(PHP 5, PHP 7) Decodes multiple MIME header fields at once

(PHP 5, PHP 7) Finds the last occurrence of a needle within a haystack

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Convert string to requested character encoding

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Convert character encoding as output buffer handler

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Retrieve internal configuration variables of iconv extension

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Set current setting for character encoding conversion

(PHP 5, PHP 7) Decodes a MIME header field

(PHP 5, PHP 7) Returns the character count of string

(PHP 5, PHP 7) Cut out part of a string string

(PHP 5, PHP 7) Finds position of first occurrence of a needle within a haystack