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Listing all hooks extracted WordPress Core

Details about wp_mail_failed

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Filename Hook Type Line Number PHP Doc
wp-includes/pluggable.php do_action 412 /**
* Filters the name to associate with the "from" email address.
* @since 2.3.0
* @param string $from_name Name associated with the "from" email address.
wp-includes/pluggable.php do_action 577 /**
* Fires after a PHPMailer\PHPMailer\Exception is caught.
* @since 4.4.0
* @param WP_Error $error A WP_Error object with the PHPMailer\PHPMailer\Exception message, and an array
* containing the mail recipient, subject, message, headers, and attachments.

Hook Parameters

Parameter Type Name Description