What is WordPress Hook: wp_mail_failed
The wp_mail_failed hook is a specific hook in WordPress that is triggered when an attempt to send an email using the wp_mail() function fails. This hook allows developers to perform custom actions when an email fails to send, such as logging the error, sending a notification, or taking other appropriate measures.
Understanding the Hook: wp_mail_failed
The wp_mail_failed hook is located within the wp_mail() function in WordPress. This function is responsible for sending emails, and the wp_mail_failed hook is triggered when there is an error during the email sending process. This hook provides developers with the ability to handle email sending failures in a customized manner.
Hook Parameters (if applicable): wp_mail_failed
The wp_mail_failed hook does not accept any specific parameters or arguments. It is simply triggered when an error occurs during the email sending process.
Hook Doesn’t Work: wp_mail_failed
If the wp_mail_failed hook does not work as expected, it may be due to a variety of reasons. Common causes of this issue include incorrect implementation of the hook, conflicts with other plugins or themes, or errors in the email sending process that prevent the hook from being triggered. To troubleshoot this issue, developers should carefully review their code, deactivate any conflicting plugins or themes, and ensure that the email sending process is functioning properly.
Best Practices & Usage Notes (if applicable): wp_mail_failed
When utilizing the wp_mail_failed hook, developers should consider implementing robust error handling and notification systems to effectively manage email sending failures. It is also important to test the functionality of the hook in various scenarios to ensure that it behaves as expected. Additionally, developers should be aware that the wp_mail_failed hook may not be triggered in all email sending failure scenarios, so alternative error handling mechanisms should be in place.
Usage Example: wp_mail_failed
“`php
function custom_email_error_handler( $wp_error ) {
// Log the error or send a notification
error_log( ‘Email sending failed: ‘ . $wp_error->get_error_message() );
}
add_action( ‘wp_mail_failed’, ‘custom_email_error_handler’ );
“`
