The get_comment_author_email() WordPress PHP function retrieves the email of the author of the current comment.
Usage
$email = get_comment_author_email( $comment_id );
Example:
$email = get_comment_author_email( 42 ); echo $email; // Outputs: [email protected]
Parameters
$comment_id(int|WP_Comment) (optional) – WP_Comment or the ID of the comment for which to get the author’s email. Default current comment.
More information
See WordPress Developer Resources: get_comment_author_email()
Examples
Get the email of the author of the current comment
// Get the email of the author of the current comment $email = get_comment_author_email(); echo $email; // Outputs: [email protected]
Get the email of the author of a specific comment by ID
// Get the email of the author of the comment with the ID 123 $email = get_comment_author_email( 123 ); echo $email; // Outputs: [email protected]
Get the email of the author of a specific comment using a WP_Comment object
// Get a WP_Comment object for the comment with the ID 456 $comment = get_comment( 456 ); // Get the email of the author of the comment $email = get_comment_author_email( $comment ); echo $email; // Outputs: [email protected]
Display a message if the author’s email is from a specific domain
// Get the email of the author of the current comment
$email = get_comment_author_email();
// Check if the email is from the "example.com" domain
if ( strpos( $email, "@example.com" ) !== false ) {
echo "The comment author is from example.com";
} else {
echo "The comment author is not from example.com";
}
Send an email notification to the author of a comment when it is approved
function notify_comment_author_on_approval( $comment_ID, $comment_approved ) {
if ( 1 === $comment_approved ) {
$email = get_comment_author_email( $comment_ID );
$subject = "Your comment has been approved!";
$message = "Hi, your comment on our website has been approved. Thanks for your contribution!";
wp_mail( $email, $subject, $message );
}
}
add_action( 'wp_set_comment_status', 'notify_comment_author_on_approval', 10, 2 );