How can the block feature in Twig be utilized for horizontal inheritance in PHP template systems?

When using a PHP template system like Twig, the block feature can be utilized for horizontal inheritance by allowing child templates to override specific sections of a parent template. This can be useful for creating reusable templates with shared layouts while still allowing for customization in specific areas. 

// parent_template.twig
<!DOCTYPE html>
<html>
<head>
    <title>{% block title %}Default Title{% endblock %}</title>
</head>
<body>
    <header>
        {% block header %}Default Header{% endblock %}
    </header>
    <main>
        {% block content %}Default Content{% endblock %}
    </main>
    <footer>
        {% block footer %}Default Footer{% endblock %}
    </footer>
</body>
</html>
```

```php
// child_template.twig
{% extends 'parent_template.twig' %}

{% block title %}Child Title{% endblock %}

{% block content %}
    <h1>Welcome to the Child Template!</h1>
    <p>This is the customized content for the child template.</p>
{% endblock %}

Keywords

Twig block feature horizontal inheritance PHP template systems utilization

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