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pixelbart/is_ie.php

Created December 3, 2019 16:44
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Prüft ob der aktuelle Browser der Internet Explorer ist.
Raw
is_ie.php
/**
* Prüft ob der aktuelle Browser der Internet Explorer ist.
*
* @return boolean
*/
function is_ie() {
if ( isset( $_SERVER['HTTP_USER_AGENT'] ) ) {
$ua = htmlentities( $_SERVER['HTTP_USER_AGENT'], ENT_QUOTES, 'UTF-8' );
if ( preg_match( '~MSIE|Internet Explorer~i', $ua ) || ( strpos( $ua, 'Trident/7.0' ) !== false && strpos( $ua, 'rv:11.0' ) !== false ) ) {
return true;
}
}
return false;
}
// Usage
if ( is_ie() ) {
echo 'Internet Explorer entdeckt!';
}
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