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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 |
|---|---|
| 760 | function twentytwenty_get_the_archive_title( $title ) { |
| 761 | |
| 762 | /** |
| 763 | * Filters the regular expression used to style the word before the first colon. |
| 764 | * |
| 765 | * @since Twenty Twenty 1.0 |
| 766 | * |
| 767 | * @param array $regex An array of regular expression pattern and replacement. |
| 768 | */ |
| 769 | $regex = apply_filters( |
| 770 | 'twentytwenty_get_the_archive_title_regex', |
| 771 | array( |
| 772 | 'pattern' => '/(\A[^\:]+\:)/', |
| 773 | 'replacement' => '<span class="color-accent">$1</span>', |
| 774 | ) |
| 775 | ); |
| 776 | |
| 777 | if ( empty( $regex ) ) { |
| 778 | |