(PHP 4 >= 4.0.4, PHP 5, PHP 7) Finds whether a variable is NULL bool is_null ( mixed $var ) Finds whether the given variable is NULL. Parameters: var The variable being evaluated. Returns: Returns TRUE if var is null, FALSE otherwise. Examples: is_null() example <

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Convert "kana" one from another ("zen-kaku", "han-kaku" and more) string mb_convert_kana ( string $str [, string $option = "KV" [, string $encoding = mb_internal_encoding() ]] ) Performs a "han-kaku" - "zen-kaku" conversion for string str. This function is only useful for Japanese. Parameters: str The string being converted.

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Opens an Secure SSL-FTP connection resource ftp_ssl_connect ( string $host [, int $port = 21 [, int $timeout = 90 ]] ) ftp_ssl_connect() opens an explicit SSL-FTP connection to the specified host. Note: Why this function may not exist ftp_ssl_connect() is only available if both the ftp module and the OpenSSL support is built statically into php, this means that on Windows this function

(PECL maxdb 1.0) Alias of maxdb_stmt_execute() This function is an alias of: maxdb_stmt_execute(). This function alias is deprecated and only exists for backwards compatibility reasons. The use of this function is not recommended, as it may be removed from PHP in the future.

(PECL fann >= 1.0.0) Sets the minimum step-size bool fann_set_rprop_delta_min ( resource $ann, float $rprop_delta_min ) The minimum step-size is a small positive number determining how small the minimum step-size may be. Parameters: ann Neural network resource. rprop_delta_min The minimum step-size. Returns: Re

(PECL xdiff >= 0.2.0) Merge 3 files into one mixed xdiff_file_merge3 ( string $old_file, string $new_file1, string $new_file2, string $dest ) Merges three files into one and stores the result in a file dest. The old_file is an original version while new_file1 and new_file2 are modified versions of an original. Parameters: old_file Path to the first file. It acts as "ol

(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0) Create start DTD tag bool XMLWriter::startDTD ( string $qualifiedName [, string $publicId [, string $systemId ]] ) Object oriented style Procedural style bool xmlwriter_start_dtd ( resource $xmlwriter , string $qualifiedName [, string $publicId [, string $systemId ]] ) Starts a DTD. Parameters: xmlwriter Only for proc

(PHP 5 <= 5.3.0, PECL ming SVN) float SWFDisplayItem::getXSkew ( void ) This function is currently not documented; only its argument list is available. See also: SWFDisplayItem::getYSkew() -

(PECL haru >= 0.0.1) Reset error state of the document handle bool HaruDoc::resetError ( void ) Once an error code is set, most of the operations, including I/O processing functions cannot be performed. In case if you want to continue after the cause of the error has been fixed, you have to invoke this function in order to reset the document error state. Returns: Always succeeds and returns TRU

(PHP 4, PHP 5, PHP 7) Get and set apache request notes string apache_note ( string $note_name [, string $note_value = "" ] ) This function is a wrapper for Apache's table_get and table_set. It edits the table of notes that exists during a request. The table's purpose is to allow Apache modules to communicate. The main use for apache_note() is to pass information from one module to another within the same request.