The mb_decode_mimeheader() function is an inbuilt function in PHP where the string is decoded into the MIME header field.
Syntax:
mb_decode_mimeheader(string $string): string
Parameter: This function has a single parameter:
- string: This parameter specifies the string that is to be decoded.
Return Value: The decoded string will be returned in internal character encoding.
Example 1: The following code demonstrates the mb_decode_mimeheader() function
PHP
<?php // MIME-encoded header string $header_string = "=?ISO-8859-1?Q?Caf=E9_au_lait?=" ; // Decode the header string $decoded_string = mb_decode_mimeheader( $header_string ); // Output the decoded string echo $decoded_string ; ?> |
Output:
Café_au_lait
Example 2: The following code demonstrates the mb_decode_mimeheader() function
PHP
<?php // Array of MIME-encoded header strings $headers = [ "=?ISO-8859-1?Q?Caf=E9_au_lait?=" , "=?ISO-8859-1?Q?Bj=F6rk?=" , "=?ISO-8859-1?Q?M=F6tley_Cr=FCe?=" , ]; // Decode the header strings mb_convert_variables( "UTF-8" , "ISO-8859-1" , $headers ); array_walk ( $headers , function (& $value ) { $value = mb_decode_mimeheader( $value ); }); // Output the decoded strings var_dump( $headers ); ?> |
Output:
array(3) { [0]=> string(13) "Café_au_lait" [1]=> string(6) "Björk" [2]=> string(13) "Mötley_Crüe" }
Reference: https://www.php.net/manual/en/function.mb-decode-mimeheader.php