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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 |
---|---|
547 | * Filters the comment author's name cookie before it is set. |
548 | * |
549 | * When this filter hook is evaluated in wp_filter_comment(), |
550 | * the comment author's name string is passed. |
551 | * |
552 | * @since 1.5.0 |
553 | * |
554 | * @param string $author_cookie The comment author name cookie. |
555 | */ |
556 | $comment_author = apply_filters( 'pre_comment_author_name', $_COOKIE['comment_author_' . COOKIEHASH] ); |
557 | $comment_author = wp_unslash($comment_author); |
558 | $comment_author = esc_attr($comment_author); |
559 | $_COOKIE['comment_author_' . COOKIEHASH] = $comment_author; |
560 | } |
561 |
|
562 | if ( isset( $_COOKIE['comment_author_email_' . COOKIEHASH] ) ) { |
563 | /** |
564 | * Filters the comment author's email cookie before it is set. |
565 | * |
Line | Code |
1798 | /** |
1799 | * Filters the comment author's browser user agent before it is set. |
1800 | * |
1801 | * @since 1.5.0 |
1802 | * |
1803 | * @param string $comment_agent The comment author's browser user agent. |
1804 | */ |
1805 | $commentdata['comment_agent'] = apply_filters( 'pre_comment_user_agent', ( isset( $commentdata['comment_agent'] ) ? $commentdata['comment_agent'] : '' ) ); |
1806 | /** This filter is documented in wp-includes/comment.php */ |
1807 | $commentdata['comment_author'] = apply_filters( 'pre_comment_author_name', $commentdata['comment_author'] ); |
1808 | /** |
1809 | * Filters the comment content before it is set. |
1810 | * |
1811 | * @since 1.5.0 |
1812 | * |
1813 | * @param string $comment_content The comment content. |
1814 | */ |
1815 | $commentdata['comment_content'] = apply_filters( 'pre_comment_content', $commentdata['comment_content'] ); |
1816 | /** |