(PHP 5 >= 5.4.0, PHP 7)
zlib_encode — Compress data with the specified encoding
$data
, string $encoding
[, string $level = -1
] )Compress data with the specified encoding.
This function is currently not documented; only its argument list is available.
dataThe data to compress.
encoding
The compression algorithm. Either ZLIB_ENCODING_RAW,
ZLIB_ENCODING_DEFLATE or
ZLIB_ENCODING_GZIP.
level
Example #1 zlib_encode() example
<?php
$str = 'hello world';
$enc = zlib_encode($str, ZLIB_ENCODING_DEFLATE);
echo bin2hex($enc);
?>
The above example will output:
789ccb48cdc9c95728cf2fca4901001a0b045d