Defined (1)

The function is defined in the following location(s).

/wp-admin/includes/post.php  

function _fix_attachment_links( $post ) { 
    $post = get_post( $post, ARRAY_A ); 
    $content = $post['post_content']; 
 
    // Don't run if no pretty permalinks or post is not published, scheduled, or privately published. 
    if ( ! get_option( 'permalink_structure' ) || ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ) ) ) 
        return; 
 
    // Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero) 
    if ( !strpos($content, '?attachment_id=') || !preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) ) 
        return; 
 
    $site_url = get_bloginfo('url'); 
    $site_url = substr( $site_url, (int) strpos($site_url, '://') ); // remove the http(s) 
    $replace = ''; 
 
    foreach ( $link_matches[1] as $key => $value ) { 
        if ( !strpos($value, '?attachment_id=') || !strpos($value, 'wp-att-') 
            || !preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match ) 
            || !preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) ) 
                continue; 
 
        $quote = $url_match[1]; // the quote (single or double) 
        $url_id = (int) $url_match[2]; 
        $rel_id = (int) $rel_match[1]; 
 
        if ( !$url_id || !$rel_id || $url_id != $rel_id || strpos($url_match[0], $site_url) === false ) 
            continue; 
 
        $link = $link_matches[0][$key]; 
        $replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link ); 
 
        $content = str_replace( $link, $replace, $content ); 
    } 
 
    if ( $replace ) { 
        $post['post_content'] = $content; 
        // Escape data pulled from DB. 
        $post = add_magic_quotes($post); 
 
        return wp_update_post($post); 
    } 
}