How can PHP developers ensure that their data is consistently stored and displayed in UTF-8 format to prevent character encoding problems?

PHP developers can ensure that their data is consistently stored and displayed in UTF-8 format by setting the character encoding to UTF-8 in their database connection, ensuring that their PHP files are saved in UTF-8 encoding, and using PHP functions like `utf8_encode()` and `utf8_decode()` to handle encoding and decoding of strings. 

// Set the character encoding to UTF-8 in the database connection
$pdo = new PDO('mysql:host=localhost;dbname=mydatabase;charset=utf8', 'username', 'password');

// Ensure that PHP files are saved in UTF-8 encoding
// Use utf8_encode() and utf8_decode() functions to handle encoding and decoding of strings
$utf8_encoded_string = utf8_encode($string);
$decoded_string = utf8_decode($utf8_encoded_string);

Keywords

UTF-8 character encoding PHP data storage data display

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