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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 |
|---|---|
| 398 | * |
| 399 | * The 'wp_meta' action can have several purposes, depending on how you use it, |
| 400 | * but one purpose might have been to allow for theme switching. |
| 401 | * |
| 402 | * @since 1.5.0 |
| 403 | * @link http://trac.wordpress.org/ticket/1458 Explanation of 'wp_meta' action. |
| 404 | * @uses do_action() Calls 'wp_meta' hook. |
| 405 | */ |
| 406 | function wp_meta() { |
| 407 | do_action('wp_meta'); |
| 408 | } |
| 409 | |
| 410 | /** |
| 411 | * Display information about the blog. |
| 412 | * |
| 413 | * @see get_bloginfo() For possible values for the parameter. |
| 414 | * @since 0.71 |
| 415 | * |
| 416 | * @param string $show What to display. |