WebsiteFrame.php Source Code

PHP Source Code

<?php
# to activate the extension, include it from your LocalSettings.php
# with: include("extensions/websiteFrame.php");

$wgExtensionFunctions[] = "wfwebsiteFrame";

function wfwebsiteFrame() {
        global $wgParser;

        $wgParser->setHook( "websiteFrame", "websiteFrame" );
}

# the callback function for converting the input text to HTML output
function websiteFrame($input) {
        # set default arguments
        $allParams['height'] = 800;
        $allParams['width'] = 800;
        $allParams['scroll'] = "no";
        $allParams['border'] = "0";  # actually 'frameborder'
        $allParams['name'] = "Page1";
        $allParams['align'] = "middle";
        $allParams['allowtransparency'] = "false";

        # get input args
        $aParams = explode("\n", $input); # ie 'website=http://www.whatever.com'
        foreach($aParams as $sParam) {
                $aParam = explode("=", $sParam); # ie $aParam[0] = 'website' and $aParam[1] = 'http://www.whatever.com'
                if( count( $aParam ) < 2 ) # no arguments passed
                continue;

                $sType = $aParam[0]; # ie 'website'
                $sArg = $aParam[1]; # ie 'http://www.whatever.com'

                switch ($sType) {
                        case 'website':
                                # clean up
                                $sType = trim($sType);
                                $sArg = trim($sArg);
                                $allParams['website'] = $sArg; # http://www.whatever.com
                        break;


                        case 'height':
                                # clean up
                                $sType = trim($sType);
                                $sArg = trim($sArg);
                                $allParams['height'] = $sArg; # 80
                        break;

                        case 'width':
                                # clean up
                                $sType = trim($sType);
                                $sArg = trim($sArg);
                                $allParams['width'] = $sArg; # 100
                        break;

                        case 'scroll':
                                # clean up
                                $sType = trim($sType);
                                $sArg = trim($sArg);
                                $allParams['scroll'] = $sArg; # yes
                        break;

                        case 'border':
                                # clean up
                                $sType = trim($sType);
                                $sArg = trim($sArg);
                                $allParams['border'] = $sArg; # yes
                        break;

                        case 'name':
                                # clean up
                                $sType = trim($sType);
                                $sArg = trim($sArg);
                                $allParams['name'] = $sArg; # my iFrame
                        break;

                        case 'align':
                                # clean up
                                $sType = trim($sType);
                                $sArg = trim($sArg);
                                $allParams['align'] = $sArg; # my iFrame
                        break;

                        case 'allowtransparency':
                                # clean up
                                $sType = trim($sType);
                                $sArg = trim($sArg);
                                $allParams['allowtransparency'] = $sArg; # my iFrame
                        break;
                }
        }

        # build output
        $output .= "<iframe src=\"".$allParams['website']."\" align=\"".$allParams['align']."\" name=\"".$allParams['name']."\" frameborder=\"".$allParams['border']."\" height=\"".$allParams['height']."\" scrolling=\"".$allParams['scroll']."\" width=\"".$allParams['width']."\" allowtransparency=\"".$allParams['allowtransparency']."\"></iframe>";

        # return the output
        return $output;

}
?>

Note that it isn't hard to add support for another attribute; however, security can be an issue, especially when you allow anonymous editors to use this.