library/classes/class.Handler_HL7v2.php

   1 <?php
   2     // $Id$
   3     // $Author$
   4
   5 class Handler_HL7v2
   6 {
   7
   8     var $parser;
   9
  10     function __construct($parser)
  11     {
  12         $this->parser = &$parser;
  13     }
  14
  15     function Type()
  16     {
  17         return false;
  18     }
  19
  20     //----- Internal methods
  21
  22     function _StripToNumeric($string)
  23     {
  24         $target = '';
  25         for ($pos=0; $pos<strlen($string); $pos++) {
  26             switch (substr($string, $pos, 1)) {
  27                 case '0':
  28                 case '1':
  29                 case '2':
  30                 case '3':
  31                 case '4':
  32                 case '5':
  33                 case '6':
  34                 case '7':
  35                 case '8':
  36                 case '9':
  37                                                                 $target .= substr($string, $pos, 1);
  38                     break;
  39                 default: // do nothing
  40                     break;
  41             }
  42         }
  43
  44         return $target;
  45     } // end method _StripToNumeric
  46 } // end class Handler_HL7v2