What is the function utf8_decode() used for in PHP?

utf8_decode() is used in PHP to convert UTF-8 encoded strings to ISO-8859-1. This function is useful when dealing with strings that are encoded in UTF-8 but need to be converted to a different character encoding for compatibility with certain systems or applications. 

// Example usage of utf8_decode()
$utf8String = "Café";
$isoString = utf8_decode($utf8String);

echo $isoString; // Output: Café

Keywords

utf8_decode PHP function character encoding UTF-8

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