(PHP 5 >= 5.5.0, PHP 7) Sets the date and time based on an Unix timestamp

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Set/Get substitution character

(PHP 5, PHP 7) Creates an empty DOMDocumentType object

(PHP 5 >= 5.1.3, PHP 7) Returns the timezone name from abbreviation

(PHP 5, PHP 7) Pings a server connection, or tries to reconnect if the connection has gone down

(PHP 4 >= 4.0.7, PHP 5 < 5.3.0, PECL ncurses >= 1.0.0) Single character output including refresh

(PECL bcompiler >= 0.4) Reads and creates classes from a bcompiler exe file

(PECL imagick 2.0.0) Specifies a decoration bool

(PECL gearman >= 0.5.0) Set a callback for worker exceptions

(PECL pdflib >= 2.0.0) Terminate glyph definition for Type 3 font