functions.php

<?php

// require __DIR__ . '/application.php';

@ini_set( 'upload_max_size' , '8M' );
@ini_set( 'post_max_size', '8M');
@ini_set( 'max_execution_time', '300' );
@ini_set('memory_limit', '400M' );

add_theme_support( 'post-thumbnails' );



/*function my_assets() {
    wp_enqueue_style( 'cks-styles', get_template_directory_uri() . '/css/cks-styles.css' );
}
add_action( 'wp_enqueue_scripts', 'my_assets' );*/

/*function load_my_script(){
    wp_register_script( 
        'slick-carousel', 
        get_template_directory_uri() . '/js/slick.js', 
        array( 'jquery' )
    );
    wp_enqueue_script( 'slick-carousel' );
}
add_action('wp_enqueue_scripts', 'load_my_script');*/



/*function product_search_scripts() {
    wp_enqueue_script( 'product-search', get_stylesheet_directory_uri() . '/js/product-search.js', array( 'jquery' ), true );
    wp_localize_script( 'product-search', 'ajax_url', admin_url('admin-ajax.php') );
    // echo "<script>console.log('my custom_scripts function is working');</script>";
}*/
// add_action( 'wp_enqueue_scripts', 'product_search_scripts' );


/*function product_search() {

    product_search_scripts();

    ob_start();
    ?>
    <div id="product-search">
        <form action="" method="get" class="product-search-form">
            <label for="product-search">Product Search</label>
            <input class="search-input" type="text" name="product-search" />
            <button type="submit">Search</button>
        </form>
    </div>
    <?php
    return ob_get_clean();
}
add_shortcode( 'product_search', 'product_search' );

add_action( 'wp_ajax_product_search', 'product_search_callback' );
add_action( 'wp_ajax_nopriv_product_search', 'product_search_callback' );*/

// http://vhcollections.com/wp-admin/admin-ajax.php?action=product_search

/*function product_search_callback() {

    header("Content-Type: application/json");

    // echo "test callback";
    // print_r($_GET);
    // die();


    $results = array();

    $args = array(
        'post_type'              => array( 'products' ),
        'post_status'            => array( 'publish' ),
        's'                      => 'desk',
        'nopaging'               => true,
        'posts_per_page'         => '-1',
    );

    // $args['meta_query'][] = array(
    //     'key' => 'product_type',
    //     'value' => '',
    //     'compare' => '='
    // );

    $product_query = new WP_Query( $args );

    while( $product_query->have_posts() ) {

        $product_query->the_post();

        $result[] = array(
            "id" => get_the_ID(),
            "title" => get_the_title(),
            "permalink" => get_permalink()
        );

        // echo "<li>" . get_the_title() . "</li>";
    }

    echo json_encode($result);

    wp_die();
}

// function product_search_scripts() {
//   echo "<script>console.log('my test function is working');</script>";
//   wp_localize_script( 'product-search', 'ajax_object', admin_url('admin-ajax.php') );
// }

add_action( 'init', 'product_search_scripts' );*/


function register_my_menu() {
  register_nav_menu('header-menu',__( 'Header Menu' ));
}
add_action( 'init', 'register_my_menu' );

function post_type_tags( $post_type = '' ) {
    global $wpdb;

    if ( empty( $post_type ) ) {
        $post_type = get_post_type();
    }

    return $wpdb->get_results( $wpdb->prepare( "
        SELECT COUNT( DISTINCT tr.object_id ) 
            AS count, tt.taxonomy, tt.description, tt.term_taxonomy_id, t.name, t.slug, t.term_id 
        FROM {$wpdb->posts} p 
        INNER JOIN {$wpdb->term_relationships} tr 
            ON p.ID=tr.object_id 
        INNER JOIN {$wpdb->term_taxonomy} tt 
            ON tt.term_taxonomy_id=tr.term_taxonomy_id 
        INNER JOIN {$wpdb->terms} t 
            ON t.term_id=tt.term_taxonomy_id 
        WHERE p.post_type=%s 
            AND tt.taxonomy='post_tag' 
        GROUP BY tt.term_taxonomy_id 
        ORDER BY count DESC
    ", $post_type ) );
}

function custom_excerpt_length( $length ) {
	return 50;
}
add_filter( 'excerpt_length', 'custom_excerpt_length', 999 );

function alx_browser_body_class( $classes ) {
    global $is_lynx, $is_gecko, $is_IE, $is_opera, $is_NS4, $is_safari, $is_chrome, $is_iphone;
 
    if($is_lynx) $classes[] = 'lynx';
    elseif($is_gecko) $classes[] = 'gecko';
    elseif($is_opera) $classes[] = 'opera';
    elseif($is_NS4) $classes[] = 'ns4';
    elseif($is_safari) $classes[] = 'safari';
    elseif($is_chrome) $classes[] = 'chrome';
    elseif($is_IE) {
        $browser = $_SERVER['HTTP_USER_AGENT'];
        $browser = substr( "$browser", 25, 8);
        if ($browser == "MSIE 7.0"  ) {
            $classes[] = 'ie7';
            $classes[] = 'ie';
        } elseif ($browser == "MSIE 6.0" ) {
            $classes[] = 'ie6';
            $classes[] = 'ie';
        } elseif ($browser == "MSIE 8.0" ) {
            $classes[] = 'ie8';
            $classes[] = 'ie';
        } elseif ($browser == "MSIE 9.0" ) {
            $classes[] = 'ie9';
            $classes[] = 'ie';
        } else {
            $classes[] = 'ie';
        }
    }
    else $classes[] = 'unknown';
 
    if( $is_iphone ) $classes[] = 'iphone';
 
    return $classes;
}
add_filter( 'body_class', 'alx_browser_body_class' );

session_start();

/*add_filter('posts_orderby', 'edit_posts_orderby');

function edit_posts_orderby($orderby_statement) {

    $seed = $_SESSION['seed'];
    if (empty($seed)) {
      $seed = rand();
      $_SESSION['seed'] = $seed;
    }

    $orderby_statement = 'RAND('.$seed.')';
    return $orderby_statement;
}*/

function my_acf_init() {
    
    acf_update_setting('google_api_key', 'AIzaSyC9Hxg3Dm-_ckCwTDMgiJWafBhxyoYPIt0');
}

add_action('acf/init', 'my_acf_init');


/*
 * Add columns to products post list
 */
function add_acf_columns ( $columns ) {
   return array_merge ( $columns, array ( 
     'product_type' => __ ( 'Product Category' )
   ) );
 }
 add_filter ( 'manage_products_posts_columns', 'add_acf_columns' );

 /*
 * Add columns to exhibition post list
 */
function products_custom_column ( $column, $post_id ) {
   switch ( $column ) {
     case 'product_type':
       echo get_post_meta ( $post_id, 'product_type', true );
       break;
   }
 }
 add_action ( 'manage_products_posts_custom_column', 'products_custom_column', 10, 2 );


 /*
 * Nice Search plugin to update url of search results
 */
/*function cws_nice_search_redirect() {
    global $wp_rewrite;
    if ( !isset( $wp_rewrite ) || !is_object( $wp_rewrite ) || !$wp_rewrite->using_permalinks() )
        return;

    $search_base = $wp_rewrite->search_base;
    if ( is_search() && !is_admin() && strpos( $_SERVER['REQUEST_URI'], "/{$search_base}/" ) === false ) {
        wp_redirect( home_url( "/collections/" . urlencode( get_query_var( 's' ) ) ) );
        exit();
    }
}*/