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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 |
---|---|
491 | */ |
492 | protected function comment_type_dropdown( $comment_type ) { |
493 | /** |
494 | * Filters the comment types shown in the drop-down menu on the Comments list table. |
495 | * |
496 | * @since 2.7.0 |
497 | * |
498 | * @param string[] $comment_types Array of comment type labels keyed by their name. |
499 | */ |
500 | $comment_types = apply_filters( |
501 | 'admin_comment_types_dropdown', |
502 | array( |
503 | 'comment' => __( 'Comments' ), |
504 | 'pings' => __( 'Pings' ), |
505 | ) |
506 | ); |
507 |
|
508 | if ( $comment_types && is_array( $comment_types ) ) { |
509 | printf( '<label class="screen-reader-text" for="filter-by-comment-type">%s</label>', __( 'Filter by comment type' ) ); |