Are there built-in PHP functions or libraries available to handle the conversion of special characters to normal characters?

Special characters can be converted to normal characters in PHP using the `iconv()` function or the `mb_convert_encoding()` function. These functions can handle character encoding conversions, including converting special characters to their normal equivalents. 

// Using iconv() function to convert special characters to normal characters
$normalString = iconv('UTF-8', 'ASCII//TRANSLIT', $specialString);

// Using mb_convert_encoding() function to convert special characters to normal characters
$normalString = mb_convert_encoding($specialString, 'ASCII', 'UTF-8');

Keywords

PHP special characters conversion built-in functions libraries

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