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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 |
---|---|
420 | return $output; |
421 | } |
422 |
|
423 | $listtag = tag_escape($listtag); |
424 | $itemtag = tag_escape($itemtag); |
425 | $captiontag = tag_escape($captiontag); |
426 | $columns = intval($columns); |
427 | $itemwidth = $columns > 0 ? floor(100/$columns) : 100; |
428 | |
429 | $output = apply_filters('gallery_style', " |
430 | <style type='text/css'> |
431 | .gallery { |
432 | margin: auto; |
433 | } |
434 | .gallery-item { |
435 | float: left; |
436 | margin-top: 10px; |
437 | text-align: center; |
438 | width: {$itemwidth}%; } |