How can PHP beginners effectively utilize number_format() for numerical display purposes?

PHP beginners can effectively utilize number_format() for numerical display purposes by using it to format numbers with specified decimal points, thousands separators, and decimal separators. This function can help improve the readability of numbers on a webpage or application. To use number_format(), simply pass the number you want to format as the first argument, the number of decimal points as the second argument, the decimal separator as the third argument, and the thousands separator as the fourth argument.

$number = 1234567.89;
$formatted_number = number_format($number, 2, '.', ',');
echo $formatted_number; // Output: 1,234,567.89