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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 |
|---|---|
| 608 | } |
| 609 | |
| 610 | /** |
| 611 | * Filters whether the site has more than one author with published posts. |
| 612 | * |
| 613 | * @since 3.2.0 |
| 614 | * |
| 615 | * @param bool $is_multi_author Whether $is_multi_author should evaluate as true. |
| 616 | */ |
| 617 | return apply_filters( 'is_multi_author', (bool) $is_multi_author ); |
| 618 | } |
| 619 | |
| 620 | /** |
| 621 | * Helper function to clear the cache for number of authors. |
| 622 | * |
| 623 | * @since 3.2.0 |
| 624 | * @access private |
| 625 | */ |
| 626 | function __clear_multi_author_cache() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore |