What are the potential reasons for special characters displaying incorrectly in PHP when reading data from a MySQL database?

Special characters may display incorrectly in PHP when reading data from a MySQL database due to character encoding mismatch between the database and PHP. To solve this issue, you can set the character encoding for both the MySQL connection and the PHP script to ensure they are using the same encoding. 

// Set character encoding for MySQL connection
mysqli_set_charset($connection, "utf8");

// Set character encoding for PHP script
header('Content-Type: text/html; charset=utf-8');

Keywords

PHP MySQL special characters encoding data retrieval

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