File content compress using gzcompress and gzuncompress

phpfile.php

<?php

// Make sure you have a file.txt within this directory.

/** @var string File path location */
$fileLocation = __DIR__ . DIRECTORY_SEPARATOR . "file.txt";
/** @var Streams The stream of the file. */
$fileStream = fopen($fileLocation, 'r');

/** @var Streams|string The content of the file. */
$read = fread($fileStream, filesize($fileLocation));

// http://php.net/manual/en/function.gzcompress.php
$compress = gzcompress($read);

// Print the compress content.
echo join([
    '<pre>',
    $compress,
    '</pre><pre>',
    'String length ',
    strlen($compress),
    '</pre>'
]);

// http://php.net/manual/en/function.gzuncompress.php
$uncompress = gzuncompress($compress);
echo '<hr />';
// Print the uncompress content.
echo join([
    '<pre>',
    $uncompress,
    '</pre><pre>',
    'String length ',
    strlen($uncompress),
    '</pre>'
]);

die();