What best practices should be followed when troubleshooting PHP code that is throwing multiple error messages?

When troubleshooting PHP code that is throwing multiple error messages, it is important to start by carefully reading and understanding each error message to identify the root cause of the issue. Common best practices include checking for syntax errors, ensuring all variables are properly declared and initialized, and verifying that functions and classes are being used correctly. Additionally, using debugging tools like var_dump() or echo statements can help pinpoint where the errors are occurring in the code.

// Example PHP code snippet demonstrating best practices for troubleshooting multiple error messages

<?php

// Check for syntax errors
if ($x == 5) {
    echo "x is equal to 5";
}

// Ensure variables are properly declared and initialized
$y = 10;
echo $y;

// Verify functions and classes are being used correctly
function addNumbers($a, $b) {
    return $a + $b;
}

$result = addNumbers(5, 10);
echo $result;

?>