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<title>[48905] trunk/src: Media: Make the `is_gd_image()` function available on front end.</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/48905">48905</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/48905","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>2020-08-28 16:43:31 +0000 (Fri, 28 Aug 2020)</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'>Media: Make the `is_gd_image()` function available on front end.
This avoids a fatal error if a plugin calls image creation or editing functions like `wp_imagecreatetruecolor()` outside of the admin.
Follow-up to <a href="https://core.trac.wordpress.org/changeset/48798">[48798]</a>
Props BackuPs.
Fixes <a href="https://core.trac.wordpress.org/ticket/51174">#51174</a>. See <a href="https://core.trac.wordpress.org/ticket/50833">#50833</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadminincludesimagephp">trunk/src/wp-admin/includes/image.php</a></li>
<li><a href="#trunksrcwpincludesmediaphp">trunk/src/wp-includes/media.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpadminincludesimagephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-admin/includes/image.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/image.php 2020-08-28 13:10:29 UTC (rev 48904)
+++ trunk/src/wp-admin/includes/image.php 2020-08-28 16:43:31 UTC (rev 48905)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -913,29 +913,6 @@
</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><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * Determines whether the value is an acceptable type for GD image functions.
- *
- * In PHP 8.0, the GD extension uses GdImage objects for its data structures.
- * This function checks if the passed value is either a resource of type `gd`
- * or a GdImage object instance. Any other type will return false.
- *
- * @since 5.6.0
- *
- * @param resource|GdImage|false $image A value to check the type for.
- * @return bool True if $image is either a GD image resource or GdImage instance,
- * false otherwise.
- */
-function is_gd_image( $image ) {
- if ( is_resource( $image ) && 'gd' === get_resource_type( $image )
- || is_object( $image ) && $image instanceof GdImage
- ) {
- return true;
- }
-
- return false;
-}
-
-/**
</del><span class="cx" style="display: block; padding: 0 10px"> * Load an image resource for editing.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 2.9.0
</span></span></pre></div>
<a id="trunksrcwpincludesmediaphp"></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/media.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/media.php 2020-08-28 13:10:29 UTC (rev 48904)
+++ trunk/src/wp-includes/media.php 2020-08-28 16:43:31 UTC (rev 48905)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -3459,6 +3459,29 @@
</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">+ * Determines whether the value is an acceptable type for GD image functions.
+ *
+ * In PHP 8.0, the GD extension uses GdImage objects for its data structures.
+ * This function checks if the passed value is either a resource of type `gd`
+ * or a GdImage object instance. Any other type will return false.
+ *
+ * @since 5.6.0
+ *
+ * @param resource|GdImage|false $image A value to check the type for.
+ * @return bool True if $image is either a GD image resource or GdImage instance,
+ * false otherwise.
+ */
+function is_gd_image( $image ) {
+ if ( is_resource( $image ) && 'gd' === get_resource_type( $image )
+ || is_object( $image ) && $image instanceof GdImage
+ ) {
+ return true;
+ }
+
+ return false;
+}
+
+/**
</ins><span class="cx" style="display: block; padding: 0 10px"> * Create new GD image resource with transparency support
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @todo Deprecate if possible.
</span></span></pre>
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