zlib_encode

    (PHP 5 >= 5.4.0, PHP 7, PHP 8)

    zlib_encode — Compress data with the specified encoding

    说明

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

    Compress data with the specified encoding.

    警告

    本函数还未编写文档，仅有参数列表。

    参数

    data

    The data to compress.

    encoding

    The compression algorithm. Either ZLIB_ENCODING_RAW, ZLIB_ENCODING_DEFLATE or ZLIB_ENCODING_GZIP.

    level

    返回值

    示例

    示例 #1 zlib_encode() example

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

    以上示例会输出：

    789ccb48cdc9c95728cf2fca4901001a0b045d

    参见

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    用户贡献的备注 1 note

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    geniuszxy at outlook dot com
    2 years ago
    zlib_encode, gzcompress, gzdeflate and gzencode are the same functions besides the parameter order.

    zlib_encode + ZLIB_ENCODING_RAW = gzdeflate
    zlib_encode + ZLIB_ENCODING_DEFLATE = gzcompress
    zlib_encode + ZLIB_ENCODING_GZIP = gzencode
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