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Code Duplication    Length = 4-4 lines in 2 locations

wp-includes/query.php 2 locations

@@ 2044-2047 (lines=4) @@
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		if ( '' != $q['tag'] && !$this->is_singular && $this->query_vars_changed ) {
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			if ( strpos($q['tag'], ',') !== false ) {
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				$tags = preg_split('/[,\r\n\t ]+/', $q['tag']);
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				foreach ( (array) $tags as $tag ) {
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					$tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db');
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					$q['tag_slug__in'][] = $tag;
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				}
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			} elseif ( preg_match('/[+\r\n\t ]+/', $q['tag'] ) || ! empty( $q['cat'] ) ) {
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				$tags = preg_split('/[+\r\n\t ]+/', $q['tag']);
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				foreach ( (array) $tags as $tag ) {
@@ 2050-2053 (lines=4) @@
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				}
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			} elseif ( preg_match('/[+\r\n\t ]+/', $q['tag'] ) || ! empty( $q['cat'] ) ) {
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				$tags = preg_split('/[+\r\n\t ]+/', $q['tag']);
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				foreach ( (array) $tags as $tag ) {
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					$tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db');
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					$q['tag_slug__and'][] = $tag;
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				}
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			} else {
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				$q['tag'] = sanitize_term_field('slug', $q['tag'], 0, 'post_tag', 'db');
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				$q['tag_slug__in'][] = $q['tag'];