How can one ensure consistent UTF-8 encoding in PHP applications?

To ensure consistent UTF-8 encoding in PHP applications, you can set the default internal encoding to UTF-8 using the `mb_internal_encoding()` function. This will ensure that all string functions in PHP operate using UTF-8 encoding. Additionally, you can use the `mb_convert_encoding()` function to explicitly convert strings to UTF-8 when needed. 

// Set default internal encoding to UTF-8
mb_internal_encoding('UTF-8');

// Convert a string to UTF-8 if needed
$utf8String = mb_convert_encoding($string, 'UTF-8');

Keywords

UTF-8 encoding PHP mb_internal_encoding multibyte

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