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When faced with the task of hiding a div, one common approach is to output a CSS style using an if statement. This can be done by echoing out a CSS style of display: none. While this method is simple to implement, it raises questions about its effectiveness and compatibility with browser caching.
Using PHP within your CSS is considered unorthodox. It is preferable to separate the styling from the logic by adhering to the separation of concerns principle.
While browser caching can improve performance, it can also pose challenges when updating styles dynamically. If the browser caches the original CSS style, it may ignore the echoed-out style, resulting in the div remaining visible.
To avoid the issues associated with outputting CSS with PHP, consider the following alternatives:
<body> <?php if (condition) { ?> <div>
<body> <div>
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