How can developers optimize their PHP scripts to ensure proper functionality across different browsers?

To optimize PHP scripts for proper functionality across different browsers, developers can use conditional statements to detect the user's browser and serve specific code accordingly. This can involve checking the user agent string or utilizing PHP functions like `get_browser()` to determine the browser being used. By tailoring the code based on the browser, developers can ensure a consistent user experience. 

$browser = get_browser(null, true);
if($browser['browser'] == 'Firefox'){
    // Firefox specific code
} elseif($browser['browser'] == 'Chrome'){
    // Chrome specific code
} else {
    // Default code for other browsers
}

Keywords

cross-browser compatibility PHP scripts optimization browser testing web development

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