function search_by_title_content_excerpt_id( $search, &$wp_query )
{
global $wpdb;
if ( empty( $search ) )
return $search; // skip processing - no search term in query
$q = $wp_query->query_vars;
$n = ! empty( $q['exact'] ) ? '' : '%';
$search =
$searchand = '';
foreach ( (array) $q['search_terms'] as $term ) {
$term = esc_sql( like_escape( $term ) );
$search .= "{$searchand}(($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content_filtered LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.ID = '{$term}'))";
$searchand = ' AND ';
}
if ( ! empty( $search ) ) {
$search = " AND ({$search}) ";
if ( ! is_user_logged_in() )
$search .= " AND ($wpdb->posts.post_password = '') ";
}
return $search;
} add_filter( 'posts_search', 'search_by_title_content_excerpt_id', 500, 2 );function my_search_pre_get_posts($query)
{
// If it's not a search return
if( !isset( $query->query_vars['p'] ) )
return;
// If it's a search but there's no prefix, return
if( '#' != substr( $query->query_vars['p'], 0, 1 ) )
return;
// Validate the numeric value
$id = absint( substr( $query->query_vars['p'], 1 ) );
if( !$id )
return; // Return if no ID, absint returns 0 for invalid values
// If we reach here, all criteria is fulfilled, unset search and select by ID instead
unset( $query->query_vars['p'] );
$query->query_vars['p'] = $id;
}
// Filter the search page
add_filter('pre_get_posts', 'my_search_pre_get_posts');<?php
add_filter('pre_get_posts', 'my_search_pre_get_posts');
?>
<div class="search-block">
<form role="search" method="get" id="searchform" action="<?php bloginfo('home'); ?>/">
<input id="s" type="text" placeholder="введите номер проекта" name="s" value="">
<input type="submit" id="searchsubmit" value="Найти проект" />
</form>
</div>