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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 |
---|---|
918 | comment_author( $comment ); |
919 | echo '</strong><br />'; |
920 | if ( ! empty( $author_url_display ) ) { |
921 | printf( '<a href="%s">%s</a><br />', esc_url( $author_url ), esc_html( $author_url_display ) ); |
922 | } |
923 |
|
924 | if ( $this->user_can ) { |
925 | if ( ! empty( $comment->comment_author_email ) ) { |
926 | /** This filter is documented in wp-includes/comment-template.php */ |
927 | $email = apply_filters( 'comment_email', $comment->comment_author_email, $comment ); |
928 |
|
929 | if ( ! empty( $email ) && '@' !== $email ) { |
930 | printf( '<a href="%1$s">%2$s</a><br />', esc_url( 'mailto:' . $email ), esc_html( $email ) ); |
931 | } |
932 | } |
933 |
|
934 | $author_ip = get_comment_author_IP( $comment ); |
935 | if ( $author_ip ) { |
936 | $author_ip_url = add_query_arg( |