How can the PHP documentation be effectively utilized to troubleshoot coding issues?

Issue: If you encounter an error or unexpected behavior in your PHP code, you can utilize the PHP documentation to troubleshoot and find solutions. One way to do this is by searching for the specific function, method, or feature causing the issue in the PHP manual. The documentation provides detailed explanations, examples, and user-contributed notes that can help you understand the problem and find a solution. Code snippet:

// Example code using PHP documentation to troubleshoot an issue
$number = "10";

// Check if $number is a numeric value
if (is_numeric($number)) {
    echo "The variable is a numeric value.";
} else {
    echo "The variable is not a numeric value.";
}