automatische Bildergalerie aller Medien mit GPS

add_shortcode( 'gallerywithallmedia', 'gallerywithallmedia_shortcode' );


function gallerywithallmedia_shortcode( $attr ) {
    $post = get_post();


    static $instance = 0;
    $instance++;


    if ( ! empty( $attr['ids'] ) ) {
        // 'ids' is explicitly ordered, unless you specify otherwise.
        if ( empty( $attr['orderby'] ) ) {
            $attr['orderby'] = 'post__in';
        }
        $attr['include'] = $attr['ids'];
    }
    
    $output = apply_filters( 'post_gallery', '', $attr, $instance );


    if ( ! empty( $output ) ) {
        return $output;
    }


    $html5 = current_theme_supports( 'html5', 'gallery' );
    $atts  = shortcode_atts(
        array(
            'order'      => 'ASC',
            'orderby'    => 'menu_order ID',
            'id'         => $post ? $post->ID : 0,
            'itemtag'    => $html5 ? 'figure' : 'dl',
            'icontag'    => $html5 ? 'div' : 'dt',
            'captiontag' => $html5 ? 'figcaption' : 'dd',
            'columns'    => 3,
            'size'       => 'thumbnail',
            'include'    => '',
            'exclude'    => '',
            'link'       => '',
    
        ),
        $attr,
        'gallery'
    );


    $id = (int) $atts['id'];
    $attachments = get_posts(
            array(
                'exclude'        => $attr['exclude'],
                'post_status'    => 'inherit',
                'post_mime_type' => 'image',
                'post_type'      => 'attachment',
                
            )
    );
    if ( empty( $attachments ) ) {
        return '';
    }




    $itemtag    = tag_escape( $atts['itemtag'] );
    $captiontag = tag_escape( $atts['captiontag'] );
    $icontag    = tag_escape( $atts['icontag'] );
    $valid_tags = wp_kses_allowed_html( 'post' );
    if ( ! isset( $valid_tags[ $itemtag ] ) ) {
        $itemtag = 'dl';
    }
    if ( ! isset( $valid_tags[ $captiontag ] ) ) {
        $captiontag = 'dd';
    }
    if ( ! isset( $valid_tags[ $icontag ] ) ) {
        $icontag = 'dt';
    }


    $columns   = (int) $atts['columns'];
    $itemwidth = $columns > 0 ? floor( 100 / $columns ) : 100;
    $float     = is_rtl() ? 'right' : 'left';


    $selector = "gallery-{$instance}";


    $gallery_style = '';


    if ( apply_filters( 'use_default_gallery_style', ! $html5 ) ) {
        $type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"';


        $gallery_style = "
        <style{$type_attr}>
            #{$selector} {
                margin: auto;
            }
            #{$selector} .gallery-item {
                float: {$float};
                margin-top: 10px;
                text-align: center;
                width: {$itemwidth}%;
            }
            #{$selector} img {
                border: 2px solid #cfcfcf;
            }
            #{$selector} .gallery-caption {
                margin-left: 0;
            }
            /* see gallery_shortcode() in wp-includes/media.php */
        </style>\n\t\t";
    }


    $size_class  = sanitize_html_class( is_array( $atts['size'] ) ? implode( 'x', $atts['size'] ) : $atts['size'] );
    $gallery_div = "<div id='$selector' class='gallery galleryid-{$id} gallery-columns-{$columns} gallery-size-{$size_class}'>";


    $output = apply_filters( 'gallery_style', $gallery_style . $gallery_div );


    $i = 0;


    foreach ( $attachments as $key => $attachment ) {
        $id =  $attachment->ID;
        $attr = ( trim( $attachment->post_excerpt ) ) ? array( 'aria-describedby' => "$selector-$id" ) : '';


        if ( ! empty( $atts['link'] ) && 'file' === $atts['link'] ) {
            $image_output = wp_get_attachment_link( $id, $atts['size'], false, false, false, $attr );
        } elseif ( ! empty( $atts['link'] ) && 'none' === $atts['link'] ) {
            $image_output = wp_get_attachment_image( $id );
        } else {
            $image_output = wp_get_attachment_link( $id, $atts['size'], true, false, false, $attr );
        }
        
        


        $image_meta = wp_get_attachment_metadata( $id );


        $orientation = '';


        if ( isset( $image_meta['height'], $image_meta['width'] ) ) {
            $orientation = ( $image_meta['height'] > $image_meta['width'] ) ? 'portrait' : 'landscape';
        }


        $output .= "<{$itemtag} class='gallery-item'>";
        $output .= "
            <{$icontag} class='gallery-icon {$orientation}'>
                $image_output
            </{$icontag}>";


        if ( $captiontag && trim( $attachment->post_excerpt ) ) {
            $output .= "
                <{$captiontag} class='wp-caption-text gallery-caption' id='$selector-$id'>
                " . wptexturize( $attachment->post_excerpt ) . "
                </{$captiontag}>";
        }


        $output .= "</{$itemtag}>";


        if ( ! $html5 && $columns > 0 && 0 === ++$i % $columns ) {
            $output .= '<br style="clear: both" />';
        }
    }


    if ( ! $html5 && $columns > 0 && 0 !== $i % $columns ) {
        $output .= "
            <br style='clear: both' />";
    }


    $output .= "
        </div>\n";


    return $output;
}