Joomla 3 - JFactory::getDocument()->countModules

I was following this link here https://groups.google.com/forum/#!topic/joomla-dev-general/4qXKUV8ofrk. It isn't working for me. Any ideas?

What is happening when you try that code?  Have you tried dumping any of the variables to see what is being returned?

function topSpanSize(){
    // count modules in the top container
    $modCount=0;
    for($i=1; $i<=3; $i++){
        $x=JFactory::getDocument();     // <------------- what happens here?
        die(print_r($x,1));             // <------------- what happens here?
        $module=JFactory::getDocument()->countModules('top-'.$i);
        if(!$module==0){  
            $modCount++;
        }
    }
    /* Calculate the span size based
     * on module count. e.g. If only 1 
     * module exist in the top-container 
     * then it should take up the whole row. 
     * i.e. span12  */
    if ($modCount<>0){
       $topSpanNum = 12/$modCount; 
    }
    else{
       $topSpanNum = 0;
    }
    return $topSpanNum;
}

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Thanks for posting routinet. As per your code above, when at line 5, $x variable of type JDocumentHTML is recognised. After line 6 it prints the following and dies:

 

JDocumentHTML Object ( [_links] => Array ( [http://localhost/joomla3_1/] => Array ( [relation] => canonical [relType] => rel [attribs] => Array ( ) ) ) [_custom] => Array ( ) [template] => alpha1_0 [baseurl] => /joomla3_1 [params] => JRegistry Object ( [data:protected] => stdClass Object ( ) ) [_file] => C:\xampp\htdocs\Joomla3_1/templates/alpha1_0/index.php [_template:protected] => [_template_tags:protected] => Array ( ) [_caching:protected] => [_html5:JDocumentHTML:private] => [title] => Home [description] => [link] => [base] => http://localhost/joomla3_1/index.php [language] => en-gb [direction] => ltr [_generator] => Joomla! - Open Source Content Management [_mdate] => [_tab] => [_lineEnd] => [_charset] => utf-8 [_mime] => text/html [_namespace] => [_profile] => [_scripts] => Array ( [/joomla3_1/media/system/js/mootools-core.js] => Array ( [mime] => text/javascript [defer] => [async] => ) [/joomla3_1/media/system/js/core.js] => Array ( [mime] => text/javascript [defer] => [async] => ) [/joomla3_1/media/system/js/caption.js] => Array ( [mime] => text/javascript [defer] => [async] => ) [/joomla3_1/media/jui/js/jquery.min.js] => Array ( [mime] => text/javascript [defer] => [async] => ) [/joomla3_1/media/jui/js/jquery-noconflict.js] => Array ( [mime] => text/javascript [defer] => [async] => ) [/joomla3_1/media/jui/js/bootstrap.min.js] => Array ( [mime] => text/javascript [defer] => [async] => ) ) [_script] => Array ( [text/javascript] => window.addEvent('load', function() { new JCaption('img.caption'); }); ) [_styleSheets] => Array ( [/joomla3_1/media/jui/css/bootstrap.min.css] => Array ( [mime] => text/css [media] => [attribs] => Array ( ) ) [/joomla3_1/media/jui/css/bootstrap-responsive.min.css] => Array ( [mime] => text/css [media] => [attribs] => Array ( ) ) [/joomla3_1/media/jui/css/bootstrap-extended.css] => Array ( [mime] => text/css [media] => [attribs] => Array ( ) ) ) [_style] => Array ( ) [_metaTags] => Array ( [http-equiv] => Array ( [content-type] => text/html; charset=utf-8 ) [standard] => Array ( [keywords] => [rights] => [author] => Super User ) ) [_engine] => [_type] => html )

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When I run my original codes and it hits line 8. The module count = 0. This is incorrect as I am definitely sure the module count should equal to 3. When I test the codes with $this->countModules() on the index file. It gives the correct count.

The index.php file is currently pulling in an external file via:

require dirname(__FILE__) . '\php\htmlOutputFns.php';

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output as per above code:

count for top-1=0
count for top-2=0
count for top-3=0

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Thanks... Stupid of me. I forgot to switch it on.