(PECL event >= 1.2.6-beta) Detects whether event is pending or scheduled

(PECL event >= 1.6.0) Substracts a portion of the buffer data

(PECL event >= 1.2.6-beta) Sets the IP address from which HTTP connections are made

(PECL libevent >= 0.0.1) Makes event non-pending

(PECL event >= 1.4.0-beta) Adds an HTTP header to the headers of the request

(PECL event >= 1.2.6-beta) Makes signal event pending

(PECL event >= 1.4.0-beta) Returns the response code

(PECL event >= 1.4.0-beta) Returns associative array of the input headers

(PECL event >= 1.2.6-beta) Adds data to a buffer event's output buffer

(PECL event >= 1.4.0-beta) Initiate a chunked reply