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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 |
|---|---|
| 58 | exit; |
| 59 | } |
| 60 | |
| 61 | if ( $_REQUEST['short'] ) { |
| 62 | // short form response - attachment ID only |
| 63 | echo $id; |
| 64 | } else { |
| 65 | // long form response - big chunk o html |
| 66 | $type = $_REQUEST['type']; |
| 67 | echo apply_filters("async_upload_{$type}", $id); |
| 68 | } |
| 69 | |
| 70 | ?> |
| 71 | |