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使用gzcompress()来压缩数据

当使用string时,往往会非常的长。使用gzcompress()方法,strings可以被压缩,解压缩使用gzuncompress()即可,如下:
$string =
“Lorem ipsum dolor sit amet, consectetur
adipiscing elit. Nunc ut elit id mi ultricies
adipiscing. Nulla facilisi. Praesent pulvinar,
sapien vel feugiat vestibulum, nulla dui pretium orci,
non ultricies elit lacus quis ante. Lorem ipsum dolor
sit amet, consectetur adipiscing elit. Aliquam
pretium ullamcorper urna quis iaculis. Etiam ac massa
sed turpis tempor luctus. Curabitur sed nibh eu elit
mollis congue. Praesent ipsum diam, consectetur vitae
ornare a, aliquam a nunc. In id magna pellentesque
tellus posuere adipiscing. Sed non mi metus, at lacinia
augue. Sed magna nisi, ornare in mollis in, mollis
sed nunc. Etiam at justo in leo congue mollis.
Nullam in neque eget metus hendrerit scelerisque
eu non enim. Ut malesuada lacus eu nulla bibendum
id euismod urna sodales. “;
$compressed = gzcompress($string);
echo “Original size: “. strlen($string).”\n”;
/* prints
Original size: 800
*/
echo “Compressed size: “. strlen($compressed).”\n”;
/* prints
Compressed size: 418
*/
// getting it back
$original = gzuncompress($compressed);

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