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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 1752 | t.preloadImg.onerror = t.resetImageData; |
| 1753 | t.preloadImg.src = src; |
| 1754 | } |
| 1755 | } |
| 1756 | //]]> |
| 1757 | </script> |
| 1758 | |
| 1759 | <div id="media-items"> |
| 1760 | <div class="media-item media-blank"> |
| 1761 | <?php echo apply_filters($callback, call_user_func($callback)); ?> |
| 1762 | </div> |
| 1763 | </div> |
| 1764 | </form> |
| 1765 | <?php |
| 1766 | } else { |
| 1767 | wp_die( __('Unknown action.') ); |
| 1768 | } |
| 1769 | } |
| 1770 | |