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Detect Browser With PHP

Here’s a script to detect what browser is being used by your visitor.

<?php
if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') )
{
 if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Netscape') )
 {
 $browser = 'Netscape (Gecko/Netscape)';
 }
 else if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Firefox') )
 {
 $browser = 'Mozilla Firefox (Gecko/Firefox)';
 }
 else
 {
 $browser = 'Mozilla (Gecko/Mozilla)';
 }
}
else if ( strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') )
{
 if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') )
 {
 $browser = 'Opera (MSIE/Opera/Compatible)';
 }
 else
 {
 $browser = 'Internet Explorer (MSIE/Compatible)';
 }
}
else
{
 $browser = 'Others browsers';
}

echo $browser;
?>