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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 |
|---|---|
| 2129 | /** |
| 2130 | * Filter the current commenter's name, email, and URL. |
| 2131 | * |
| 2132 | * @since 3.1.0 |
| 2133 | * |
| 2134 | * @param string $comment_author Comment author's name. |
| 2135 | * @param string $comment_author_email Comment author's email. |
| 2136 | * @param string $comment_author_url Comment author's URL. |
| 2137 | */ |
| 2138 | return apply_filters( 'wp_get_current_commenter', compact('comment_author', 'comment_author_email', 'comment_author_url') ); |
| 2139 | } |
| 2140 | |
| 2141 | /** |
| 2142 | * Inserts a comment into the database. |
| 2143 | * |
| 2144 | * @since 2.0.0 |
| 2145 | * |
| 2146 | * @global wpdb $wpdb WordPress database abstraction object. |
| 2147 | * |