array_unique() category__in and category__not_in to eliminate dupes from multiple runs of parse_tax_query(). Fixes canonical redirects for cat, category__in, and category__not_in requests. see #12891 #15487
git-svn-id: https://develop.svn.wordpress.org/trunk@16513 602fd350-edb4-49c9-b593-d223f7449a82
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@ -12,6 +12,7 @@ if ( !isset($wp_did_header) ) {
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require_once( dirname(__FILE__) . '/wp-load.php' );
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wp();
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//echo '<pre>'; print_r($wp_query); echo '</pre>'; exit;
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require_once( ABSPATH . WPINC . '/template-loader.php' );
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@ -1546,6 +1546,7 @@ class WP_Query {
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}
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if ( !empty($q['category__in']) ) {
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$q['category__in'] = array_unique( $q['category__in'] );
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$tax_query[] = array(
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'taxonomy' => 'category',
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'terms' => $q['category__in'],
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@ -1555,6 +1556,7 @@ class WP_Query {
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}
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if ( !empty($q['category__not_in']) ) {
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$q['category__not_in'] = array_unique( $q['category__not_in'] );
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$tax_query[] = array(
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'taxonomy' => 'category',
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'terms' => $q['category__not_in'],
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