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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 2246 | * @since 3.0.0 |
| 2247 | * |
| 2248 | * @param array $fields The default comment fields. |
| 2249 | */ |
| 2250 | $fields = apply_filters( 'comment_form_default_fields', $fields ); |
| 2251 | $defaults = array( |
| 2252 | 'fields' => $fields, |
| 2253 | 'comment_field' => '<p class="comment-form-comment"><label for="comment">' . _x( 'Comment', 'noun' ) . '</label> <textarea id="comment" name="comment" cols="45" rows="8" aria-required="true" required="required"></textarea></p>', |
| 2254 | /** This filter is documented in wp-includes/link-template.php */ |
| 2255 | 'must_log_in' => '<p class="must-log-in">' . sprintf( __( 'You must be <a href="%s">logged in</a> to post a comment.' ), wp_login_url( apply_filters( 'the_permalink', get_permalink( $post_id ) ) ) ) . '</p>', |
| 2256 | /** This filter is documented in wp-includes/link-template.php */ |
| 2257 | 'logged_in_as' => '<p class="logged-in-as">' . sprintf( __( 'Logged in as <a href="%1$s">%2$s</a>. <a href="%3$s" title="Log out of this account">Log out?</a>' ), get_edit_user_link(), $user_identity, wp_logout_url( apply_filters( 'the_permalink', get_permalink( $post_id ) ) ) ) . '</p>', |
| 2258 | 'comment_notes_before' => '<p class="comment-notes"><span id="email-notes">' . __( 'Your email address will not be published.' ) . '</span>'. ( $req ? $required_text : '' ) . '</p>', |
| 2259 | 'comment_notes_after' => '', |
| 2260 | 'id_form' => 'commentform', |
| 2261 | 'id_submit' => 'submit', |
| 2262 | 'class_submit' => 'submit', |
| 2263 | 'name_submit' => 'submit', |
| 2264 | 'title_reply' => __( 'Leave a Reply' ), |
| 2265 | 'title_reply_to' => __( 'Leave a Reply to %s' ), |
| 2266 | 'cancel_reply_link' => __( 'Cancel reply' ), |