Changeset 12019

Timestamp:

10/10/2009 08:31:21 AM (15 years ago)

Author:

markjaquith

Message:

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

File:

• trunk/wp-includes/post-template.php (modified) (1 diff)

trunk/wp-includes/post-template.php

@@ -895 +895 @@
 
 //
+// Post images
+//
+
+function has_post_image( $post_id = NULL ) {
+    global $id;
+    $post_id = ( NULL === $post_id ) ? $id : $post_id;
+    return !! get_post_image_id( $post_id );
+}
+
+function get_post_image_id( $post_id = NULL ) {
+    global $id;
+    $post_id = ( NULL === $post_id ) ? $id : $post_id;
+    return get_post_meta( $post_id, '_thumbnail_id', true );
+}
+
+function the_post_image( $size = 'thumbnail' ) {
+    echo get_the_post_image( $size );
+}
+
+function get_the_post_image( $size = 'thumbnail', $post_id = NULL ) {
+    global $id;
+    $post_id = ( NULL === $post_id ) ? $id : $post_id;
+    $post_image_id = get_post_image_id( $post_id );
+    $size = apply_filters( 'post_image_size', $size );
+    if ( $post_image_id ) {
+        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
+        $html = wp_get_attachment_image( $post_image_id, $size );
+        do_action( 'end_fetch_post_image_html', $post_id, $post_image_id, $size );
+    } else {
+        $html = '';
+    }
+    return apply_filters( 'post_image_html', $html, $post_id, $post_image_id );
+}
+
+//
 // Attachments
 //