Category listing speedups. see #3985
git-svn-id: https://develop.svn.wordpress.org/trunk@5179 602fd350-edb4-49c9-b593-d223f7449a82
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@ -264,12 +264,17 @@ function &_get_cat_children($category_id, $categories) {
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$category_list = array();
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$children = _get_category_hierarchy();
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if ( ( 0 != $category_id ) && ! isset($children[$category_id]) )
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return array();
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foreach ( $categories as $category ) {
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if ( $category->cat_ID == $category_id )
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continue;
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if ( $category->category_parent == $category_id ) {
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$category_list[] = $category;
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if ( !isset($children[$category->cat_ID]) )
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continue;
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