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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 |
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552 | } |
553 |
|
554 | /** |
555 | * Filters whether the site has more than one author with published posts. |
556 | * |
557 | * @since 3.2.0 |
558 | * |
559 | * @param bool $is_multi_author Whether $is_multi_author should evaluate as true. |
560 | */ |
561 | return apply_filters( 'is_multi_author', (bool) $is_multi_author ); |
562 | } |
563 |
|
564 | /** |
565 | * Helper function to clear the cache for number of authors. |
566 | * |
567 | * @since 3.2.0 |
568 | * @access private |
569 | */ |
570 | function __clear_multi_author_cache() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore |