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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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607 | } |
608 |
|
609 | /** |
610 | * Filters whether the site has more than one author with published posts. |
611 | * |
612 | * @since 3.2.0 |
613 | * |
614 | * @param bool $is_multi_author Whether $is_multi_author should evaluate as true. |
615 | */ |
616 | return apply_filters( 'is_multi_author', (bool) $is_multi_author ); |
617 | } |
618 |
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619 | /** |
620 | * Helper function to clear the cache for number of authors. |
621 | * |
622 | * @since 3.2.0 |
623 | * @access private |
624 | */ |
625 | function __clear_multi_author_cache() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore |