Php/docs/function.zlib-encode

• PHP Manual
• Zlib Functions
• Compress data with the specified encoding

zlib_encode

(PHP 5 >= 5.4.0, PHP 7)

zlib_encode — Compress data with the specified encoding

Description

zlib_encode ( string $data , int $encoding [, int $level = -1 ] ) : string|false

Compress 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_DEFLATE or ZLIB_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