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<title>[42597] branches/4.9: Query: Fix warning on counting non countable</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/42597">42597</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/42597","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>jorbin</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2018-01-24 21:43:17 +0000 (Wed, 24 Jan 2018)</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'>Query: Fix warning on counting non countable
Merges <a href="https://core.trac.wordpress.org/changeset/42581">[42581]</a>, <a href="https://core.trac.wordpress.org/changeset/42585">[42585]</a>, and <a href="https://core.trac.wordpress.org/changeset/42594">[42594]</a> to the 4.9 branch.
Adds tests to continue the behavior for both null and strings. Skip the tests on PHP 5.2 as they require ReflectionMethod.
See https://wiki.php.net/rfc/counting_non_countables for information on the PHP change.
Fixes <a href="https://core.trac.wordpress.org/ticket/42860">#42860</a>.
Props dd32 for test skipping and janak007 and ayeshrajans for initial patches.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches49srcwpincludesclasswpqueryphp">branches/4.9/src/wp-includes/class-wp-query.php</a></li>
<li><a href="#branches49testsphpunittestspostqueryphp">branches/4.9/tests/phpunit/tests/post/query.php</a></li>
</ul>
<h3>Property Changed</h3>
<ul>
<li><a href="#branches49">branches/4.9/</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/4.9
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/4.9 2018-01-24 21:40:09 UTC (rev 42596)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/4.9 2018-01-24 21:43:17 UTC (rev 42597)
</ins><a id="branches49"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/4.9</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/3.1:18031
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/3.3:20543
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/3.4:21757
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:18512,42132,42134,42136,42138,42140,42144,42146,42148,42150,42152-42153,42155,42157,42159,42161,42163,42169,42171,42173,42175,42177,42181,42183,42185,42187,42189,42191,42193,42199,42203,42210,42214,42220,42222,42226,42242,42244,42247,42251,42258-42261,42350,42362,42364-42368,42374,42388,42390,42401,42417,42421,42423-42425,42430,42433,42437,42441,42443,42446-42447,42449,42451,42453,42457,42459,42462,42491,42521,42529,42531,42533,42536,42538,42541,42543,42545,42549,42566,42568,42570,42572,42574,42576,42579,42582,42584,42587-42588,42590,42592,42595
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:18512,42132,42134,42136,42138,42140,42144,42146,42148,42150,42152-42153,42155,42157,42159,42161,42163,42169,42171,42173,42175,42177,42181,42183,42185,42187,42189,42191,42193,42199,42203,42210,42214,42220,42222,42226,42242,42244,42247,42251,42258-42261,42350,42362,42364-42368,42374,42388,42390,42401,42417,42421,42423-42425,42430,42433,42437,42441,42443,42446-42447,42449,42451,42453,42457,42459,42462,42491,42521,42529,42531,42533,42536,42538,42541,42543,42545,42549,42566,42568,42570,42572,42574,42576,42579,42581-42582,42584-42585,42587-42588,42590,42592,42594-42595
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches49srcwpincludesclasswpqueryphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.9/src/wp-includes/class-wp-query.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.9/src/wp-includes/class-wp-query.php 2018-01-24 21:40:09 UTC (rev 42596)
+++ branches/4.9/src/wp-includes/class-wp-query.php 2018-01-24 21:43:17 UTC (rev 42597)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -3032,7 +3032,15 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> $this->found_posts = $wpdb->get_var( apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &$this ) ) );
</span><span class="cx" style="display: block; padding: 0 10px"> } else {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $this->found_posts = count( $this->posts );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( is_array( $this->posts ) ) {
+ $this->found_posts = count( $this->posts );
+ } else {
+ if ( null === $this->posts ) {
+ $this->found_posts = 0;
+ } else {
+ $this->found_posts = 1;
+ }
+ }
</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="branches49testsphpunittestspostqueryphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.9/tests/phpunit/tests/post/query.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.9/tests/phpunit/tests/post/query.php 2018-01-24 21:40:09 UTC (rev 42596)
+++ branches/4.9/tests/phpunit/tests/post/query.php 2018-01-24 21:43:17 UTC (rev 42597)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -535,4 +535,42 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertEquals( 2, $q->found_posts );
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertEquals( 2, $q->max_num_pages );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ public function set_found_posts_provider() {
+ // count return 0 for null, but 1 for other data you may not expect
+ return array(
+ array( null, 0 ),
+ array( '', 1 ),
+ array( "To life, to life, l'chaim", 1 ),
+ array( false, 1 ),
+ );
+ }
+
+ /**
+ * @ticket 42860
+ *
+ * @dataProvider set_found_posts_provider
+ */
+ public function test_set_found_posts_not_posts_as_an_array( $posts, $expected ) {
+ if ( version_compare( PHP_VERSION, '5.3', '<' ) ) {
+ $this->markTestSkipped( 'ReflectionMethod::setAccessible is only available in PHP 5.3+' );
+ return;
+ }
+
+ $q = new WP_Query(
+ array(
+ 'post_type' => 'wptests_pt',
+ 'posts_per_page' => 1,
+ )
+ );
+
+ $q->posts = $posts;
+
+ $methd = new \ReflectionMethod( 'WP_Query', 'set_found_posts' );
+ $methd->setAccessible( true );
+ $methd->invoke( $q, array( 'no_found_rows' => false ), array() );
+
+ $this->assertEquals( $expected, $q->found_posts );
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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