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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 |
---|---|
611 | * Filters the comment author's name cookie before it is set. |
612 | * |
613 | * When this filter hook is evaluated in wp_filter_comment(), |
614 | * the comment author's name string is passed. |
615 | * |
616 | * @since 1.5.0 |
617 | * |
618 | * @param string $author_cookie The comment author name cookie. |
619 | */ |
620 | $comment_author = apply_filters( 'pre_comment_author_name', $_COOKIE[ 'comment_author_' . COOKIEHASH ] ); |
621 | $comment_author = wp_unslash( $comment_author ); |
622 | $comment_author = esc_attr( $comment_author ); |
623 |
|
624 | $_COOKIE[ 'comment_author_' . COOKIEHASH ] = $comment_author; |
625 | } |
626 |
|
627 | if ( isset( $_COOKIE[ 'comment_author_email_' . COOKIEHASH ] ) ) { |
628 | /** |
629 | * Filters the comment author's email cookie before it is set. |
Line | Code |
2087 | /** |
2088 | * Filters the comment author's browser user agent before it is set. |
2089 | * |
2090 | * @since 1.5.0 |
2091 | * |
2092 | * @param string $comment_agent The comment author's browser user agent. |
2093 | */ |
2094 | $commentdata['comment_agent'] = apply_filters( 'pre_comment_user_agent', ( isset( $commentdata['comment_agent'] ) ? $commentdata['comment_agent'] : '' ) ); |
2095 | /** This filter is documented in wp-includes/comment.php */ |
2096 | $commentdata['comment_author'] = apply_filters( 'pre_comment_author_name', $commentdata['comment_author'] ); |
2097 | /** |
2098 | * Filters the comment content before it is set. |
2099 | * |
2100 | * @since 1.5.0 |
2101 | * |
2102 | * @param string $comment_content The comment content. |
2103 | */ |
2104 | $commentdata['comment_content'] = apply_filters( 'pre_comment_content', $commentdata['comment_content'] ); |
2105 | /** |