powerful and fully tested php library to work with csv files
use mhndev\csv\Csv;
$csv = new Csv();
$sampleArray = [[1,2,3,4,5],[6,7,8,9,10]];
$filename ="/path/to/test.csv";
$csv->arrayToCsv($sampleArray, $filename);
$resultArrayIterator = $csv->csvToArrayUsingGenerator($filename);
$csv = new Csv();
$sampleArray = [[1,2,3,4,5],[6,7,8,9,10],[11,12,13,14,15]];
$filename ="/path/to/test.csv";
$csv->arrayToCsv($sampleArray, $filename);
$csv->deleteOneLineById($filename, 1);
$csv = new Csv();
$sampleArray = [[1,2,3,4,5],[6,7,8,9,10],[6,'hamid',8,9,'majid']];
$filename ="/path/to/test.csv";
$csv->arrayToCsv($sampleArray, $filename);
$csv->updateLineBy($filename, [2=>8] , [11,12,13,14,15]);