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<title>[58415] trunk/src/wp-includes/class-wp-image-editor-imagick.php: Media: Use `version_compare()` for Imagick version check when removing alpha.</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/58415">58415</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/58415","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>antpb</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2024-06-14 14:41:52 +0000 (Fri, 14 Jun 2024)</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: Use `version_compare()` for Imagick version check when removing alpha.
Previously `remove_pdf_alpha_channel()` used `Imagick::getVersion()` to validate the environment is capable of handling alpha. This was the incorrect function to use to check the module version as it will only provide the ImageMagick API version. This patch adjusts to instead use `phpversion()` as this is the correct method to get the Imagick version needed to determine alpha compatibility. This fixes a number of host tests that have been correctly failing on subsets of environments. Serendipidously, sometimes the API version was high enough to avoid shining light on this problem.
Props swissspidy, joedolson, antpb.
Fixes <a href="https://core.trac.wordpress.org/ticket/60798">#60798</a>.</pre>
<h3>Modified Paths</h3>
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<li><a href="#trunksrcwpincludesclasswpimageeditorimagickphp">trunk/src/wp-includes/class-wp-image-editor-imagick.php</a></li>
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<h3>Diff</h3>
<a id="trunksrcwpincludesclasswpimageeditorimagickphp"></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-image-editor-imagick.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-wp-image-editor-imagick.php 2024-06-14 12:16:42 UTC (rev 58414)
+++ trunk/src/wp-includes/class-wp-image-editor-imagick.php 2024-06-14 14:41:52 UTC (rev 58415)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -775,9 +775,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 6.4.0
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> protected function remove_pdf_alpha_channel() {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $version = Imagick::getVersion();
</del><span class="cx" style="display: block; padding: 0 10px"> // Remove alpha channel if possible to avoid black backgrounds for Ghostscript >= 9.14. RemoveAlphaChannel added in ImageMagick 6.7.5.
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( $version['versionNumber'] >= 0x675 ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( version_compare( phpversion( 'imagick' ), '9.14', '>=' ) ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> try {
</span><span class="cx" style="display: block; padding: 0 10px"> // Imagick::ALPHACHANNEL_REMOVE mapped to RemoveAlphaChannel in PHP imagick 3.2.0b2.
</span><span class="cx" style="display: block; padding: 0 10px"> $this->image->setImageAlphaChannel( defined( 'Imagick::ALPHACHANNEL_REMOVE' ) ? Imagick::ALPHACHANNEL_REMOVE : 12 );
</span></span></pre>
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