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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 |
|---|---|
| 424 | |
| 425 | // Add magic quotes and set up $_REQUEST ( $_GET + $_POST ). |
| 426 | wp_magic_quotes(); |
| 427 | |
| 428 | /** |
| 429 | * Fires when comment cookies are sanitized. |
| 430 | * |
| 431 | * @since 2.0.11 |
| 432 | */ |
| 433 | do_action( 'sanitize_comment_cookies' ); |
| 434 | |
| 435 | /** |
| 436 | * WordPress Query object |
| 437 | * |
| 438 | * @global WP_Query $wp_the_query WordPress Query object. |
| 439 | * @since 2.0.0 |
| 440 | */ |
| 441 | $GLOBALS['wp_the_query'] = new WP_Query(); |
| 442 | |