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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 |
|---|---|
| 166 | $number = get_comments_number($id); |
| 167 | |
| 168 | if ( $number > 1 ) |
| 169 | $output = str_replace('%', $number, ( false === $more ) ? __('% Comments') : $more); |
| 170 | elseif ( $number == 0 ) |
| 171 | $output = ( false === $zero ) ? __('No Comments') : $zero; |
| 172 | else // must be one |
| 173 | $output = ( false === $one ) ? __('1 Comment') : $one; |
| 174 | |
| 175 | echo apply_filters('comments_number', $output, $number); |
| 176 | } |
| 177 | |
| 178 | function get_comment_text() { |
| 179 | global $comment; |
| 180 | return apply_filters('get_comment_text', $comment->comment_content); |
| 181 | } |
| 182 | |
| 183 | function comment_text() { |
| 184 | echo apply_filters('comment_text', get_comment_text() ); |