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内置 手动启用 该模块使您能够通过大多数[文件系统](https://www.php.net/manual/en/book.filesystem.php)功能的版本透明地读写gzip(.gz)压缩文件,这些[文件系统](https://www.php.net/manual/en/book.filesystem.php)功能适用于gzip压缩文件(也包括未压缩文件,但不适用于套接字)。 * [预定义常量](https://www.php.net/manual/en/zlib.constants.php) * [例子](https://www.php.net/manual/en/zlib.examples.php) * [Zlib函数](https://www.php.net/manual/en/ref.zlib.php) * [deflate\_add](https://www.php.net/manual/en/function.deflate-add.php)—增量压缩数据 * [deflate\_init](https://www.php.net/manual/en/function.deflate-init.php)—初始化增量deflate上下文 * [gzclose](https://www.php.net/manual/en/function.gzclose.php)—关闭打开的gz文件指针 * [gzcompress](https://www.php.net/manual/en/function.gzcompress.php)—压缩字符串 * [gzdecode](https://www.php.net/manual/en/function.gzdecode.php)—解码gzip压缩字符串 * [gzdeflate](https://www.php.net/manual/en/function.gzdeflate.php)—[压缩](https://www.php.net/manual/en/function.gzdeflate.php)字符串 * [gzencode](https://www.php.net/manual/en/function.gzencode.php)—创建一个gzip压缩字符串 * [gzeof](https://www.php.net/manual/en/function.gzeof.php)—在gz文件指针上测试EOF * [gzfile](https://www.php.net/manual/en/function.gzfile.php)—将整个gz文件读入数组 * [gzgetc](https://www.php.net/manual/en/function.gzgetc.php)—从gz文件指针获取字符 * [gzgets](https://www.php.net/manual/en/function.gzgets.php)—从文件指针获取行 * [gzgetss](https://www.php.net/manual/en/function.gzgetss.php)—从gz文件指针获取行并剥离HTML标签 * [gzinflate](https://www.php.net/manual/en/function.gzinflate.php)—给放气的字符串[充气](https://www.php.net/manual/en/function.gzinflate.php) * [gzopen](https://www.php.net/manual/en/function.gzopen.php)—打开gz文件 * [gzpassthru](https://www.php.net/manual/en/function.gzpassthru.php)—在gz文件指针上输出所有剩余数据 * [gzputs](https://www.php.net/manual/en/function.gzputs.php)— gzwrite的别名 * [gzread](https://www.php.net/manual/en/function.gzread.php)—读取二进制安全的gz文件 * [gzrewind](https://www.php.net/manual/en/function.gzrewind.php)—倒回gz文件指针的位置 * [gzseek](https://www.php.net/manual/en/function.gzseek.php)—搜寻gz文件指针 * [gztell](https://www.php.net/manual/en/function.gztell.php)—告诉gz文件指针读/写位置 * [gzuncompress](https://www.php.net/manual/en/function.gzuncompress.php)—解压缩压缩的字符串 * [gzwrite-](https://www.php.net/manual/en/function.gzwrite.php)二进制安全的gz文件写入 * [inflate\_add](https://www.php.net/manual/en/function.inflate-add.php)—增量[填充](https://www.php.net/manual/en/function.inflate-add.php)编码数据 * [inflate\_get\_read\_len](https://www.php.net/manual/en/function.inflate-get-read-len.php)—获取到目前为止已读取的字节数 * [inflate\_get\_status](https://www.php.net/manual/en/function.inflate-get-status.php)—获取减压状态 * [inflate\_init](https://www.php.net/manual/en/function.inflate-init.php)—初始化增量膨胀上下文 * [readgzfile](https://www.php.net/manual/en/function.readgzfile.php)—输出gz文件 * [zlib\_decode](https://www.php.net/manual/en/function.zlib-decode.php)—解压缩任何原始/ gzip / zlib编码的数据 * [zlib\_encode](https://www.php.net/manual/en/function.zlib-encode.php)—使用指定的编码压缩数据 * [zlib\_get\_coding\_type](https://www.php.net/manual/en/function.zlib-get-coding-type.php)—返回用于输出压缩的编码类型