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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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281 | ); |
282 |
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283 | /** |
284 | * Filter the messages displayed when a tag is updated. |
285 | * |
286 | * @since 3.7.0 |
287 | * |
288 | * @param array $messages The messages to be displayed. |
289 | */ |
290 | $messages = apply_filters( 'term_updated_messages', $messages ); |
291 |
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292 | $message = false; |
293 | if ( isset( $_REQUEST['message'] ) && ( $msg = (int) $_REQUEST['message'] ) ) { |
294 | if ( isset( $messages[ $taxonomy ][ $msg ] ) ) |
295 | $message = $messages[ $taxonomy ][ $msg ]; |
296 | elseif ( ! isset( $messages[ $taxonomy ] ) && isset( $messages['_item'][ $msg ] ) ) |
297 | $message = $messages['_item'][ $msg ]; |
298 | } |
299 |
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