What are common compatibility issues between PHP code and different browsers like Internet Explorer?

Common compatibility issues between PHP code and Internet Explorer can arise due to differences in how the browser interprets and executes certain PHP functions or features. To solve these issues, it is important to test PHP code on Internet Explorer and make necessary adjustments, such as using conditional statements or polyfills to ensure cross-browser compatibility. 

<?php
// Example of using conditional statements to address compatibility with Internet Explorer
if(strpos($_SERVER['HTTP_USER_AGENT'], 'Trident') !== false || strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false) {
    // Code specific to Internet Explorer
    echo "This code is for Internet Explorer";
} else {
    // Code for other browsers
    echo "This code is for other browsers";
}
?>

Keywords

PHP browser compatibility Internet Explorer cross-browser code optimization

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