zlib_encode

(PHP 5 >= 5.4.0, PHP 7)

zlib_encode — Compress data with the specified encoding

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

Compress data with the specified encoding.

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data

The data to compress.

encoding

The compression algorithm. Either ZLIB_ENCODING_RAW, ZLIB_ENCODING_DEFLATE or ZLIB_ENCODING_GZIP.

level

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Example #1 zlib_encode() example

<?php
$str = 'hello world';
$enc = zlib_encode($str, ZLIB_ENCODING_DEFLATE);
echo bin2hex($enc);
?>

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