'image'
);
$thumb_format = '';
/**
* Filter the arguments used to init image zoom popup.
*/
$init = apply_filters( 'azeria_post_image_popup_init', $default_init );
$init = wp_parse_args( $init, $default_init );
$init = json_encode( $init );
// Check if post has featured image
if ( has_post_thumbnail( $post_id ) ) {
$thumb = get_the_post_thumbnail( $post_id, 'post-thumbnail', array( 'alt' => get_the_title( $post_id ) ) );
$url = wp_get_attachment_url( get_post_thumbnail_id( $post_id ) );
} else {
// if not featured image - try to get image from content
$img = azeria_post_images();
if ( ! $img || empty( $img ) || empty( $img[0] ) ) {
return false;
} elseif ( is_int( $img[0] ) ) {
$thumb = wp_get_attachment_image( $img[0], 'post-thumbnail', '', array( 'alt' => get_the_title( $post_id ) ) );
$url = wp_get_attachment_url( $img[0] );
} else {
global $_wp_additional_image_sizes;
if ( ! isset( $_wp_additional_image_sizes['post-thumbnail'] ) ) {
return false;
}
$thumb = ' . ')
';
$url = $img[0];
}
}
printf( $thumb_format, $thumb, $url, $init );
}
/**
* Show featured gallery for gallery post format
*/
function azeria_post_gallery() {
$post_id = get_the_ID();
// first - try to get images from galleries in post
$post_gallery = get_post_gallery( $post_id, false );
if ( ! empty( $post_gallery['ids'] ) ) {
$post_gallery = explode( ',', $post_gallery['ids'] );
} elseif ( ! empty( $post_gallery['src'] ) ) {
$post_gallery = $post_gallery['src'];
} else {
$post_gallery = false;
}
// if can't try to catch images inserted into post
if ( ! $post_gallery ) {
$post_gallery = azeria_post_images( $post_id, 15 );
}
// and if not find any images - try to get images attached to post
if ( ! $post_gallery || empty( $post_gallery ) ) {
$attachments = get_children( array(
'post_parent' => $post_id,
'posts_per_page' => 3,
'post_status' => 'inherit',
'post_type' => 'attachment',
'post_mime_type' => 'image',
) );
if ( $attachments && is_array( $attachments ) ) {
$post_gallery = array_keys( $attachments );
}
}
if ( ! $post_gallery || empty( $post_gallery ) ) {
return false;
}
$output = azeria_get_gallery_html( $post_gallery, array( 'id' => $post_id ) );
echo $output;
}
/**
* Build default gallery HTML from images array.
*/
function azeria_get_gallery_html( $images, $atts = array() ) {
$atts = wp_parse_args( $atts, array(
'link' => ''
) );
$id = isset( $atts['id'] ) ? $atts['id'] : rand( 0, 999 );
$default_slider_init = array(
'infinite' => true,
'speed' => 400,
'fade' => true,
'cssEase' => 'linear',
'adaptiveHeight' => true,
'dots' => false,
'prevArrow' => '.entry-gallery-prev-' . $id,
'nextArrow' => '.entry-gallery-next-' . $id,
);
/**
* Filter default gallery slider inits.
*/
$init = apply_filters( 'azeria_post_gallery_slider_init', $default_slider_init );
$init = wp_parse_args( $init, $default_slider_init );
$init = json_encode( $init );
$default_gall_init = array(
'delegate' => '.popup-gallery-item',
'type' => 'image',
'gallery' => array(
'enabled' => true
)
);
/**
* Filter default gallery popup inits.
*/
$gall_init = apply_filters( 'azeria_post_gallery_popup_init', $default_gall_init );
$gall_init = wp_parse_args( $gall_init, $default_gall_init );
$gall_init = json_encode( $gall_init );
$items = array();
$counter = 0;
foreach ( $images as $img ) {
$caption = '';
if ( 0 === $counter ) {
$nth_class = '';
$counter++;
} else {
$nth_class = ' nth-child';
}
if ( 0 < intval( $img ) ) {
$image = wp_get_attachment_image( $img, 'post-thumbnail', '' );
$url = wp_get_attachment_url( $img );
$attachment = get_post( $img );
if ( ! empty( $attachment->post_excerpt ) ) {
$caption_class = 'entry-gallery-caption';
$caption_text = wptexturize( $attachment->post_excerpt );
$caption = '' . $caption_text . '';
}
} else {
global $_wp_additional_image_sizes;
if ( ! isset( $_wp_additional_image_sizes['post-thumbnail'] ) ) {
$width = 'auto';
} else {
$width = $_wp_additional_image_sizes['post-thumbnail']['width'];
}
$image = ' . ')
';
$url = $img;
}
if ( ! empty( $atts['link'] ) && 'none' === $atts['link'] ) {
$format = '%1$s%4$s';
} else {
$format = '%4$s';
}
$items[] = sprintf(
$format,
$image, $url, 'entry-gallery-item ' . $nth_class, $caption
);
}
$items = implode( "\r\n", $items );
$prev_arrow = sprintf( '%1$s', azeria_get_icon_svg( 'arrow-left' ), $id );
$next_arrow = sprintf( '%1$s', azeria_get_icon_svg( 'arrow-right' ), $id );
$result = sprintf(
'',
$items, 'entry-gallery', $init, $gall_init, $prev_arrow, $next_arrow
);
return $result;
}
/**
* Get images from post content.
* Returns image ID's if can find this image in database,
* returns image URL or bollen false in other case.
*/
function azeria_post_images( $post_id = null, $limit = 1 ) {
$post_id = ( null === $post_id ) ? get_the_ID() : $post_id;
$content = get_the_content();
// Gets first image from content.
preg_match_all( '/< *img[^>]*src *= *["\']?([^"\']*)/i', $content, $matches );
if ( !isset( $matches[1] ) ) {
return false;
}
$result = array();
global $wpdb;
for ( $i = 0; $i < $limit; $i++ ) {
if ( empty( $matches[1][$i] ) ) {
continue;
}
$image_src = esc_url( $matches[1][$i] );
$image_src = preg_replace( '/^(.+)(-\d+x\d+)(\..+)$/', '$1$3', $image_src );
// Try to get current image ID.
$query = "SELECT ID FROM $wpdb->posts WHERE guid=%s";
$id = $wpdb->get_var( $wpdb->prepare( $query, $image_src ) );
if ( ! $id ) {
$result[] = $image_src;
} else {
$result[] = (int)$id;
}
}
return $result;
}
/**
* Show first found video, iframe, object or embed tag in content.
*/
function azeria_post_video() {
$content = apply_filters( 'the_content', get_the_content() );
$types = array( 'video', 'object', 'embed', 'iframe' );
$embeds = get_media_embedded_in_content( $content, $types );
if ( empty( $embeds ) ) {
return;
}
foreach ( $types as $tag ) {
if ( preg_match( "/<{$tag}[^>]*>(.*?)<\/{$tag}>/", $embeds[0], $matches ) ) {
$result = $matches[0];
break;
}
}
if ( false === $result ) {
return;
}
printf( '%s
', $result );
}