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af/form/email/subject
Filter the subject line of a form email before sending.
<?php
function filter_email_subject( $subject, $email, $form, $fields ) {
// Alter the subject line
$subject = 'New subject';
return $subject;
}
add_filter( 'af/form/email/subject/key=FORM_KEY', 'filter_email_subject', 10, 4 );
Modifiers
af/form/email/subject
Applies to all forms.af/form/email/subject/key=FORM_KEY
Applies to forms with specific key.af/form/email/subject/id=FORM_ID
Applies to forms with specific post ID.