PHP压缩编码和解压

<?php
function encode_file_contents($filename) {
$type = strtolower(substr(strrchr($filename, '.'),1));
if('php'==$type && is_file($filename) && is_writeable($filename)) {
// 如果是PHP文件并且可写则进行压缩编码
$contents = file_get_contents($filename);
// 判断文件是否已经被编码处理
$pos = strpos($contents,'/*Protected by ThinkPHP Cryptation*/');
if( false === $pos || $pos>100 ) {
// 去除PHP文件注释和空白，减少文件大小
$contents = php_strip_whitespace($filename);
// 去除PHP头部和尾部标识
$headerPos = strpos($contents,'<?php');
$footerPos = strrpos($contents,'?>');
$contents = substr($contents,$headerPos+5,$footerPos-$headerPos);
// 对文件内容进行编码存储
$encode = base64_encode(gzdeflate($contents));
$encode = '<?php'." /*Protected by ThinkPHP Cryptation*/n$cryptCode='".$encode."';eval(gzinflate(base64_decode($cryptCode)));n /*Reverse engineering is illegal and strictly prohibited - (C) ThinkPHP Cryptation 2006*/n?>";
// 重新写入编码后内容
return file_put_contents($filename,$encode);
}
}
return false;
}
?>

解压代码

Tags: 学习 , php