What steps can be taken to troubleshoot and resolve issues related to passing variables between PHP pages using include() and $_GET?

Issue: When passing variables between PHP pages using include() and $_GET, ensure that you are properly encoding and decoding the variables to prevent any errors or security vulnerabilities. Use isset() function to check if the variable is set before using it to avoid undefined variable errors. Code snippet: 

// Page 1: sending variable using include()
$variable = "Hello";
include('page2.php');

// Page 2: receiving variable using $_GET
if(isset($_GET['variable'])){
    $received_variable = $_GET['variable'];
    echo $received_variable;
}

Keywords

include $_GET variable passing troubleshooting resolve

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