# 补充\*新的全局常量

> 参考:[New Global Constants](http://php.net/manual/zh/migration70.constants.php)

## 新的全局常量

### [Core Predefined Constants](http://php.net/manual/zh/reserved.constants.php)

* `PHP_INT_MIN`

### [GD](http://php.net/manual/zh/book.image.php)

* `IMG_WEBP`

  (as of PHP 7.0.10)

### [JSON](http://php.net/manual/zh/book.json.php)

* `JSON_ERROR_INVALID_PROPERTY_NAME`
* `JSON_ERROR_UTF16`

### [LibXML](http://php.net/manual/zh/book.libxml.php)

* `LIBXML_BIGLINES`

### [PCRE](http://php.net/manual/zh/book.pcre.php)

* `PREG_JIT_STACKLIMIT_ERROR`

### [POSIX](http://php.net/manual/zh/book.posix.php)

* `POSIX_RLIMIT_AS`
* `POSIX_RLIMIT_CORE`
* `POSIX_RLIMIT_CPU`
* `POSIX_RLIMIT_DATA`
* `POSIX_RLIMIT_FSIZE`
* `POSIX_RLIMIT_LOCKS`
* `POSIX_RLIMIT_MEMLOCK`
* `POSIX_RLIMIT_MSGQUEUE`
* `POSIX_RLIMIT_NICE`
* `POSIX_RLIMIT_NOFILE`
* `POSIX_RLIMIT_NPROC`
* `POSIX_RLIMIT_RSS`
* `POSIX_RLIMIT_RTPRIO`
* `POSIX_RLIMIT_RTTIME`
* `POSIX_RLIMIT_SIGPENDING`
* `POSIX_RLIMIT_STACK`
* `POSIX_RLIMIT_INFINITY`

### [Zlib](http://php.net/manual/zh/book.zlib.php)

* `ZLIB_ENCODING_RAW`
* `ZLIB_ENCODING_DEFLATE`
* `ZLIB_ENCODING_GZIP`
* `ZLIB_FILTERED`
* `ZLIB_HUFFMAN_ONLY`
* `ZLIB_FIXED`
* `ZLIB_RLE`
* `ZLIB_DEFAULT_STRATEGY`
* `ZLIB_BLOCK`
* `ZLIB_FINISH`
* `ZLIB_FULL_FLUSH`
* `ZLIB_NO_FLUSH`
* `ZLIB_PARTIAL_FLUSH`
* `ZLIB_SYNC_FLUSH`