block
1.28
Using block with the defined test was added in Twig 1.28.
1.28
Support for the template argument was added in Twig 1.28.
When a template uses inheritance and if you want to print a block multiple
times, use the block function:
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<title>{% block title %}{% endblock %}</title>
<h1>{{ block('title') }}</h1>
{% block body %}{% endblock %}The block function can also be used to display one block from another
template:
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{{ block("title", "common_blocks.twig") }}Use the defined test to check if a block exists in the context of the
current template:
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{% if block("footer") is defined %}
...
{% endif %}
{% if block("footer", "common_blocks.twig") is defined %}
...
{% endif %}