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<h1><code class="docutils literal"><span class="pre">block</span></code><a class="headerlink" href="#block" title="Permalink to this headline">ΒΆ</a></h1>
<p>When a template uses inheritance and if you want to print a block multiple
times, use the <code class="docutils literal"><span class="pre">block</span></code> function:</p>
<div class="highlight-jinja"><div class="highlight"><pre><span></span><span class="x"><title></span><span class="cp">{%</span> <span class="k">block</span> <span class="nv">title</span> <span class="cp">%}{%</span> <span class="k">endblock</span> <span class="cp">%}</span><span class="x"></title></span>
<span class="x"><h1></span><span class="cp">{{</span> <span class="nb">block</span><span class="o">(</span><span class="s1">'title'</span><span class="o">)</span> <span class="cp">}}</span><span class="x"></h1></span>
<span class="cp">{%</span> <span class="k">block</span> <span class="nv">body</span> <span class="cp">%}{%</span> <span class="k">endblock</span> <span class="cp">%}</span><span class="x"></span>
</pre></div>
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<p>The <code class="docutils literal"><span class="pre">block</span></code> function can also be used to display one block from another
template:</p>
<div class="highlight-jinja"><div class="highlight"><pre><span></span><span class="cp">{{</span> <span class="nb">block</span><span class="o">(</span><span class="s2">"title"</span><span class="o">,</span> <span class="s2">"common_blocks.twig"</span><span class="o">)</span> <span class="cp">}}</span><span class="x"></span>
</pre></div>
</div>
<p>Use the <code class="docutils literal"><span class="pre">defined</span></code> test to check if a block exists in the context of the
current template:</p>
<div class="highlight-jinja"><div class="highlight"><pre><span></span><span class="cp">{%</span> <span class="k">if</span> <span class="nb">block</span><span class="o">(</span><span class="s2">"footer"</span><span class="o">)</span> <span class="k">is</span> <span class="nf">defined</span> <span class="cp">%}</span><span class="x"></span>
<span class="x"> ...</span>
<span class="cp">{%</span> <span class="k">endif</span> <span class="cp">%}</span><span class="x"></span>
<span class="cp">{%</span> <span class="k">if</span> <span class="nb">block</span><span class="o">(</span><span class="s2">"footer"</span><span class="o">,</span> <span class="s2">"common_blocks.twig"</span><span class="o">)</span> <span class="k">is</span> <span class="nf">defined</span> <span class="cp">%}</span><span class="x"></span>
<span class="x"> ...</span>
<span class="cp">{%</span> <span class="k">endif</span> <span class="cp">%}</span><span class="x"></span>
</pre></div>
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<p class="first admonition-title">See also</p>
<p class="last"><a class="reference internal" href="../tags/extends.html"><span class="doc">extends</span></a>, <a class="reference internal" href="parent.html"><span class="doc">parent</span></a></p>
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