- gzdeflate: documentation ( source)
<?php
$compressed = gzdeflate('12123', 9);
echo $compressed;
$bzstr = bzcompress($compressed);
echo "Compressed String: ";
echo $bzstr;
echo "\n<br />\n";
$str = bzdecompress($bzstr);
echo "Decompressed String: ";
echo $str;
echo "\n<br />\n";
$compressed = gzdeflate('12123', 9);
echo $compressed;