php压缩和解压缩字符串的方法

本文实例讲述了php压缩和解压缩字符串的方法。分享给大家供大家参考。具体如下:

下面php代码通过gzcompress和gzuncompress压缩和解压缩字符串,可以设定压缩级别

$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";

希望本文所述对大家的php程序设计有所帮助。

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