kb-search.php

<?php

// template for search form

if (isset($_GET['soort'])) :
    // get current category
    $currentCategory = get_term_by('slug', $_GET['soort'], 'soort');

    if ($currentCategory) :
    ?>
    <div class="container container--narrow">
        <?php
            $soort_image = get_field('soort_image', 'soort_'.$currentCategory->term_id);
            // print_r($soort_image);
            if ( $soort_image !== false ) {
                $cat_img_array = wp_get_attachment_image_src( $soort_image, 'kennisbank', false );
                $cat_img = $cat_img_array[0];
            }
        ?>
        <section class="filter-info <?php if ( $cat_img) { echo 'met-image'; } ?>">
            <?php if ( $cat_img) { ?>
            <img class="filter-info__image" src="<?php echo $cat_img; ?>" alt="" />
            <?php } ?>
            <div class="filter-info__info">
                <h1 class="filter-info__title"><?php echo $currentCategory->name; ?></h1>
                <p class="filter-info__description"><?php echo term_description($currentCategory->term_id, 'soort'); ?></p>
            </div>
        </section>
    </div>
    <?php
    endif;
endif;

// get children of current category
$term_children = get_term_children( $currentCategory->term_id, 'soort' );
// if there are no children
if ( !$term_children ) {

    if ( isset( $_REQUEST['swpquery'] )) {
        $query = esc_html($_REQUEST['swpquery']);
    }
    else {
        $query = '';
    }

    if ( isset( $_REQUEST['soort'] )) {
        $soort = esc_html($_REQUEST['soort']);
    }
    else {
        $soort = '';
    }

    $split_soort = explode(",", $soort);

    if ( isset( $_REQUEST['thema'] )) {
        $thema = esc_html($_REQUEST['thema']);
    }
    else {
        $thema = '';
    }

    $split_thema = explode(",", $thema);

    if ( isset( $_REQUEST['country'] )) {
        $country = esc_html($_REQUEST['country']);
    }
    else {
        $country = '';
    }

    $split_country = explode(",", $country);

    $placeholder_zoeken = __("Search for title, document type or another search term", "kncv");
    $search             = __("Search", "kncv");
    $advanced_search    = __("Advanced search", "kncv");
?>
<form role="search" method="get" class="search" action="<?php echo get_permalink(icl_object_id(32, 'page', true)); ?>">
    <div class="container container--narrow">
        <fieldset class="search__terms">
            <label class="search__label" for="search-knowledgebase"><?php echo $search; ?></label>
            <input class="search__input" type="search" id="search-knowledgebase" name="swpquery" value="<?php echo $query; ?>" placeholder="<?php echo $placeholder_zoeken; ?>">
            <button class="search__submit" type="submit"><?php echo $search; ?></button>
        </fieldset>

<?php
    // advanced search

    $countries = get_posts( array( 'post_type' => 'land', 'orderby' => 'title', 'order' => 'ASC', 'posts_per_page' => '-1', 'suppress_filters' => 0 ));
    $soorten   = get_terms( 'soort', array( 'hide_empty' => true, 'suppress_filters' => 1 ) );
    $themas    = get_terms( 'thema', array( 'hide_empty' => true, 'suppress_filters' => 0 ) );
?>
        <fieldset class="search__advanced">
            <legend class="search__toggle-advanced"><?php echo $advanced_search; ?></legend>
<?php if ( !empty($countries) ) { ?>

            <input type="hidden" name="country">
            <ul class="search__filters">
            <?php foreach ( $countries as $country ) { ?>
            <li class="search__filter">
                <label class="checkbox-label search__filter-label">
                    <input type="checkbox" class="checkbox search__filter-checkbox" data-search-filter="country" name="<?php echo $country->post_name; ?>" value="<?php echo $country->post_name; ?>" <?php if ( in_array( $country->post_name, $split_country) ) { echo " checked"; } ?>> <?php echo $country->post_title; ?>
                </label>
            </li>
            <?php } ?>
        </ul>
<?php } if ( !empty($soorten) ) { ?>

        <input type="hidden" name="soort" value="<?php echo $soort; ?>">
        <ul class="search__filters">
<?php foreach ( $soorten as $soort ) { ?>
            <li class="search__filter">
                <label class="checkbox-label search__filter-label">
                    <input type="checkbox" class="checkbox search__filter-checkbox" data-search-filter="soort" name="taxonomy" value="<?php echo $soort->slug; ?>" <?php if ( in_array( $soort->slug, $split_soort) ) { echo " checked"; } ?>> <?php echo kncv_translated_term_name($soort); ?>
                </label>
            </li>
<?php } ?>
        </ul>
<?php } ?>

<?php if ( !empty($themas) ) { ?>

        <input type="hidden" name="thema" value="<?php echo $thema; ?>">
        <ul class="search__filters">
<?php foreach ( $themas as $thema ) { ?>
            <li class="search__filter">
                <label class="checkbox-label search__filter-label">
                    <input type="checkbox" class="checkbox search__filter-checkbox" data-search-filter="thema" name="taxonomy" value="<?php echo $thema->slug; ?>" <?php if ( in_array( $thema->slug, $split_thema) ) { echo " checked"; } ?>> <?php echo kncv_translated_term_name($thema); ?>
                </label>
            </li>
<?php
        }
        echo '</ul>';
    }
?>
        </fieldset>
    </div>
</form>
<?php } ?>