zlib_encode
(PHP 5 >= 5.4.0, PHP 7, PHP 8)
zlib_encode — Compress data with the specified encoding
Description
zlib_encode(string
$data, int $encoding, int $level = -1): string|falseCompress data with the specified encoding.
Warning
This function is currently not documented; only its argument list is available.
Parameters
-
data -
The data to compress.
-
encoding -
The compression algorithm. Either
ZLIB_ENCODING_RAW,ZLIB_ENCODING_DEFLATEorZLIB_ENCODING_GZIP. -
level -
Return Values
Examples
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
See Also
- zlib_decode() - Uncompress any raw/gzip/zlib encoded data
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