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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 |
---|---|
425 | if ( file_exists( TEMPLATEPATH . '/functions.php' ) ) |
426 | include( TEMPLATEPATH . '/functions.php' ); |
427 | } |
428 |
|
429 | /** |
430 | * Fires after the theme is loaded. |
431 | * |
432 | * @since 3.0.0 |
433 | */ |
434 | do_action( 'after_setup_theme' ); |
435 |
|
436 | // Set up current user. |
437 | $GLOBALS['wp']->init(); |
438 |
|
439 | /** |
440 | * Fires after WordPress has finished loading but before any headers are sent. |
441 | * |
442 | * Most of WP is loaded at this stage, and the user is authenticated. WP continues |
443 | * to load on the {@see 'init'} hook that follows (e.g. widgets), and many plugins instantiate |