內置 手動啟用 該模塊使您能夠通過大多數[文件系統](https://www.php.net/manual/en/book.filesystem.php)功能的版本透明地讀寫gzip（.gz）壓縮文件，這些[文件系統](https://www.php.net/manual/en/book.filesystem.php)功能適用于gzip壓縮文件（也包括未壓縮文件，但不適用于套接字）。 * [預定義常量](https://www.php.net/manual/en/zlib.constants.php) * [例子](https://www.php.net/manual/en/zlib.examples.php) * [Zlib函數](https://www.php.net/manual/en/ref.zlib.php) * [deflate\_add](https://www.php.net/manual/en/function.deflate-add.php)—增量壓縮數據 * [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)—關閉打開的gz文件指針 * [gzcompress](https://www.php.net/manual/en/function.gzcompress.php)—壓縮字符串 * [gzdecode](https://www.php.net/manual/en/function.gzdecode.php)—解碼gzip壓縮字符串 * [gzdeflate](https://www.php.net/manual/en/function.gzdeflate.php)—[壓縮](https://www.php.net/manual/en/function.gzdeflate.php)字符串 * [gzencode](https://www.php.net/manual/en/function.gzencode.php)—創建一個gzip壓縮字符串 * [gzeof](https://www.php.net/manual/en/function.gzeof.php)—在gz文件指針上測試EOF * [gzfile](https://www.php.net/manual/en/function.gzfile.php)—將整個gz文件讀入數組 * [gzgetc](https://www.php.net/manual/en/function.gzgetc.php)—從gz文件指針獲取字符 * [gzgets](https://www.php.net/manual/en/function.gzgets.php)—從文件指針獲取行 * [gzgetss](https://www.php.net/manual/en/function.gzgetss.php)—從gz文件指針獲取行并剝離HTML標簽 * [gzinflate](https://www.php.net/manual/en/function.gzinflate.php)—給放氣的字符串[充氣](https://www.php.net/manual/en/function.gzinflate.php) * [gzopen](https://www.php.net/manual/en/function.gzopen.php)—打開gz文件 * [gzpassthru](https://www.php.net/manual/en/function.gzpassthru.php)—在gz文件指針上輸出所有剩余數據 * [gzputs](https://www.php.net/manual/en/function.gzputs.php)— gzwrite的別名 * [gzread](https://www.php.net/manual/en/function.gzread.php)—讀取二進制安全的gz文件 * [gzrewind](https://www.php.net/manual/en/function.gzrewind.php)—倒回gz文件指針的位置 * [gzseek](https://www.php.net/manual/en/function.gzseek.php)—搜尋gz文件指針 * [gztell](https://www.php.net/manual/en/function.gztell.php)—告訴gz文件指針讀/寫位置 * [gzuncompress](https://www.php.net/manual/en/function.gzuncompress.php)—解壓縮壓縮的字符串 * [gzwrite-](https://www.php.net/manual/en/function.gzwrite.php)二進制安全的gz文件寫入 * [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)編碼數據 * [inflate\_get\_read\_len](https://www.php.net/manual/en/function.inflate-get-read-len.php)—獲取到目前為止已讀取的字節數 * [inflate\_get\_status](https://www.php.net/manual/en/function.inflate-get-status.php)—獲取減壓狀態 * [inflate\_init](https://www.php.net/manual/en/function.inflate-init.php)—初始化增量膨脹上下文 * [readgzfile](https://www.php.net/manual/en/function.readgzfile.php)—輸出gz文件 * [zlib\_decode](https://www.php.net/manual/en/function.zlib-decode.php)—解壓縮任何原始/ gzip / zlib編碼的數據 * [zlib\_encode](https://www.php.net/manual/en/function.zlib-encode.php)—使用指定的編碼壓縮數據 * [zlib\_get\_coding\_type](https://www.php.net/manual/en/function.zlib-get-coding-type.php)—返回用于輸出壓縮的編碼類型