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What is $_POST? It’s a global variable that’s used to collect data from the HTML form after it’s been submitted. Because the data is not accessible in the query string when a form uses method post to transfer data, security standards are maintained in this manner. Example:- A form with an input field and a … Read more
What is $_REQUEST? $_REQUEST is a super global variable that’s used to collect data when an HTML form is submitted. Because $_POST and $_GET accomplish the same purpose and are extensively used, $_REQUEST is rarely used. Example:- A form with an input field and a submit button is shown in the example below. The form … Read more
What is $_SERVER? It’s a super global variable in PHP that keeps track of headers, paths, and script locations. Some of these components are used to obtain data from the $_SERVER super global variables. Example:- Output:- To retrieve some information, we used the $_SERVER components in the code above. Using the ‘PHP SELF’ element, we … Read more
What is $GLOBALS? $GLOBALS is a super global variable that may be accessed from anywhere in the PHP script. All global variables are stored in the array $GLOBALS[], where index is the global variable name that may be retrieved. All global variables are stored in an array named $GLOBALS[index] in PHP. The variable’s name is … Read more
What is Super Global Variables in PHP? These are PHP array variables with specific definitions that make it simple to retrieve information about a request or its context. The super global variables may be found all across your script. These variables can be accessible from any function, class, or file without the need to do … Read more