Joomla! Documentation™

The "API16" namespace is an archived namespace. This page contains information for a Joomla! version which is no longer supported. It exists only as a historical reference, it will not be improved and its content may be incomplete and/or contain broken links.

Syntax

prependFilter($filtername, $read_write=STREAM_FILTER_READ, $params=Array())

Parameter Name	Default Value	Description
$filtername
$read_write	STREAM_FILTER_READ
$params	Array()

Defined in

libraries/joomla/filesystem/stream.php

Importing

jimport( 'joomla.filesystem.stream' );

Source Body

function prependFilter($filtername, $read_write=STREAM_FILTER_READ, $params=Array() )
{
        $res = false;
        if($this->_fh)
        {
                // Capture PHP errors
                $php_errormsg = '';
                $track_errors = ini_get('track_errors');
                ini_set('track_errors', true);
                $res = @stream_filter_prepend($this->_fh, $filtername, $read_write, $params);
                if(!$res && $php_errormsg)
                {
                        $this->setError($php_errormsg); // set the error msg
                }
                else
                {
                        array_unshift($res,'');
                        $res[0] =&$this->filters;
                }
                // restore error tracking to what it was before
                ini_set('track_errors',$track_errors);
        }
        return $res;
}

Examples

<CodeExamplesForm />