(PECL lapack >= 0.1.0) Calculate the linear least squares solution of a matrix using QR factorisation public static array Lapack::leastSquaresByFactorisation ( array $a, array $b ) Solve the linear least squares problem, find min x in || B - Ax || Returns an array representing x. Expects arrays of arrays, and will return an array of arrays in the dimension B num cols x A num cols. Uses QR or LQ factorisation on matrix A.

(PECL imagick 2.0.0) Reduces the speckle noise in an image bool Imagick::despeckleImage ( void ) Reduces the speckle noise in an image while preserving the edges of the original image. Returns: Returns TRUE on success. Exception: Throws ImagickException on error. Examples: Imagick::despeckleImage() <?

(PHP 5 >= 5.3.0, PHP 7) Examples: Using global space specification Without any namespace definition, all class and function definitions are placed into the global space - as it was in PHP before namespaces were supported. Prefixing a name with \ will specify that the name is required from the global space even in the context of the namespace. <?php namespace A\B\C; /* This functi

(PECL imagick 2.0.0) Sets the image chromaticity green primary point bool Imagick::setImageGreenPrimary ( float $x, float $y ) Sets the image chromaticity green primary point. Parameters: x Sets the image chromaticity green primary point. y Sets the image chromaticity green primary point. Returns: Returns TRUE

(PHP 5 >= 5.0.1, PHP 7) Handles a SOAP request public void SoapServer::handle ([ string $soap_request ] ) Processes a SOAP request, calls necessary functions, and sends a response back. Parameters: soap_request The SOAP request. If this argument is omitted, the request is assumed to be in the raw POST data of the HTTP request. Returns: No val

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Checks if status code represents a normal exit bool pcntl_wifexited ( int $status ) Checks whether the child status code represents a normal exit. Parameters: status The status parameter is the status parameter supplied to a successful call to pcntl_waitpid(). Returns: Returns TRUE if the child status code represen

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0) Return part of a string int grapheme_substr ( string $string, int $start [, int $length ] ) Procedural style Return part of a string Parameters: string The input string. Must be valid UTF-8. start Start position in default grapheme units. If $start is non-negative, the returned string wi

(PECL ssh2 >= 0.9.0) Request an interactive shell resource ssh2_shell ( resource $session [, string $term_type = "vanilla" [, array $env [, int $width = 80 [, int $height = 25 [, int $width_height_type = SSH2_TERM_UNIT_CHARS ]]]]] ) Open a shell at the remote end and allocate a stream for it. Parameters: session An SSH connection link identifier, obtained from a ca

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Get error message associated with result string pg_result_error ( resource $result ) pg_result_error() returns any error message associated with the result resource. Therefore, the user has a better chance of getting the correct error message than with pg_last_error(). The function pg_result_error_field() can give much greater detail on result errors than pg_result_error(). Because pg_

(PECL CUBRID >= 8.3.0) Get the class name using OID string cubrid_get_class_name ( resource $conn_identifier, string $oid ) The cubrid_get_class_name() function is used to get the class name from oid. It doesn't work when selecting data from the system tables, for example db_class. Parameters: conn_identifier Connection identifier. oid