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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 |
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446 | } else { |
447 | $post->iconsize = array($imagesize[0], $imagesize[1]); |
448 | } |
449 | } |
450 |
|
451 | $post_title = attribute_escape($post->post_title); |
452 |
|
453 | $icon = "<img src='$src' title='$post_title' alt='$post_title' $constraint/>"; |
454 |
|
455 | return apply_filters( 'attachment_icon', $icon, $post->ID ); |
456 | } |
457 |
|
458 | function get_attachment_innerHTML($id = 0, $fullsize = false, $max_dims = false) { |
459 | $id = (int) $id; |
460 | if ( !$post = & get_post($id) ) |
461 | return false; |
462 |
|
463 | if ( $innerHTML = get_attachment_icon($post->ID, $fullsize, $max_dims)) |
464 | return $innerHTML; |