(PHP 4 >= 4.3.0, PHP 5, PHP 7) Get the appearance of a field bool fdf_get_ap ( resource $fdf_document, string $field, int $face, string $filename ) Gets the appearance of a field (i.e. the value of the /AP key) and stores it in a file. Parameters: fdf_document The FDF document handle, returned by fdf_create(), fdf_open() or fdf_open_string(). fie

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Return error description for FDF error code string fdf_error ([ int $error_code = -1 ] ) Gets a textual description for the FDF error code given in error_code. Parameters: error_code An error code obtained with fdf_errno(). If not provided, this function uses the internal error code set by the last operation. Returns:

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Return error code for last fdf operation int fdf_errno ( void ) Gets the error code set by the last FDF function call. A textual description of the error may be obtained using with fdf_error(). Returns: Returns the error code as an integer, or zero if there was no errors. See also:

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Call a user defined function for each document value bool fdf_enum_values ( resource $fdf_document, callable $function [, mixed $userdata ] ) This function is currently not documented; only its argument list is available.

(PHP 4, PHP 5, PHP 7) Create a new FDF document resource fdf_create ( void ) Creates a new FDF document. This function is needed if one would like to populate input fields in a PDF document with data. Returns: Returns a FDF document handle, or FALSE on error. Examples: Populating a PDF document <?php $outfdf = fdf_cr

(PHP 4, PHP 5, PHP 7) Close an FDF document void fdf_close ( resource $fdf_document ) Closes the FDF document. Parameters: fdf_document The FDF document handle, returned by fdf_create(), fdf_open() or fdf_open_string(). Returns: No value is returned. See also:

(PHP 4, PHP 5, PHP 7) Adds a template into the FDF document bool fdf_add_template ( resource $fdf_document, int $newpage, string $filename, string $template, int $rename ) This function is currently not documented; only its argument list is available.

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Adds javascript code to the FDF document bool fdf_add_doc_javascript ( resource $fdf_document, string $script_name, string $script_code ) Adds a script to the FDF, which Acrobat then adds to the doc-level scripts of a document, once the FDF is imported into it. Parameters: fdf_document The FDF document handle, returned by fdf_create(), fd

(PECL trader >= 0.2.0) Weighted Moving Average array trader_wma ( array $real [, integer $timePeriod ] ) Parameters: real Array of real values. timePeriod Number of period. Valid range from 2 to 100000. Returns: Returns an array with calculated data or false on failure.

(PECL trader >= 0.2.0) Williams' %R array trader_willr ( array $high, array $low, array $close [, integer $timePeriod ] ) Parameters: high High price, array of real values. low Low price, array of real values. close Closing price, array of real values. timePeriod N