The quoted_printable_encode() function is an inbuilt function in PHP which is used to convert an 8-bit string to a quoted printable string.
quoted_printable_encode( $str )
Parameters: This function accepts single parameter $str which is mandatory. It represents the 8-bit string which needs to be converted.
Return Value: This function returns the quoted printable string.
Below program illustrates the quoted_printable_encode() function in PHP:
Application: The quoted_printable_encode() function can be used in mailing system to encode any message and later decode it using quoted_printable_decode() at receiver’s end.