Class: IOFilter

[line 80]
IOFilter provides the skeleton for creating filters on incoming or outgoing data, including the automatic sending of relevant HTTP headers. Its purpose is to be extended through subclassing to create custom filters (ie. an XSLT filter).

1     <?php
2     
3      class XsltFilter extends IOFilter {
4          var $xsltDoc = '';
5     
6          function transform ($content) {
7              if (empty ($this->xsltDoc)) {
8                  $this->error = 'No $xsltDoc property specified!';
9                  return false;
10             }
11    
12             global $loader
13             $loader->import ('saf.XML.XSLT');
14             $xslt = new XSLT ();
15    
16             if ($res = $xslt->process ($this->xsltDoc, $content)) {
17                 $xslt->free ();
18                 return $res;
19             } else {
20                 $this->error = $xslt->error ();
21                 $xslt->free ();
22                 return false;
23             }
24         }
25     }
26    
27     $xslf = new XsltFilter ('xslt', 'text/html');
28    
29     $xslf->xsltDoc = 'inc/xslt/xml2html.xslt';
30    
31     if ($new_data = $xslf->transform ($original_data)) {
32         $xslf->sendHeaders ();
33         echo $new_data;
34     } else {
35         echo $xslf->error;
36     }
37    
38     ?>

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$contentType =

[line 96]

The content type of the data, which if provided will be sent as an HTTP Content-Type header by sendHeaders().

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$error =

[line 113]

Contains an error message that may have been created during the execution of a transform() call.

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$extraHeaders =

[line 104]

A list of extra HTTP headers to send by sendHeaders().

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$name =

[line 87]

A name for this filter.

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constructor IOFilter [line 123]

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method addHeader [line 137]

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method sendHeaders [line 162]

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method transform [line 150]