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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 |
|---|---|
| 152 | if ( !$post_id ) |
| 153 | $post_id = (int) $id; |
| 154 | |
| 155 | $post = get_post($post_id); |
| 156 | if ( ! isset($post->comment_count) ) |
| 157 | $count = 0; |
| 158 | else |
| 159 | $count = $post->comment_count; |
| 160 | |
| 161 | return apply_filters('get_comments_number', $count); |
| 162 | } |
| 163 | |
| 164 | function comments_number( $zero = false, $one = false, $more = false, $deprecated = '' ) { |
| 165 | global $id; |
| 166 | $number = get_comments_number($id); |
| 167 | |
| 168 | if ( $number > 1 ) |
| 169 | $output = str_replace('%', $number, ( false === $more ) ? __('% Comments') : $more); |
| 170 | elseif ( $number == 0 ) |