(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.1.0) Initiates a transaction public bool PDO::beginTransaction ( void ) Turns off autocommit mode. While autocommit mode is turned off, changes made to the database via the PDO object instance are not committed until you end the transaction by calling PDO::commit(). Calling PDO::rollBack() will roll back all changes to the database and return the connection to autocommit mode.

(PHP 5, PHP 7) Return the key for the current DirectoryIterator item public string DirectoryIterator::key ( void ) Get the key for the current DirectoryIterator item. Returns: The key for the current DirectoryIterator item. Examples: A DirectoryIterator::key() example <?php $dir = new DirectoryIterator(dirname(__FILE__

(PHP 5 >= 5.4.0, PHP 7) Unserializes the storage public void SplDoublyLinkedList::unserialize ( string $serialized ) Unserializes the storage, from SplDoublyLinkedList::serialize(). Parameters: serialized The serialized string. Returns: No value is returned. This function is currently not documented; only

(PECL OAuth >= 0.99.5) Turn on SSL checks public bool OAuth::enableSSLChecks ( void ) Turns on the usual SSL peer certificate and host checks (enabled by default). Alternatively, the sslChecks member can be set to a non-FALSE value to turn SSL checks off. Returns: TRUE Changelog: 0.99.8 The sslChecks member was added

(PHP 5 <= 5.3.0, PECL ming SVN) Sets the text field width and height void SWFTextField::setBounds ( float $width, float $height ) swftextfield::setbounds() sets the text field width to width and height to height. If you don't set the bounds yourself, Ming makes a poor guess at what the bounds are. Returns: No value is returned. This function is EXPERIMENTAL

(PHP 5, PHP 7) Close a set of cURL handles void curl_multi_close ( resource $mh ) Closes a set of cURL handles. Parameters: mh A cURL multi handle returned by curl_multi_init(). Returns: No value is returned. Examples: curl_multi_close() example This example will create tw

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Calculate the length of the hypotenuse of a right-angle triangle float hypot ( float $x, float $y ) hypot() returns the length of the hypotenuse of a right-angle triangle with sides of length x and y, or the distance of the point (x, y) from the origin. This is equivalent to sqrt(x*x + y*y). Parameters: x Length of first side

(PECL libevent >= 0.0.4) Set or reset callbacks for a buffered event bool event_buffer_set_callback ( resource $event, mixed $readcb, mixed $writecb, mixed $errorcb [, mixed $arg ] ) Sets or changes existing callbacks for the buffered event. Parameters: event Valid buffered event resource. readcb Callback to invoke where there is dat

(PHP 5 <= 5.3.0, PECL ming SVN) Sets the animation's frame rate void SWFMovie::setRate ( float $rate ) Sets the frame rate to the specified rate. Animation will slow down if the player can't render frames fast enough- unless there's a streaming sound, in which case display frames are sacrificed to keep sound from skipping. Parameters: rate The frame rate, in frame p

(PECL fann >= 1.0.0) Reads a file that stores training data resource fann_read_train_from_file ( string $filename ) Reads a file that stores training data. Parameters: filename The input file in the following format: num_train_data num_input num_output inputdata seperated by space outputdata seperated by space . . . inputdata seperated by space outputdata seperate