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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 |
|---|---|
| 2076 | /** |
| 2077 | * Filters the arguments used in retrieving the comment list. |
| 2078 | * |
| 2079 | * @since 4.0.0 |
| 2080 | * |
| 2081 | * @see wp_list_comments() |
| 2082 | * |
| 2083 | * @param array $parsed_args An array of arguments for displaying comments. |
| 2084 | */ |
| 2085 | $parsed_args = apply_filters( 'wp_list_comments_args', $parsed_args ); |
| 2086 | |
| 2087 | // Figure out what comments we'll be looping through ($_comments). |
| 2088 | if ( null !== $comments ) { |
| 2089 | $comments = (array) $comments; |
| 2090 | if ( empty( $comments ) ) { |
| 2091 | return; |
| 2092 | } |
| 2093 | if ( 'all' !== $parsed_args['type'] ) { |
| 2094 | $comments_by_type = separate_comments( $comments ); |