Encoder ZLIB PHP
<?php
$str = 'hello world';
$enc = zlib_encode($str, ZLIB_ENCODING_DEFLATE);
echo bin2hex($enc); // 789ccb48cdc9c95728cf2fca4901001a0b045d
?>
Undefined
<?php
$str = 'hello world';
$enc = zlib_encode($str, ZLIB_ENCODING_DEFLATE);
echo bin2hex($enc); // 789ccb48cdc9c95728cf2fca4901001a0b045d
?>