(PHP 4, PHP 5, PHP 7) Checks if the object has this class as one of its parents or implements it. bool is_subclass_of ( mixed $object, string $class_name [, bool $allow_string = TRUE ] ) Checks if the given object has the class class_name as one of its parents or implements it. Parameters: object A class name or an object instance. No error is generated if the class does

(PHP 5, PHP 7) Get the current depth of the recursive iteration public int RecursiveIteratorIterator::getDepth ( void ) Returns: The current depth of the recursive iteration. This function is currently not documented; only its argument list is available.

(PHP 4 >= 4.0.2, PHP 5 <= 5.0.5, PECL ingres >= 1.0.0) Send an SQL query to Ingres mixed ingres_query ( resource $link, string $query [, array $params [, string $types ]] ) ingres_query() sends the given query to the Ingres server. The query becomes part of the currently open transaction. If there is no open transaction, ingres_query() opens a new transaction. To close the transaction, you can call either ingres_c

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Installs a signal handler bool pcntl_signal ( int $signo, callable|int $handler [, bool $restart_syscalls = true ] ) The pcntl_signal() function installs a new signal handler or replaces the current signal handler for the signal indicated by signo. Parameters: signo The signal number. handler The sign

(PHP 5 >= 5.2.0, PHP 7) Alias of DateTime::modify() This function is an alias of: DateTime::modify()

(PECL rrd >= 0.9.0) Gets the timestamp of the first sample from rrd file. int rrd_first ( string $file [, int $raaindex = 0 ] ) Returns the first data sample from the specified RRA of the RRD file. Parameters: file RRD database file name. raaindex The index number of the RRA that is to be examined. Default value is 0.

(PHP 5 >= 5.6.0, PHP 7) Checks if the parameter is variadic public bool ReflectionParameter::isVariadic ( void ) Checks if the parameter was declared as a variadic parameter. Returns: Returns TRUE if the parameter is variadic, otherwise FALSE.

(PHP 5, PHP 7) Initiate a result set retrieval mysqli_result mysqli::use_result ( void ) Object oriented style Procedural style mysqli_result mysqli_use_result ( mysqli $link ) Used to initiate the retrieval of a result set from the last query executed using the mysqli_real_query() function on the database connection. Either this or the mysqli_store_result() function must be called before the results of a query can be ret

(PHP 5 >= 5.5.0, PHP 7) Initialize a cURL share handle resource curl_share_init ( void ) Allows to share data between cURL handles. Returns: Returns resource of type "cURL Share Handle". Examples: curl_share_init() example This example will create a cURL share handle, add two cURL handles to it, and then run them with c

(PHP >= 5.3.0, PECL phar >= 2.0.0) Convert a non-executable tar/zip archive to an executable phar archive Phar PharData::convertToExecutable ([ int $format [, int $compression [, string $extension ]]] ) Note: This method requires the php.ini setting phar.readonly to be set to 0 in order to work for Phar objects. Otherwise, a PharException will be thrown. This method is used to convert a non-executable tar or zip arc