wp_mail

What is WordPress Hook: wp_mail

The wp_mail hook in WordPress is a crucial function that allows developers to modify and customize the email sending process within the platform. It is used to intercept and modify email content, headers, and attachments before the email is sent.

Understanding the Hook: wp_mail

The wp_mail hook is located within the wp-includes/pluggable.php file in WordPress. It is called right before the email is sent, allowing developers to modify the email parameters and content.

Hook Parameters (if applicable): wp_mail

The wp_mail hook accepts parameters such as the email recipient, subject, message, headers, and attachments. Developers can modify these parameters within the hook to customize the email before it is sent.

Hook Doesn’t Work: wp_mail

If the wp_mail hook doesn’t work, it could be due to conflicts with other plugins or themes that also modify the email sending process. It is recommended to deactivate other plugins and switch to a default theme to troubleshoot the issue.

Best Practices & Usage Notes (if applicable): wp_mail

When using the wp_mail hook, it is important to ensure that the modified email content and parameters comply with email standards to avoid being marked as spam. Additionally, developers should be mindful of the potential impact on email deliverability when modifying email headers and attachments.

wp_mail Usage Example: wp_mail

“`php
function custom_wp_mail_function( $wp_mail_args ) {
// Modify email parameters
$wp_mail_args[‘subject’] = ‘Custom Subject’;
$wp_mail_args[‘message’] = ‘Custom Message’;

return $wp_mail_args;
}
add_filter( ‘wp_mail’, ‘custom_wp_mail_function’ );
“`

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