Is it recommended to use template systems in PHP applications and how can they impact the placement of meta tags?

Using template systems in PHP applications is recommended for separating the presentation layer from the business logic. This can make the code easier to maintain and update. When using template systems, meta tags can be easily placed in the appropriate sections of the template files, ensuring they are included in the final HTML output. 

// Example of placing meta tags in a template file using a template system like Twig

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>{{ page_title }}</title>
    <meta name="description" content="{{ page_description }}">
    <meta name="keywords" content="{{ page_keywords }}">
</head>
<body>
    <h1>{{ page_title }}</h1>
    <p>{{ page_content }}</p>
</body>
</html>

Keywords

template systems PHP applications meta tags impact placement

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