What are best practices for implementing placeholders in PHP templates to ensure flexibility and ease of use?

When implementing placeholders in PHP templates, it is important to use a consistent and flexible approach to ensure ease of use and maintainability. One best practice is to use a simple and intuitive syntax for placeholders, such as curly braces {placeholder}. Additionally, make sure to clearly document the placeholders and their intended use to avoid confusion. Finally, consider using a templating engine like Twig to further enhance flexibility and readability. 

// Example of implementing placeholders in PHP template
$template = "Hello, {name}! Your email is {email}.";
$data = [
    'name' => 'John Doe',
    'email' => 'johndoe@example.com'
];

foreach ($data as $key => $value) {
    $template = str_replace("{" . $key . "}", $value, $template);
}

echo $template;

Keywords

placeholders PHP templates flexibility ease of use implementation

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