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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 |
|---|---|
| 3398 | /** |
| 3399 | * Filter the unique term slug. |
| 3400 | * |
| 3401 | * @since 4.3.0 |
| 3402 | * |
| 3403 | * @param string $slug Unique term slug. |
| 3404 | * @param object $term Term object. |
| 3405 | * @param string $original_slug Slug originally passed to the function for testing. |
| 3406 | */ |
| 3407 | return apply_filters( 'wp_unique_term_slug', $slug, $term, $original_slug ); |
| 3408 | } |
| 3409 | |
| 3410 | /** |
| 3411 | * Update term based on arguments provided. |
| 3412 | * |
| 3413 | * The $args will indiscriminately override all values with the same field name. |
| 3414 | * Care must be taken to not override important information need to update or |
| 3415 | * update will fail (or perhaps create a new term, neither would be acceptable). |
| 3416 | * |