What are some common mistakes to avoid when using number_format function in PHP for formatting numbers?

One common mistake to avoid when using the number_format function in PHP is forgetting to specify the decimal and thousands separators. This can lead to unexpected results in the formatting of numbers. To ensure proper formatting, always include the necessary parameters in the function call. 

// Incorrect usage of number_format function
$number = 1000;
$formatted_number = number_format($number); // missing decimal and thousands separators

// Corrected usage of number_format function
$number = 1000;
$formatted_number = number_format($number, 2, '.', ','); // specifying decimal and thousands separators
echo $formatted_number; // Output: 1,000.00

Keywords

number_format PHP formatting mistakes avoid

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