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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 |
|---|---|
| 1454 | * |
| 1455 | * @since 2.9.0 |
| 1456 | * |
| 1457 | * @param string $term_list List of terms to display. |
| 1458 | * @param string $taxonomy The taxonomy name. |
| 1459 | * @param string $before String to use before the terms. |
| 1460 | * @param string $sep String to use between the terms. |
| 1461 | * @param string $after String to use after the terms. |
| 1462 | */ |
| 1463 | echo apply_filters( 'the_terms', $term_list, $taxonomy, $before, $sep, $after ); |
| 1464 | } |
| 1465 | |
| 1466 | /** |
| 1467 | * Checks if the current post has any of given category. |
| 1468 | * |
| 1469 | * The given categories are checked against the post's categories' term_ids, names and slugs. |
| 1470 | * Categories given as integers will only be checked against the post's categories' term_ids. |
| 1471 | * |
| 1472 | * If no categories are given, determines if post has any categories. |