How can PHP developers effectively utilize the PHP manual for referencing functions like number_format?

When PHP developers need to reference functions like number_format, they can effectively utilize the PHP manual to understand the function's parameters, return values, and examples of usage. By consulting the PHP manual, developers can ensure they are using the function correctly and efficiently in their code.

// Utilizing the PHP manual to reference the number_format function
$number = 1234.56;
$formatted_number = number_format($number, 2); // Format the number with 2 decimal places
echo $formatted_number; // Output: 1,234.56