How can beginners avoid loading CSS multiple times in PHP files?

Beginners can avoid loading CSS multiple times in PHP files by using a conditional check to ensure that the CSS file is only included once. This can be achieved by setting a variable to track whether the CSS file has already been included and then only including the CSS file if the variable is not set. By implementing this check, beginners can prevent redundancy and improve the efficiency of their PHP files. 

<?php
// Set a variable to track whether the CSS file has been included
if (!isset($css_loaded)) {
    $css_loaded = true;
    echo '<link rel="stylesheet" type="text/css" href="styles.css">';
}
?>

Keywords

PHP CSS file inclusion require_once optimization

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