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<title>[51978] trunk/src/wp-includes/theme.php: Themes: Introduce `get_header_image_tag_attributes` hook.</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/51978">51978</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/51978","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>johnjamesjacoby</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2021-11-02 17:20:35 +0000 (Tue, 02 Nov 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'>Themes: Introduce `get_header_image_tag_attributes` hook.
This change adds a filter inside of the `get_header_image_tag()` function allowing developers to filter the attributes of the header image HTML tag before they are escaped, concatenated, and returned.
Before this change, it was not possible to externally and preemptively intercept this array of attributes. After this change, these attributes can now be easily filtered, matching it nicely to the `wp_get_attachment_image_attributes` hook.
Props audrasjb, chaion07, junaidbhura, sabernhardt.
Fixes <a href="https://core.trac.wordpress.org/ticket/38942">#38942</a>.</pre>
<h3>Modified Paths</h3>
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<li><a href="#trunksrcwpincludesthemephp">trunk/src/wp-includes/theme.php</a></li>
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<h3>Diff</h3>
<a id="trunksrcwpincludesthemephp"></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/theme.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/theme.php 2021-11-02 17:06:16 UTC (rev 51977)
+++ trunk/src/wp-includes/theme.php 2021-11-02 17:20:35 UTC (rev 51978)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1234,6 +1234,16 @@
</span><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><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /*
+ * Filters the list of header image attributes.
+ *
+ * @since 5.9.0
+ *
+ * @param array $attr Array of the attributes for the image tag.
+ * @param object $header The custom header object returned by 'get_custom_header()'.
+ */
+ $attr = apply_filters( 'get_header_image_tag_attributes', $attr, $header );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> $attr = array_map( 'esc_attr', $attr );
</span><span class="cx" style="display: block; padding: 0 10px"> $html = '<img';
</span><span class="cx" style="display: block; padding: 0 10px">
</span></span></pre>
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