How to get the $_SERVER variables in Zend Framework

We can get this by calling the method $this->getRequest()->getServer() in the Zend_Controller_Action

How to remove the session name space in Zend Framework

Session name space can be removed using the function
Zend_Session::namespaceUnset($nameOfspace)

How to remove the recipients in the Zend Framework

We can use the clearRecipients function in the Zend_Mail class
Zend_Mail::clearRecipients();

check and uncheck the all checkbox using javascript

/**
pass the checkbox_name array
**/
function checkAll(form_object, checkbox_name)
{
for(var i=0; i < form_object[checkbox_name].length; i++)
{
form_object[checkbox_name][i].checked = true;
}
}

function uncheckAll(form_object, checkbox_name)
{
for(var i=0; i < form_object[checkbox_name].length; i++){

form_object[checkbox_name][i].checked = false;

}
}

Convert video file to .flv format

xec("ffmpeg -i '/home/tut2pr8c/public_html/videos/$video_file' -ar 22050 -ab 32 -f flv -y -s 400x320 /home/tut2pr8c/public_html/video_flv/$new_video_file_name");
exec("ffmpeg -i '/home/tut2pr8c/public_html/videos/$video_file' -ar 22050 -ab 32 -f flv -y -s 400x320 /home/tut2pr8c/public_html/video_flv/$new_video_file_name");

Find browser using PHP

public function getBrowserType(){

$sUserBrowserAgent = '';

if (ereg('OPERA(/| )([0-9].[0-9]{1,2})', strtoupper($_SERVER["HTTP_USER_AGENT"]), $log_version)) {
$sUserBrowserAgent = 'OPERA';
} else if (ereg('MSIE ([0-9].[0-9]{1,2})', strtoupper($_SERVER["HTTP_USER_AGENT"]), $log_version)) {
$sUserBrowserAgent = 'IE';
} else if (ereg('OMNIWEB/([0-9].[0-9]{1,2})', strtoupper($_SERVER["HTTP_USER_AGENT"]), $log_version)) {
$sUserBrowserAgent = 'OMNIWEB';
} else if (ereg('MOZILLA/([0-9].[0-9]{1,2})', strtoupper($_SERVER["HTTP_USER_AGENT"]), $log_version)) {
$sUserBrowserAgent = 'MOZILLA';
} else if (ereg('KONQUEROR/([0-9].[0-9]{1,2})', strtoupper($_SERVER["HTTP_USER_AGENT"]), $log_version)) {
$sUserBrowserAgent = 'KONQUEROR';
} else {
$sUserBrowserAgent = 'OTHER';
}

return $sUserBrowserAgent;

}

MYSQL - LEFT JOIN query

SELECT U.username, U.user_id, SR.section_id, U.access, count( DISTINCT SR.section_id ) AS section_count
FROM `users` U
LEFT JOIN `survey_replies` SR ON ( U.user_id = SR.user_id )
WHERE U.access >1
GROUP BY U.user_id
ORDER BY SR.section_id