(PHP 5 >= 5.1.0, PHP 7) The next() method public void EmptyIterator::next ( void ) No operation, nothing to do. Returns: No value is returned. This function is currently not documented; only its argument list is available.

(No version information available, might only be in Git) Description public void Imagick::autoLevelImage ([ string $CHANNEL = Imagick::CHANNEL_DEFAULT ] ) Adjusts the levels of a particular image channel by scaling the minimum and maximum values to the full quantum range. Parameters: CHANNEL Which channel should the auto-levelling should be done on.

(PECL imagick 2.0.0) Sepia tones an image bool Imagick::sepiaToneImage ( float $threshold ) Applies a special effect to the image, similar to the effect achieved in a photo darkroom by sepia toning. Threshold ranges from 0 to QuantumRange and is a measure of the extent of the sepia toning. A threshold of 80 is a good starting point for a reasonable tone. Parameters: threshold

(PECL imagick 2.0.0) Set an option bool Imagick::setOption ( string $key, string $value ) Associates one or more options with the wand. Parameters: key Associates one or more options with the wand. value Associates one or more options with the wand. Returns: Returns TRUE on success.

(PECL solr >= 0.9.2) Returns all the name-value pair parameters in the object final public string SolrParams::toString ([ bool $url_encode = false ] ) Returns all the name-value pair parameters in the object Parameters: url_encode Whether to return URL-encoded values Returns: Returns a string on success and FALSE on failure.

(PECL event >= 1.2.6-beta) Returns most recent OpenSSL error reported on the buffer event public string EventBufferEvent::sslError ( void ) Returns most recent OpenSSL error reported on the buffer event. Note: This function is available only if Event is compiled with OpenSSL support. Returns: Returns OpenSSL error string reported on the buffer event, or FALSE, if there is no more error to

(PECL stats >= 1.0.0) Computes the covariance of two data sets float stats_covariance ( array $a, array $b ) Parameters: a b Returns: This function is currently not documented; only its argument list is available.

(PHP 5 >= 5.1.0, PHP 7) Indicates if specified property has been set public bool XMLReader::getParserProperty ( int $property ) Indicates if specified property has been set. Parameters: property One of the parser option constants. Returns: Returns TRUE on success or FALSE on failure.

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Decodes XML into native PHP types mixed xmlrpc_decode_request ( string $xml, string &$method [, string $encoding ] ) This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Get description of the last error string intl_get_error_message ( void ) Get error message from last internationalization function called. Returns: Description of an error occurred in the last API function call. Examples: intl_get_error_message() example <?php if( Colla