How can PHP developers ensure consistent handling of decimal numbers across different languages and regions?

To ensure consistent handling of decimal numbers across different languages and regions, PHP developers can use the setlocale() function to set the desired locale for number formatting. This allows for consistent decimal separators, thousand separators, and other number formatting conventions based on the specified locale. 

// Set the locale to a specific region for consistent number formatting
setlocale(LC_NUMERIC, 'en_US.UTF-8');

// Format a decimal number using the specified locale
$number = 1234.56;
$formattedNumber = number_format($number, 2); // Outputs: 1,234.56

Keywords

Localization NumberFormatter setlocale LC_NUMERIC decimal point

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