TraversingSearch Resultswith Sessions + Transients

Tammy HartWeb Designer + Developerat UpTrending

@tammyhart

Objective:

1. Temporarily store search results

2. Navigate search results with next and previous post links

You will need:

• WordPress site with several posts

• WP Session Manager Plugin by Eric Mann

1 2 3

654

987

121110

? =

loopconf_search_array( $search_hash )=

array( 2, 4, 8, 9, 11 )

/** * Return search array */function loopconf_search_array( $search_hash ) { // check for existence of unique transient if ( false === ( $search_array = get_transient( 'loopconf_search_' . $search_hash ) ) ) { global $wpdb; $posts = $wpdb->get_results( $GLOBALS['wp_query']->request );

$search_array = array();

if ( false === empty( $posts ) ) { foreach ( $posts as $post ) { $search_array[] = $post->ID; } } // save the transient for 10 minutes set_transient( 'loopconf_search_' . $search_hash, $search_array, MINUTE_IN_SECONDS * 10 ); } return $search_array;}

?

unique string

posts array

session

$wp_session['search_string'] = 'cats'

$wp_session['search_hash'] = 'lkmvdsoi939ks0fdm...'

$wp_session['search_array'] = array( 2, 4, 8, 9, 11 )

/** * Set session search_string */function loopconf_set_search_string() { global $wp_query; $wp_session = WP_Session::get_instance(); // if we’re on a search page, save the search data if ( !is_admin() && is_search() && isset( $wp_query->query_vars_hash ) ) { $search_string = $wp_query->query['s']; $search_hash = $wp_query->query_vars_hash; $wp_session['search_string'] = $search_string; $wp_session['search_hash'] = $search_hash; $wp_session['search_array'] = loopconf_search_array( $search_hash ); } // if we’re anywhere else, clear the search data if ( !is_admin() && !is_search() && !is_single() && is_main_query() ) { $wp_session['search_string'] = $wp_session['search_hash'] = $wp_session['search_array'] = null; }}add_action( 'pre_get_posts', 'loopconf_set_search_string' );

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if ( $go_forward ) { return 9 }

else { return 4 }

/** * Get the next or previous post in the array */function loopconf_get_next_search_result( $next = true ) { $wp_session = WP_Session::get_instance(); // make sure there’s a search saved in the session if ( isset( $wp_session['search_array'] ) === false ) { return false; } // set variables $next_key = 0;

$search_array = $wp_session['search_array']->toArray(); $current_key = array_search( get_the_ID(), $search_array );

...

...

// get next or previous location in the array if ( $next === true ) {

$next_key = $current_key + 1; if ( isset( $search_array[$next_key] ) === false ) { $next_key = 0; }

} else {

$next_key = $current_key - 1; if ( isset( $search_array[$next_key] ) === false ) { end( $search_array ); $next_key = key( $search_array ); }

} // return value from that location return $search_array[$next_key];}

<?php$prev_url = $next_url = false;

// get next and prev search results or just the linksif ( loopconf_get_next_search_result() ) { $wp_session = WP_Session::get_instance(); $prev_url = get_permalink( loopconf_get_next_search_result( false ) ); $next_url = get_permalink( loopconf_get_next_search_result() );

} else {

$prev_url = get_previous_post(); $next_url = get_next_post();

}?>

<div class="single-nav">

<a href="<?php echo esc_url( $prev_url ); ?>" class="prev">Previous</a>

<a href="<?php echo esc_url( $next_url ); ?>" class="next">Next</a>

</div>

Live example: weststudio.com

�anks!

bit.ly/traverse_loopconf

@uptrending / @tammyhart