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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 |
|---|---|
| 2235 | */ |
| 2236 | $fields = apply_filters( 'comment_form_default_fields', $fields ); |
| 2237 | $defaults = array( |
| 2238 | 'fields' => $fields, |
| 2239 | 'comment_field' => '<p class="comment-form-comment"><label for="comment">' . _x( 'Comment', 'noun' ) . '</label> <textarea id="comment" name="comment" cols="45" rows="8" maxlength="65525" required="required"></textarea></p>', |
| 2240 | /** This filter is documented in wp-includes/link-template.php */ |
| 2241 | 'must_log_in' => '<p class="must-log-in">' . sprintf( |
| 2242 | /* translators: %s: login URL */ |
| 2243 | __( 'You must be <a href="%s">logged in</a> to post a comment.' ), |
| 2244 | wp_login_url( apply_filters( 'the_permalink', get_permalink( $post_id ), $post_id ) ) |
| 2245 | ) . '</p>', |
| 2246 | /** This filter is documented in wp-includes/link-template.php */ |
| 2247 | 'logged_in_as' => '<p class="logged-in-as">' . sprintf( |
| 2248 | /* translators: 1: edit user link, 2: accessibility text, 3: user name, 4: logout URL */ |
| 2249 | __( '<a href="%1$s" aria-label="%2$s">Logged in as %3$s</a>. <a href="%4$s">Log out?</a>' ), |
| 2250 | get_edit_user_link(), |
| 2251 | /* translators: %s: user name */ |
| 2252 | esc_attr( sprintf( __( 'Logged in as %s. Edit your profile.' ), $user_identity ) ), |
| 2253 | $user_identity, |
| 2254 | wp_logout_url( apply_filters( 'the_permalink', get_permalink( $post_id ), $post_id ) ) |
| 2255 | ) . '</p>', |
| 2256 | 'comment_notes_before' => '<p class="comment-notes"><span id="email-notes">' . __( 'Your email address will not be published.' ) . '</span>'. ( $req ? $required_text : '' ) . '</p>', |
| 2257 | 'comment_notes_after' => '', |
| 2258 | 'action' => site_url( '/wp-comments-post.php' ), |
| 2259 | 'id_form' => 'commentform', |
| 2260 | 'id_submit' => 'submit', |
| 2261 | 'class_form' => 'comment-form', |
| 2262 | 'class_submit' => 'submit', |
| 2263 | 'name_submit' => 'submit', |