AngularJs calling a PHP function to generate a CSV fie

gistfile1.txt

<a  href="#" target="blank"  ng-click="getCSVTemplate('patient')" style="color:#439367;"><img src="assets/svg/icons/csv.svg" class="svg"><br>
    {{ someText }}
</a>

//Inside the controller
$scope.getCSVTemplate=function(csvType){
     var page = "tools/csvTemplate.php?csvType="+csvType;		
     document.location.href = page;
}

//csvTemplate.php


//Note: the header makes the functionaly to not redirect to the page when this file is called innside angulrjs
<?php

      header('Content-Type: text/csv; charset=utf-8');  
        
      
      $csvType=$_REQUEST['csvType'];
      $output = fopen("php://output", "w");
      
      
      if($csvType=='patient'){
          header('Content-Disposition: attachment; filename=bulkInvitePatientCsvTemplate.csv');
          fputcsv($output, array('firstName','lastName','email','group','language'));  
          $row = array('Enter First Name *mandatory','Enter Last Name * mandatory','[email protected] * mandatory','Enter Group Name','fr/en/pt/es enter only one');
      }
      elseif ($csvType=='admins') {
          header('Content-Disposition: attachment; filename=bulkInviteCsvTemplate.csv');
          fputcsv($output, array('email','displayName','group'));  
          $row = array('Enter Admin Email Here','Enter Display Name Here','Enter Group Name Here');
      }
      
      fputcsv($output, $row);  
      fclose($output);