How can the use of GET and POST methods in PHP affect the passing of variables between pages and what are the implications for data security and integrity?

When using the GET method in PHP, variables are passed in the URL which can potentially expose sensitive information. On the other hand, using the POST method hides the variables from the URL, providing a more secure way to pass data between pages. To ensure data security and integrity, it is recommended to use the POST method for passing sensitive information between pages. 

<form method="post" action="process.php">
    <input type="text" name="username">
    <input type="password" name="password">
    <input type="submit" value="Submit">
</form>

Keywords

GET method POST method variables data security data integrity

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