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<title>[50123] trunk: Editor: Introduce a dynamic filter for the content of a single block:</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/50123">50123</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/50123","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>SergeyBiryukov</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2021-02-01 18:04:36 +0000 (Mon, 01 Feb 2021)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Editor: Introduce a dynamic filter for the content of a single block:
`render_block_{$this->name}`
This complements the existing `render_block` hook and allows for filtering the content of a specific block without having to use conditionals inside the filter callback.
Props manzoorwani.jk, noisysocks, birgire, johnbillion.
Fixes <a href="https://core.trac.wordpress.org/ticket/46187">#46187</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesclasswpblockphp">trunk/src/wp-includes/class-wp-block.php</a></li>
<li><a href="#trunktestsphpunittestsblocksblockphp">trunk/tests/phpunit/tests/blocks/block.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpincludesclasswpblockphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/class-wp-block.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-wp-block.php 2021-02-01 17:22:06 UTC (rev 50122)
+++ trunk/src/wp-includes/class-wp-block.php 2021-02-01 18:04:36 UTC (rev 50123)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -241,7 +241,22 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * @param string $block_content The block content about to be appended.
</span><span class="cx" style="display: block; padding: 0 10px"> * @param array $block The full block, including name and attributes.
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- return apply_filters( 'render_block', $block_content, $this->parsed_block );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $block_content = apply_filters( 'render_block', $block_content, $this->parsed_block );
+
+ /**
+ * Filters the content of a single block.
+ *
+ * The dynamic portion of the hook name, `$name`, refers to
+ * the block name, e.g. "core/paragraph".
+ *
+ * @since 5.7.0
+ *
+ * @param string $block_content The block content about to be appended.
+ * @param array $block The full block, including name and attributes.
+ */
+ $block_content = apply_filters( "render_block_{$this->name}", $block_content, $this->parsed_block );
+
+ return $block_content;
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="trunktestsphpunittestsblocksblockphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/blocks/block.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/blocks/block.php 2021-02-01 17:22:06 UTC (rev 50122)
+++ trunk/tests/phpunit/tests/blocks/block.php 2021-02-01 18:04:36 UTC (rev 50123)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -328,7 +328,26 @@
</span><span class="cx" style="display: block; padding: 0 10px"> remove_filter( 'render_block', array( $this, 'filter_render_block' ) );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertSame( 'Original: "StaticOriginal: "Inner", from block "core/example"", from block "core/example"', $rendered_content );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ }
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /**
+ * @ticket 46187
+ */
+ function test_render_applies_dynamic_render_block_filter() {
+ $this->registry->register( 'core/example', array() );
+
+ add_filter( 'render_block_core/example', array( $this, 'filter_render_block' ), 10, 2 );
+
+ $parsed_blocks = parse_blocks( '<!-- wp:example -->Static<!-- wp:example -->Inner<!-- /wp:example --><!-- /wp:example -->' );
+ $parsed_block = $parsed_blocks[0];
+ $context = array();
+ $block = new WP_Block( $parsed_block, $context, $this->registry );
+
+ $rendered_content = $block->render();
+
+ remove_filter( 'render_block_core/example', array( $this, 'filter_render_block' ) );
+
+ $this->assertSame( 'Original: "StaticOriginal: "Inner", from block "core/example"", from block "core/example"', $rendered_content );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span></span></pre>
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