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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 |
|---|---|
| 559 | |
| 560 | // Add magic quotes and set up $_REQUEST ( $_GET + $_POST ). |
| 561 | wp_magic_quotes(); |
| 562 | |
| 563 | /** |
| 564 | * Fires when comment cookies are sanitized. |
| 565 | * |
| 566 | * @since 2.0.11 |
| 567 | */ |
| 568 | do_action( 'sanitize_comment_cookies' ); |
| 569 | |
| 570 | /** |
| 571 | * WordPress Query object |
| 572 | * |
| 573 | * @since 2.0.0 |
| 574 | * |
| 575 | * @global WP_Query $wp_the_query WordPress Query object. |
| 576 | */ |
| 577 | $GLOBALS['wp_the_query'] = new WP_Query(); |