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Q. An XML element can contain ___

Q. Classes and objects are the two main aspects of __________________

Q. Get and ________ are two HTTP methods that a client use to pass from data server.

Q. Which one of the following functions is used to determine whether a class exists?

Q. ___________ After submitted by data, The data has sent to a server and perform validation checks in server machine.

Q. A ________ script can be placed anywhere in the document.

Q. An inherited class is defined by using the extends keyword.

Q. In Ajax XMLHttpRequest this object is used to exchange data with web server .

Q. Which of the following statements are true is/are true about constructors in PHP? (i) PHP 4 introduced class constructors. (ii) Constructors can accept parameters. (iii) Constructors can call class methods or other functions (iv) Class constructors can call on other constructors.