发布于 2015-07-17 06:34:50 | 79 次阅读 | 评论: 0 | 来源: 网友投递
PHP开源脚本语言
PHP（外文名: Hypertext Preprocessor，中文名：“超文本预处理器”）是一种通用开源脚本语言。语法吸收了C语言、Java和Perl的特点，入门门槛较低，易于学习，使用广泛，主要适用于Web开发领域。PHP的文件后缀名为php。
PHP 7.0.0 Beta 1发布了，此版本加入了全新的Zend引擎，大幅提升了性能（据称比5.4速度提升一倍），移除了旧的和不支持的SAPIs和扩展等等一些新特性。以下是更新列表和下载地址。
PHP 7.0.0 comes with new version of the Zend Engine with features such as (incomplete list):
Improved performance: PHP 7 is up to twice as fast as PHP 5.6
Consistent 64-bit support
Many fatal errors are now Exceptions
Removal of old and unsupported SAPIs and extensions
The null coalescing operator (??)
Combined comparison Operator (<=>)
Return Type Declarations
Scalar Type Declarations
Anonymous Classes
For more information on the new features and other changes, you can read the NEWS file, or the UPGRADING filefor a complete list of upgrading notes. These files can also be found in the release archive.
下载地址:
https://downloads.php.net/~ab/