deepseek_chatbot/api/CsvReader.php

<?php
class CsvReader {
    private $dir;

    public function __construct($directory) {
        $this->dir = rtrim($directory, '/') . '/';
    }

    public function readAll() {
        $rows = array();

        foreach (glob($this->dir . '*.csv') as $file) {
            if (($h = fopen($file, 'r')) !== false) {
                $header = fgetcsv($h, 0, ',', '"', '');

                while (($data = fgetcsv($h, 0, ',', '"', '')) !== false) {
                    $rows[] = array_combine($header, $data);
                }
                fclose($h);
            }
        }
        return $rows;
    }
}