投稿コンテンツから First Gallery ショートコードを取得する関数:
// Return first gallery shortcode
function get_shortcode_gallery ( $post = 0 ) {
if ( $post = get_post($post) ) {
$post_gallery = get_post_gallery($post, false);
if ( ! empty($post_gallery) ) {
$shortcode = "[gallery";
foreach ( $post_gallery as $att => $val ) {
if ( $att !== 'src') {
if ( $att === 'size') $val = "full"; // Set custom attribute value
$shortcode .= " ". $att .'="'. $val .'"'; // Add attribute name and value ( attribute="value")
}
}
$shortcode .= "]";
return $shortcode;
}
}
}
// Example of how to use:
echo do_shortcode( get_shortcode_gallery() );
投稿コンテンツから最初のギャラリーのショートコードを削除する関数:
// Deletes first gallery shortcode and returns content
function strip_shortcode_gallery( $content ) {
preg_match_all( '/'. get_shortcode_regex() .'/s', $content, $matches, PREG_SET_ORDER );
if ( ! empty( $matches ) ) {
foreach ( $matches as $shortcode ) {
if ( 'gallery' === $shortcode[2] ) {
$pos = strpos( $content, $shortcode[0] );
if ($pos !== false)
return substr_replace( $content, '', $pos, strlen($shortcode[0]) );
}
}
}
return $content;
}
// Example of how to use:
$content = strip_shortcode_gallery( get_the_content() ); // Delete first gallery shortcode from post content
$content = str_replace( ']]>', ']]>', apply_filters( 'the_content', $content ) ); // Apply filter to achieve the same output that the_content() returns
echo $content;