(PHP 5, PHP 7) concatenates two variant values together and returns the result mixed variant_cat ( mixed $left, mixed $right ) Concatenates left with right and returns the result. This function is notionally equivalent to $left . $right. Parameters: left The left operand. right The right operand. Returns: Ret

(PHP 5, PHP 7) Create new attribute public DOMAttr DOMDocument::createAttribute ( string $name ) This function creates a new instance of class DOMAttr. This node will not show up in the document unless it is inserted with (e.g.) DOMNode::appendChild(). Parameters: name The name of the attribute. Returns: The new DOMAttr or FALSE if an error occur

(Yaf >=1.0.0) The offsetUnset purpose public void Yaf_Config_Simple::offsetUnset ( string $name ) Parameters: name Returns: This function is currently not documented; only its argument list is available.

(PHP 5 >= 5.1.0, PHP 7) Determines acceptability public bool ParentIterator::accept ( void ) Determines if the current element has children. Returns: TRUE if the current element is acceptable, otherwise FALSE. This function is currently not documented; only its argument list is available.

(PECL rar >= 0.1) Get attributes of the entry public int RarEntry::getAttr ( void ) Returns the OS-dependent attributes of the archive entry. Returns: Returns the attributes or FALSE on error. Examples: RarEntry::getAttr() example <?php $rar_file = rar_open('example.rar') or die("Can't open Rar archive"); $entry =

(PHP 5 >= 5.1.0, PHP 7) Calculate the product of values in an array number array_product ( array $array ) array_product() returns the product of values in an array. Parameters: array The array. Returns: Returns the product as an integer or float. Changelog: 5.3.6 The product of an empty

(PECL wincache >= 1.1.0) Retrieves information about session cache memory usage array wincache_scache_meminfo ( void ) Retrieves information about memory usage by session cache. Returns: Array of meta data about session cache memory usage or FALSE on failure The array returned by this function contains the following elements: memory_total - amount of memory in bytes allocated for the ses

(PHP 5 >= 5.2.0, PHP 7, PECL zip >= 1.4.0) Set the comment of an entry defined by its index bool ZipArchive::setCommentIndex ( int $index, string $comment ) Set the comment of an entry defined by its index. Parameters: index Index of the entry. comment The contents of the comment. Returns: Returns TRUE on

(PHP 5, PHP 7) Returns a handle to an already running instance of a COM object variant com_get_active_object ( string $progid [, int $code_page ] ) com_get_active_object() is similar to creating a new instance of a COM object, except that it will only return an object to your script if the object is already running. OLE applications use something known as the "Running Object Table" to allow well-known applications to be laun

(PHP 4, PHP 5, PHP 7) Cosine float cos ( float $arg ) cos() returns the cosine of the arg parameter. The arg parameter is in radians. Parameters: arg An angle in radians Returns: The cosine of arg Examples: cos() example <?php echo cos(M_PI); // -1 ?>