Encode.php

Encodes a file as base64 gzip compressed payload file.

<?php
$input_file = 'info.php';
$output_file = 'x.php';

function removePhpTags($content) {
  $content = preg_replace('/^<\?php\s*/', '', $content);
  $content = preg_replace('/\s*\?>$/', '', $content);
  return $content;
}

$file_content = file_get_contents($input_file);
$file_content = removePhpTags($file_content);

$encoded = base64_encode(gzcompress($file_content));
$payload = "<?php eval(gzuncompress(base64_decode('$encoded')));?>";
file_put_contents($output_file, $payload);
?>