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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 |
|---|---|
| 356 | * |
| 357 | * The 'wp_meta' action can have several purposes, depending on how you use it, |
| 358 | * but one purpose might have been to allow for theme switching. |
| 359 | * |
| 360 | * @since 1.5.0 |
| 361 | * @link http://trac.wordpress.org/ticket/1458 Explanation of 'wp_meta' action. |
| 362 | * @uses do_action() Calls 'wp_meta' hook. |
| 363 | */ |
| 364 | function wp_meta() { |
| 365 | do_action('wp_meta'); |
| 366 | } |
| 367 | |
| 368 | /** |
| 369 | * Display information about the blog. |
| 370 | * |
| 371 | * @see get_bloginfo() For possible values for the parameter. |
| 372 | * @since 0.71 |
| 373 | * |
| 374 | * @param string $show What to display. |