ProPanel: Change email “From” address

add_filter('wp_mail_from', function ( $from_email_address = '' ) {
	// When calling the WP 	wp_mail() function is the 'From' header is not defined 
	// it will set the default 'From' email to be '[email protected]'. where 'domain.com'.
	// matches the site domain
	
	// So our first check is to see of we are using the default
	$sitename = strtolower( $_SERVER['SERVER_NAME'] );
	if ( substr( $sitename, 0, 4 ) == 'www.' ) {
		$sitename = substr( $sitename, 4 );
	}
	$default_from_email = '[email protected]' . $sitename;
	
	if ( ( $default_from_email == $from_email_address ) && ( is_user_logged_in() ) ) {
		$current_user = wp_get_current_user();
		$from_email_address = $current_user->user_email;
	}

	return $from_email_address;
});

add_filter( 'wp_mail_from_name', function ( $from_name = '' ) {
	// When calling the WP 	wp_mail() function is the 'From' header is not defined 
	// it will set the default 'From' name to be 'WordPress'. 

	if ( ( $from_name === "WordPress" ) && ( is_user_logged_in() ) ) {
		$current_user = wp_get_current_user();
		$from_name = $current_user->display_name;
	}

	return $from_name;
});

/**
 * Filter to modify the outgoing email address of ProPanel emails. By default, uses the current users email. This example shows how to send it using 1 generic email address.
 *
 * @since 3
 * @var $mail_args       wp_mail arguments
 */
 
add_filter( 'ld_propanel_email_users_args', 'ld_change_pp_outgoing_email_address', 10, 1 );

function ld_change_pp_outgoing_email_address($mail_args) {
	$mail_args['headers'] = array(
		'content-type: text/html',
		'From: LearnDash <[email protected]>',
		'Reply-to: [email protected]'
		);
	
	return $mail_args;
}

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