(PECL radius >= 1.1.0) Returns the request authenticator

(PHP 5 >= 5.3.0, PHP 7) Convert a 8 bit string to a quoted-printable string

(PECL imagick 2.2.1) Gets channel range array

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Test if a field is SQL NULL

(No version information available, might only be in Git) Check if current position is valid

(PHP 5 <= 5.3.0, PECL ming SVN) Adds an object to a sprite

(PHP 4, PHP 5, PHP 7) Copy and resize part of an image

(PHP 4, PHP 5, PHP 7) Delete all messages marked for deletion

(PECL geoip >= 1.0.2) Get the Internet Service Provider (ISP) name

(PECL event >= 1.2.6-beta) Sets maximum body size for the connection