setDelimiter(';');
$res = $inputCsv
->addFilter(function ($row, $index) {
return $index > 0; //we don't take into account the header
})
->addFilter(function ($row) {
return isset($row[1], $row[2], $row[3]); //we make sure the data are present
})
->addFilter(function ($row) {
return 10 > $row[1]; //the name is used less than 10 times
})
->addFilter(function ($row) {
return 2010 == $row[3]; //we are looking for the year 2010
})
->addFilter(function ($row) {
return 'F' == $row[2]; //we are only interested in girl firstname
})
->addSortBy(function ($row1, $row2) {
return strcmp($row1[1], $row2[1]); //we order the result according to the number of firstname given
})
->setLimit(20) //we just want the first 20 results
->fetch();
//get the headers
$headers = $inputCsv->fetchOne(0);
?>
League\Csv\Reader filtering method
Using the League\Csv\Reader class filtering capabilities
Statistics for the 20 least used female name in the year 2010