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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 |
|---|---|
| 1537 | t.preloadImg.onerror = t.resetImageData; |
| 1538 | t.preloadImg.src = src; |
| 1539 | } |
| 1540 | } |
| 1541 | //]]> |
| 1542 | </script> |
| 1543 | |
| 1544 | <div id="media-items"> |
| 1545 | <div class="media-item media-blank"> |
| 1546 | <?php echo apply_filters($callback, call_user_func($callback)); ?> |
| 1547 | </div> |
| 1548 | </div> |
| 1549 | </form> |
| 1550 | <?php |
| 1551 | } else { |
| 1552 | wp_die( __('Unknown action.') ); |
| 1553 | } |
| 1554 | } |
| 1555 | |