How can PHP beginners effectively troubleshoot formatting issues with numbers?

When encountering formatting issues with numbers in PHP, beginners can effectively troubleshoot by using built-in functions like number_format() to control the formatting of numbers. This function allows users to specify the number of decimal places, decimal point, and thousands separator. By using number_format(), beginners can easily format numbers according to their desired output. 

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

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PHP formatting numbers troubleshooting debugging

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