and this is just for my own learning, I left it as is. I have an XML schema here: address address; var xml Schema Serializer = new Xml Serializer(typeof(Xml Schema)); var address Xml Serializer = new Xml Serializer(typeof(address)); var schemas = new Xml Schema Set(); Xml Schema schema; using (var xsd Stream = File. Add(schema); var settings = new Xml Reader Settings ; settings. The client access methods allow forward and backward movement, much like the client-side, static cursor in ADO data access on the Microsoft platform.The cost of this type of capability is the resource requirements needed to keep each node in memory. The SAX API was one of the first attempts in the XML community to solve the problem of parsing large XML documents.Methods are called for the document, elements, attributes, and other types of nodes.This type of API is called a "push model" because the document information is pushed from the parser to the client.
And also, this is NOT correct: "If you just need to check if XML file is well formed, successful loading into XMLReader object is usually enough." It is not enough. Xml Schema Validation Exception'The global element ' has already been declared.) is thrown in the Validation Event Handler. Represents a reader that provides document type definition (DTD), XML-Data Reduced (XDR) schema, and XML Schema definition language (XSD) validation. (Inherited from Xml Reader) Checks that the specified local name and namespace URI matches that of the current element, then reads the current element and returns the contents as a double-precision floating-point number.Microsoft recognized the state of parsers in the XML world and designed an efficient XML API that was also simple to use.Microsoft borrowed a concept from the "firehose" cursor used in ADO.