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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 |
|---|---|
| 571 | } |
| 572 | |
| 573 | /** |
| 574 | * Filters whether the site has more than one author with published posts. |
| 575 | * |
| 576 | * @since 3.2.0 |
| 577 | * |
| 578 | * @param bool $is_multi_author Whether $is_multi_author should evaluate as true. |
| 579 | */ |
| 580 | return apply_filters( 'is_multi_author', (bool) $is_multi_author ); |
| 581 | } |
| 582 | |
| 583 | /** |
| 584 | * Helper function to clear the cache for number of authors. |
| 585 | * |
| 586 | * @since 3.2.0 |
| 587 | * @access private |
| 588 | */ |
| 589 | function __clear_multi_author_cache() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore |