import csv from local file and store all line in array. Loop on the array to get all specific columns

<?php
$filename = 'data.csv';
$csv = array_map('str_getcsv', file($filename));
array_walk($csv, function(&$a) use ($csv) {$a = array_combine($csv[0], $a);});
array_shift($csv); # remove column header

foreach ($csv as $row) {
  $company_name = $row['Company Name'];
  $first_name = $row['First Name'];
  $last_name = $row['Last Name'];
}
?>