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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 |
|---|---|
| 5489 | * @since 3.3.0 |
| 5490 | * |
| 5491 | * @param string $slug The post slug. |
| 5492 | * @param int $post_id Post ID. |
| 5493 | * @param string $post_status The post status. |
| 5494 | * @param string $post_type Post type. |
| 5495 | * @param int $post_parent Post parent ID |
| 5496 | * @param string $original_slug The original post slug. |
| 5497 | */ |
| 5498 | return apply_filters( 'wp_unique_post_slug', $slug, $post_id, $post_status, $post_type, $post_parent, $original_slug ); |
| 5499 | } |
| 5500 | |
| 5501 | /** |
| 5502 | * Truncates a post slug. |
| 5503 | * |
| 5504 | * @since 3.6.0 |
| 5505 | * @access private |
| 5506 | * |
| 5507 | * @see utf8_uri_encode() |