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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 |
---|---|
315 | if ( file_exists( TEMPLATEPATH . '/functions.php' ) ) |
316 | include( TEMPLATEPATH . '/functions.php' ); |
317 | } |
318 |
|
319 | /** |
320 | * Fires after the theme is loaded. |
321 | * |
322 | * @since 3.0.0 |
323 | */ |
324 | do_action( 'after_setup_theme' ); |
325 |
|
326 | // Set up current user. |
327 | $wp->init(); |
328 |
|
329 | /** |
330 | * Fires after WordPress has finished loading but before any headers are sent. |
331 | * |
332 | * Most of WP is loaded at this stage, and the user is authenticated. WP continues |
333 | * to load on the init hook that follows (e.g. widgets), and many plugins instantiate |