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Source View: wp_query_search_exclusion_prefix

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Line Code
1323
1324           /**
1325            * Filters the prefix that indicates that a search term should be excluded from results.
1326            *
1327            * @since 4.7.0
1328            *
1329            * @param string $exclusion_prefix The prefix. Default '-'. Returning
1330            *                                 an empty value disables exclusions.
1331            */
1332           $exclusion_prefix = apply_filters( 'wp_query_search_exclusion_prefix', '-' );
1333
1334           foreach ( $q['search_terms'] as $term ) {
1335                // If there is an $exclusion_prefix, terms prefixed with it should be excluded.
1336                $exclude = $exclusion_prefix && ( $exclusion_prefix === substr( $term, 0, 1 ) );
1337                if ( $exclude ) {
1338                     $like_op  = 'NOT LIKE';
1339                     $andor_op = 'AND';
1340                     $term     = substr( $term, 1 );
1341                } else {