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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 |
|---|---|
| 949 | '<a href="%s" rel="noopener noreferrer">%s</a><br />', |
| 950 | esc_url( $author_url ), |
| 951 | esc_html( $author_url_display ) |
| 952 | ); |
| 953 | } |
| 954 | |
| 955 | if ( $this->user_can ) { |
| 956 | if ( ! empty( $comment->comment_author_email ) ) { |
| 957 | /** This filter is documented in wp-includes/comment-template.php */ |
| 958 | $email = apply_filters( 'comment_email', $comment->comment_author_email, $comment ); |
| 959 | |
| 960 | if ( ! empty( $email ) && '@' !== $email ) { |
| 961 | printf( '<a href="%1$s">%2$s</a><br />', esc_url( 'mailto:' . $email ), esc_html( $email ) ); |
| 962 | } |
| 963 | } |
| 964 | |
| 965 | $author_ip = get_comment_author_IP( $comment ); |
| 966 | |
| 967 | if ( $author_ip ) { |