(PHP 5 >= 5.4.0, PHP 7) Cleanup old sessions

(PHP 4, PHP 5, PHP 7) Send an email message bool

(PECL haru >= 0.0.1) Create new

(PECL ssh2 >= 0.9.0) Return list of negotiated methods

(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0) Set string used for indenting

(PECL fann >= 1.0.0) Returns the sarprop step error shift

(PHP 5, PHP 7) Get the current depth of the recursive iteration

(PECL mongo >=0.9.0) Queries this collection, returning a

(PECL mongo >=1.5.0) Get the write concern for this collection

(PECL judy >= 0.1.1) Construct a new Judy