PHP - Scrap

<?php

require_once 'vendor/autoload.php';

use Goutte\Client;

use Symfony\Component\DomCrawler\Crawler;

$buscar = $argv[1] ?? 'rectifica';

$q = $argv[1] ?? 'rectificadoras';

$baseUrl = "http://www.guiadelaindustria.com/busqueda/directorio/results?q=$q&en=&sEcho=1&iColumns=12&sColumns=&iDisplayStart=0&iDisplayLength=500&mDataProp_0=0&mDataProp_1=1&mDataProp_2=2&mDataProp_3=3&mDataProp_4=4&mDataProp_5=5&mDataProp_6=6&mDataProp_7=7&mDataProp_8=8&mDataProp_9=9&mDataProp_10=10&mDataProp_11=11&iSortCol_0=0&sSortDir_0=asc&iSortingCols=1&bSortable_0=true&bSortable_1=true&bSortable_2=true&bSortable_3=true&bSortable_4=true&bSortable_5=true&bSortable_6=true&bSortable_7=true&bSortable_8=true&bSortable_9=true&bSortable_10=true&bSortable_11=true&productosSinFoto=false&ubicacion=&categoria=&nivelCategoria=&compraFilter=false&ventaFilter=true";

$results = file_get_contents($baseUrl);

$resultArray = json_decode($results, true);

foreach ( $resultArray['aaData'] as $result ) {

    if ( $email = getEmail($result[11]) ) {

        echo $result[1].','.$email.','.PHP_EOL;

    }

}

function getEmail( $idEmpresa )

{

    $url = "http://www.guiadelaindustria.com/empresa/dandliker-rectificaciones/$idEmpresa";

    $client = new Client();

    $crawler = $client->request('GET', $url);

    $e = $crawler

        ->filter('a.emailLink')

        ->each( function( $node ) {

     return $node->text();

        });

    return $e[0] ?? '';

}

{

  "name": "vendor_name/package_name",

  "description": "description_text",

  "minimum-stability": "stable",

  "license": "proprietary",

  "authors": [

    {

      "name": "author's name",

      "email": "email@example.com"

    }

  ],

  "require": {

    "fabpot/goutte": "v3.2.0"

  }

}