How do PHP frameworks like Zend advise on handling whitespace and HTML code within PHP files for optimal performance?

Whitespace and HTML code within PHP files can impact performance by increasing file size and load times. To optimize performance, it is recommended to minimize whitespace and HTML code within PHP files. PHP frameworks like Zend advise using template engines or separating HTML code from PHP logic to improve readability and maintainability. 

<?php
// Example of separating HTML code from PHP logic using a template engine
// This can improve performance by reducing the amount of HTML code within PHP files

// In your PHP file
$data = ['name' => 'John Doe', 'age' => 30];
$template = new TemplateEngine('template.html');
$output = $template->render($data);

echo $output;

// TemplateEngine class
class TemplateEngine {
    private $template;

    public function __construct($template) {
        $this->template = $template;
    }

    public function render($data) {
        ob_start();
        extract($data);
        include $this->template;
        return ob_get_clean();
    }
}
?>

Keywords

PHP frameworks Zend whitespace handling HTML code performance optimization

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