iansltx

<?php // works on single-file non-ZIp64 zip files compressed with deflate (AKA a common case), licensed MIT

function getLinesFromZippedCSVfromURL(string $url) : \Generator
{
    $stream = fopen($url, 'rb');

    fread($stream, 4 + 2 + 2 + 2 + 2 + 2 + 4); // skip up to compressed size

    // bindec() was doing weird things, hence converting through hex first
    // sttrev() to match endian-ness to expectations; zip file values are little-endian