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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 |
---|---|
1535 | <?php echo apply_filters( 'comment_form_logged_in', $args['logged_in_as'], $commenter, $user_identity ); ?> |
1536 | <?php do_action( 'comment_form_logged_in_after', $commenter, $user_identity ); ?> |
1537 | <?php else : ?> |
1538 | <?php echo $args['comment_notes_before']; ?> |
1539 | <?php |
1540 | do_action( 'comment_form_before_fields' ); |
1541 | foreach ( (array) $args['fields'] as $name => $field ) { |
1542 | echo apply_filters( "comment_form_field_{$name}", $field ) . "\n"; |
1543 | } |
1544 | do_action( 'comment_form_after_fields' ); |
1545 | ?> |
1546 | <?php endif; ?> |
1547 | <?php echo apply_filters( 'comment_form_field_comment', $args['comment_field'] ); ?> |
1548 | <?php echo $args['comment_notes_after']; ?> |
1549 | <p class="form-submit"> |
1550 | <input name="submit" type="submit" id="<?php echo esc_attr( $args['id_submit'] ); ?>" value="<?php echo esc_attr( $args['label_submit'] ); ?>" /> |
1551 | <?php comment_id_fields(); ?> |
1552 | </p> |
1553 | <?php do_action( 'comment_form', $post_id ); ?> |