What are common methods for browser detection in PHP?

Browser detection in PHP can be done using various methods such as checking user-agent strings, using the get_browser() function, or utilizing third-party libraries like Browser.php. These methods can help determine the type of browser accessing the website, which can be useful for customizing content or functionality based on the user's browser. 

$user_agent = $_SERVER['HTTP_USER_AGENT'];

if (strpos($user_agent, 'MSIE') !== FALSE) {
    echo 'You are using Internet Explorer.';
} elseif (strpos($user_agent, 'Firefox') !== FALSE) {
    echo 'You are using Firefox.';
} elseif (strpos($user_agent, 'Chrome') !== FALSE) {
    echo 'You are using Chrome.';
} elseif (strpos($user_agent, 'Safari') !== FALSE) {
    echo 'You are using Safari.';
} else {
    echo 'Unable to detect your browser.';
}

Keywords

User agent get_browser $_SERVER mobile detection browser sniffing

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