subtitle parser for php

kro_sub.php

<?php

// written by AJ Slaghuis 2013
define('DS', DIRECTORY_SEPARATOR);
$basepath = './subtitles';


$entries = scandir($basepath); //sorted alphabetically
foreach ($entries as $entry) {
    if ($entry == '.' || $entry == '..' || is_dir($entry) || substr($entry, -4) != '.txt')
        continue;
    $prid = substr($entry, 0, -4);
    $result = array();
    $handle = fopen($basepath . DS . $entry, "r");
    if ($handle) {
        if (($buffer = fgets($handle, 4096)) !== false) {
            if ($buffer == "WEBVTT\n") {
                //   echo 'marker found ' . $buffer . "\n";
            } else
                die('-1');
        }else
            die('-7');
        if (($buffer = fgets($handle, 4096)) !== false) {
            if ($buffer == "\n") {
                //  echo 'intro empty line found ' . $buffer . "\n";
            } else
                die('-2');
        }else
            die('-7');

        while (true) {
            if (($buffer = fgets($handle, 4096)) !== false) {
                $num = substr($buffer, 0, -1); // we expect an int
                //echo ' buffernum: ' . $num . "\n";
            } else {
                break; // EOF reached
            }
            if (($buffer = fgets($handle, 4096)) !== false) {
                $interval = substr($buffer, 0, -1);
                //echo ' interval: ' . $interval . "\n";
            } else
                die('-3');
            if (($buffer = fgets($handle, 4096)) !== false) {
                // echo 'tekst: ' . $buffer;
                $text = $buffer;
            } else
                die('-4');
            if (($buffer = fgets($handle, 4096)) !== false) {
                if ($buffer == "\n") {
                    //echo 'intro empty line found ' . $buffer . "\n";
                } else
                    die('-5');
            } else
                die('-6');
            //echo $text;
            $result[] = array('num' => $num, 'interval' => $interval, 'text' => $text);
        }
        
        $json = json_encode((object) $result);
         //echo $json; // now curl it into elastic search with a prid as id
   
        $url = 'http://localhost:9200/kro/subs/' . $prid;
        $ci = curl_init();
        curl_setopt($ci, CURLOPT_URL, $url);
        curl_setopt($ci, CURLOPT_PORT, 9200);
        curl_setopt($ci, CURLOPT_TIMEOUT, 200);
        curl_setopt($ci, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ci, CURLOPT_FORBID_REUSE, 0);
        curl_setopt($ci, CURLOPT_CUSTOMREQUEST, 'PUT');
        curl_setopt($ci, CURLOPT_POSTFIELDS, $json);
        $response = curl_exec($ci);
        print_r($response);
        fclose($handle);

    } else
        die("$entry no handle\n");
}
?>

test your elastic search instance with:
curl -s -XGET 'localhost:9200/kro/subs/_search?pretty&q=hilversum'