Extensible Markup Language (XML) is a type of markup language that establishes a set of guidelines for encoding texts in a way that is both machine- and human-readable. For storing and transferring data on the web and in many other applications, XML is widely used....

A Mashup (also known as web application hybrid), is a technique that websites use to provide resources, functionalities, and services from multiple sources. To put it in layman’s terms, a mashup works as an aggregator of different services. They mostly use public APIs that are generally free to use and thus, create a new service from existing ones....

DTD stands for Document Type Definition. It is a document that defines the structure of an XML document. It is used to describe the attributes of the XML language precisely. It can be classified into two types namely internal DTD and external DTD. It can be specified inside a document or outside a document. DTD mainly checks the grammar and validity of an XML document. It checks that an XML document has a valid structure or not....

DTD stands for Document Type Definition, and it is used to define the structure and content of an XML document. An  XML document can have an internal DTD or an external DTD, depending on the needs of the user. In this article, we will discuss the differences between internal and external DTDs. This article will discuss the dissimilarities between these two types of DTD, including their syntax, sample usage, and variations presented in tabular form....

The simplexml_load_file() function is an inbuilt function in PHP which is used to convert the well-formed XML document into the given file to an object....

The XMLReader::isValid() function is an inbuilt function in PHP which is used to check if the document being parsed is valid or not. An XML is valid if it is written by following a DTD (Document Type Definition) which defines all the allowed elements and the structure of elements....

In this article, we are going to store XML data into a CSV file using PHPH. XML stands for an extensible markup language. XML is similar to HTML but whereas in HTML, we can’t define our own tags, but in XML we can define our own tags....

The eXtensible Markup Language (XML) is a data storage toolbox, a configurable vehicle for any type of information, and a dynamic and open standard that is used by everyone from bankers to webmasters. To be self-descriptive, XML was created to store and convey data....

The SimpleXMLElement::saveXML() function is an inbuilt function in PHP which return well-formed XML string from a SimpleXML object. It is an alias of SimpleXMLElement::asXML() function....

Extensible Markup Language (XML) is a markup language, defining a ruleset for encoding documents in both formats that is human-readable and machine-readable. The design goals of XML focus on simplicity, generality, and usability across the Internet. XML is designed to be self-descriptive along with storing and transporting the data. It is a textual data format with strong support via Unicode for different human languages. Although the design of XML focuses on documents, the language is widely used for the representation of arbitrary data structures such as those used in web services. In this article, we will learn about the tags used to find the version of XML and its syntaxes. We will use DOM to find a version of XML....

In this article, we will learn how to process XML using PHP. We have already learnt the basics of XML and their differences with respect to HTML. Different elements of XML can be learnt from XML Elements to understand the working of the following programs....

XQuery: XQuery is the language for querying XML data. It is used to retrieve information stored in XML format. XQuery for XML is similar to SQL for databases. It can be used on XML Databases, relational databases containing data in XML formats, or XML documents. XQuery was designed by W3C and it first appeared in 2007. It is a W3C recommendation from April 8, 2014, which is supported by all major databases....