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Changeset 12019


Ignore:
Timestamp:
10/10/2009 08:31:21 AM (11 years ago)
Author:
markjaquith
Message:

First pass at canonical post image template functions. see #10928

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/wp-includes/post-template.php

    r12013 r12019  
    895895
    896896//
     897// Post images
     898//
     899
     900function has_post_image( $post_id = NULL ) {
     901    global $id;
     902    $post_id = ( NULL === $post_id ) ? $id : $post_id;
     903    return !! get_post_image_id( $post_id );
     904}
     905
     906function get_post_image_id( $post_id = NULL ) {
     907    global $id;
     908    $post_id = ( NULL === $post_id ) ? $id : $post_id;
     909    return get_post_meta( $post_id, '_thumbnail_id', true );
     910}
     911
     912function the_post_image( $size = 'thumbnail' ) {
     913    echo get_the_post_image( $size );
     914}
     915
     916function get_the_post_image( $size = 'thumbnail', $post_id = NULL ) {
     917    global $id;
     918    $post_id = ( NULL === $post_id ) ? $id : $post_id;
     919    $post_image_id = get_post_image_id( $post_id );
     920    $size = apply_filters( 'post_image_size', $size );
     921    if ( $post_image_id ) {
     922        do_action( 'begin_fetch_post_image_html', $post_id, $post_image_id, $size ); // for "Just In Time" filtering of all of wp_get_attachment_image()'s filters
     923        $html = wp_get_attachment_image( $post_image_id, $size );
     924        do_action( 'end_fetch_post_image_html', $post_id, $post_image_id, $size );
     925    } else {
     926        $html = '';
     927    }
     928    return apply_filters( 'post_image_html', $html, $post_id, $post_image_id );
     929}
     930
     931//
    897932// Attachments
    898933//
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