php compresses strings

How does php compress strings? This article mainly introduces the method of compressing and decompressing strings in PHP. It uses the gzcompress and gzuncompress methods in PHP to compress and decompress strings. I hope to be helpful.

The example in this article describes how to compress and decompress strings in PHP. Share it with everyone for your reference. The details are as follows:

The following php code compresses and decompresses strings through gzcompress and gzuncompress, and you can set the compression level

$str = 'Hello I am a very very very very long string';
$compressed = gzcompress($str, 9);//压缩级别为9
$uncompressed = gzuncompress($compressed);
echo $str, "\n";
echo $uncompressed, "\n";
echo base64_encode($compressed), "\n";
echo bin2hex($compressed), "\n";
echo urlencode($compressed), "\n";

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