Include or exclude custom post types in wordpress search result

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Defining post types in search query allows you to include or exclude the custom post types in wordpress search result. Just add this function to functions.php

// MAKE CUSTOM POST TYPES SEARCHABLE
 function searchAll( $query ) {
     if ( $query->is_search ) {
         $query->set( 'post_type', array( 'site','plugin', 'theme','person' ));
     }
     return $query;
 }
 add_filter( 'the_search_query', 'searchAll' );
$query->set( 'post_type', array( 'site','plugin', 'theme','person' )); we can add or remove the post-types to be searched. Short but effective.

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