murilozilli

<?php
/**
 * Created by PhpStorm.
 * User: murilo
 * Date: 23/10/20
 * Time: 5:53 PM
 */
class DateHelper
{
    //change at will

murilozilli

<?php
function camelToSnake($input)
{
 if (preg_match('/[A-Z]/', $input) === 0) {
   return $input;
 }
 $pattern = '/([a-z])([A-Z])/';
 $r = strtolower(preg_replace_callback($pattern, function ($a) {
  return $a[1] ."_". strtolower($a[2]); 
 }, $input));

murilozilli

<?php

namespace Application\Model;

class Model
{
    /**
     * @var string
     */
    const TYPE_PDF = 'pdf';

murilozilli

<?php
namespace App\Controller;

use Zend\Mvc\Controller\AbstractActionController;
class IndexController extends AbstractActionController {
  public function indexAction() {

        $objWriter = \PHPExcel_IOFactory::createWriter($modelService->getExcel()/*returns a PHPExcel object*/, 'Excel2007');
        ob_start();
        $objWriter->save('php://output');