(PECL printer SVN)
printer_set_option — Configure the printer connection
The function sets options for the current connection.
printer_handle
     
       printer_handle must be a valid printer handle.
      
option
     Option can be one of the following constants:
PRINTER_COPIES:
          sets how many copies should be printed, value
          must be an integer.
         
        PRINTER_MODE:
          specifies the type of data (text, raw or emf),
          value must be a string.
         
        PRINTER_TITLE:
          specifies the name of the document, value
          must be a string.
         
        PRINTER_ORIENTATION:
          specifies the orientation of the paper, value
          can be either PRINTER_ORIENTATION_PORTRAIT or
          PRINTER_ORIENTATION_LANDSCAPE
         
        PRINTER_RESOLUTION_Y:
          specifies the y-resolution in DPI, value
          must be an integer.
         
        PRINTER_RESOLUTION_X:
          specifies the x-resolution in DPI, value
          must be an integer.
         
        PRINTER_PAPER_FORMAT:
          specifies a predefined paper format, set value
          to PRINTER_FORMAT_CUSTOM if you want to specify a custom format with
          PRINTER_PAPER_WIDTH and PRINTER_PAPER_LENGTH.
          value can be one of the following constants.
         
         PRINTER_FORMAT_CUSTOM:
            let's you specify a custom paper format.
           
          PRINTER_FORMAT_LETTER:
            specifies standard letter format (8 1/2- by 11-inches).
           
          PRINTER_FORMAT_LEGAL:
            specifies standard legal format (8 1/2- by 14-inches).
           
          PRINTER_FORMAT_A3:
            specifies standard A3 format (297- by 420-millimeters).
           
          PRINTER_FORMAT_A4:
            specifies standard A4 format (210- by 297-millimeters).
           
          PRINTER_FORMAT_A5:
            specifies standard A5 format (148- by 210-millimeters).
           
          PRINTER_FORMAT_B4:
            specifies standard B4 format (250- by 354-millimeters).
           
          PRINTER_FORMAT_B5:
            specifies standard B5 format (182- by 257-millimeter).
           
          PRINTER_FORMAT_FOLIO:
            specifies standard FOLIO format (8 1/2- by 13-inch).
           
          PRINTER_PAPER_LENGTH:
          if PRINTER_PAPER_FORMAT is set to
          PRINTER_FORMAT_CUSTOM,
          PRINTER_PAPER_LENGTH specifies a custom paper length in mm,
          value must be an integer.
         
        PRINTER_PAPER_WIDTH:
          if PRINTER_PAPER_FORMAT is set to PRINTER_FORMAT_CUSTOM,
          PRINTER_PAPER_WIDTH specifies a custom paper width in mm,
          value must be an integer.
         
        PRINTER_SCALE:
          specifies the factor by which the printed output is to be scaled.
          the page size is scaled from the physical page size by a factor
          of scale/100. for example if you set the scale to 50, the output
          would be half of its original size. value
          must be an integer.
         
        PRINTER_BACKGROUND_COLOR:
          specifies the background color for the actual device context,
          value must be a string containing the rgb
          information in hex format i.e. "005533".
         
        PRINTER_TEXT_COLOR:
          specifies the text color for the actual device context,
          value must be a string containing the rgb
          information in hex format i.e. "005533".
         
        PRINTER_TEXT_ALIGN:
          specifies the text alignment for the actual device context,
          value can be combined through OR'ing the
          following constants:
         
         PRINTER_TA_BASELINE:
            text will be aligned at the base line.
           
          PRINTER_TA_BOTTOM:
            text will be aligned at the bottom.
           
          PRINTER_TA_TOP:
            text will be aligned at the top.
           
          PRINTER_TA_CENTER:
            text will be aligned at the center.
           
          PRINTER_TA_LEFT:
            text will be aligned at the left.
           
          PRINTER_TA_RIGHT:
            text will be aligned at the right.
           
          value
     
       The option value.
      
   Returns TRUE on success or FALSE on failure.
  
Example #1 printer_set_option() example
<?php
$handle = printer_open();
printer_set_option($handle, PRINTER_SCALE, 75);
printer_set_option($handle, PRINTER_TEXT_ALIGN, PRINTER_TA_LEFT);
printer_close($handle);
?>