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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 |
|---|---|
| 3170 | * @global object $comment Current comment. |
| 3171 | * @uses do_action() Calls 'comment_loop_start' hook when first comment is processed. |
| 3172 | */ |
| 3173 | function the_comment() { |
| 3174 | global $comment; |
| 3175 | |
| 3176 | $comment = $this->next_comment(); |
| 3177 | |
| 3178 | if ( $this->current_comment == 0 ) { |
| 3179 | do_action('comment_loop_start'); |
| 3180 | } |
| 3181 | } |
| 3182 | |
| 3183 | /** |
| 3184 | * Whether there are more comments available. |
| 3185 | * |
| 3186 | * Automatically rewinds comments when finished. |
| 3187 | * |
| 3188 | * @since 2.2.0 |