0
我想解壓縮一個二進制文件,然後解壓縮以測試compresssion是否正常工作。 然而,「未壓縮」文件與「壓縮」文件具有相同的數據。彷彿從未發生過壓縮。我已經在下面列出了代碼。 由於事先:PHP:使用gzuncompress和fopen解壓縮gzcompressed文件
//compressing
//read file
$filename = 'tocompress/tocompress'.$number_input.'.bin';
$contents=fread($fp,filesize($filename));
fclose($fp);
//compress file
$compressing = gzcompress($contents , '0');
//write to file
$fp = fopen('compressed/compressed'.$number_input.'.bin', 'wb');
fwrite($fp, $compressing);
fclose($fp);
//uncompressing
//read file
$uncompfilename='compressed/compressed'.$number_input.'.bin';
$fp=fopen($uncompfilename,'rb');
$uncompresscontents=fread($fp,filesize($uncompfilename));
fclose($fp);
//uncompress file
$uncompressing = gzuncompress($uncompresscontents);
//write to file
$fp = fopen('uncompressed/uncompressed'.$number_input.'.bin', 'wb');
fwrite($fp, $uncompresscontents);
fclose($fp);