How form data processing is done in PHP

One of the applications of PHP is processing the data provided by the users in (X)HTML forms. PHP provides two implicit arrays $_GET and $_POSTwhich are global variables and are accessible anywhere in a PHP script. The array $_GET is used when the attribute method of the form tag is set to GET and the array $_POST is used when the attribute method of the form tag is set to POST. Both arrays contain the form data stored as key-value pairs, where key contains the value of name attribute of the form element and value contains the value of the

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How form data processing is done in PHP
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