YouTube_captions_search_engine/website/channels.php

<?php

    function stripFirstLine($text)
    {
        return substr($text, strpos($text, "\n") + 1);
    }

    if (!function_exists('str_contains')) {
        function str_contains($haystack, $needle)
        {
            return strpos($haystack, $needle) !== false;
        }
    }

    $uri = $_SERVER['REQUEST_URI'];
    $uri = str_replace('/channels/', '', $uri);
    $uri = str_replace('/', '#', $uri);
    $uri = "/mnt/HDD0/YouTube_captions_search_engine/channels/$uri";
	header('Content-Type: application/json; charset=UTF-8');
	$content = file_get_contents("zip://$uri");
	echo stripFirstLine($content);

?>