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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 |
---|---|
719 | /** |
720 | * Filters the archive title and styles the word before the first colon. |
721 | * |
722 | * @param string $title Current archive title. |
723 | * |
724 | * @return string $title Current archive title. |
725 | */ |
726 | function twentytwenty_get_the_archive_title( $title ) { |
727 |
|
728 | $regex = apply_filters( |
729 | 'twentytwenty_get_the_archive_title_regex', |
730 | array( |
731 | 'pattern' => '/(\A[^\:]+\:)/', |
732 | 'replacement' => '<span class="color-accent">$1</span>', |
733 | ) |
734 | ); |
735 |
|
736 | if ( empty( $regex ) ) { |
737 |
|