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number_format_i18n Function Reference and Usage

In a previous post, I wrote about the usage of the date_i18n function in WordPress called date_i18n Function Reference and Usage.

This post will address how to properly format displaying values (numbers) according to the WordPress blog settings.

The function to use for this is number_format_i18n – Read the reference material on wordpress.org

WordPress comes with a lot of nice features to reduce developer headaches and ensure things just work no matter where you use your code.

The usage is much easier than the date-function, as it is a simple function that accepts only a single parameter, the value to be displayed.

Usage:

$thenumber = 1420.3321;
echo number_format_i18n($thenumber,2);

The output will display the number in the correct localized format for your blog, use the second parameter to set the number of decimals.

Edit: Finally, after Brent made a comment back in 2009, I have updated the post to mention decimals.