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PHP Strings and Functions

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Questions and Answers

What is the purpose of the PHP strpos() function?

To search for a specific text within a string (correct)
To process special characters in a string
To count the number of words in a string
To return the length of a string

What is the scope of a variable declared within a function in PHP?

Script scope, accessible only within the script
Local scope, accessible only within the function (correct)
Server scope, accessible only on the server-side
Global scope, accessible from anywhere in the script

What is the primary difference between double quotes and single quotes in PHP?

Double quotes are used for variables, single quotes are used for strings
Double quotes are used for strings, single quotes are used for numbers
Double quotes are used for comments, single quotes are used for strings
Double quotes process special characters, single quotes do not (correct)

What is the primary use of JSON?

To store and transport data (C) Signup and view all the answers

Where are PHP scripts executed?

On the server-side, before the web page is sent to the client (B) Signup and view all the answers

What is the purpose of the $.get() method?

To request data from the server with an HTTP GET request (D) Signup and view all the answers

What is the purpose of the $.post() method?

To send data to the server using an HTTP POST request (C) Signup and view all the answers

What is the syntax for the $.get() method?

($.get(URL,callback); (D) Signup and view all the answers

What is the purpose of the load() method?

To load data from a server and put it into a selected element (D) Signup and view all the answers

What is JSON?

A self-describing data format (B) Signup and view all the answers

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