Update “custom Usar and eMail”

1 open “cren_plugin.php”

// replace
wp_mail($email, $title, $body);
// to 
	$options = get_option('cren_settings');		
	if ( $options['cren_custom_mail_onoff'] == true) {			
		$custom_mail_name = $options['cren_custom_mail_name'];
		$custom_mail = $options['cren_custom_mail'];
		
		$headers = array(
			'From: '. $custom_mail_name .' <'. $custom_mail .'>',
				'content-type: text/html'
			);
		wp_mail($email, $title, $body, $headers);
	}else{
		wp_mail($email, $title, $body);
	}

2 open “cren_admin.php”

// 2.1 add after 
function cren_settings_init() {
    $defaults = [
    //  my code  // new 3 options 
        'cren_custom_mail_onoff' => [
            'type'    => 'boolean',
            'default' => false
        ],
		'cren_custom_mail_name' => [
            'type'    => 'string',
            'default' => ''
        ],
		'cren_custom_mail' => [
            'type'    => 'string',
            'default' => ''
        ],
// 2.2	add "add_settings_field
    add_settings_field(
        'cren_custom_mail',
        __('Custom Email ', 'comment-reply-email-notification'),
        'cren_custom_mail_render',
        'cren_admin',
        'cren_admin_section'
    );
// 2.3 add new function render for new options 
// add before "function cren_subscription_check_by_default_render(  ) {" 

function cren_custom_mail_render(  ) {
    $options = get_option('cren_settings');
?>	
    <input type='checkbox' name='cren_settings[cren_custom_mail_onoff]' <?php checked( $options['cren_custom_mail_onoff'], 1 ); ?> value='1'>
    <input type='text' 	   name='cren_settings[cren_custom_mail_name]' value='<?php echo $options['cren_custom_mail_name']; ?>' style='width: 200px;'>
    <input type='text' 	   name='cren_settings[cren_custom_mail]' value='<?php echo $options['cren_custom_mail']; ?>' style='width: 200px;'><br>
    <span class="description">ON / OFF  | From (Name) | From (@Mail)</span>
<?php
}

"