PHP7于 12月17日发布了

ispro

我感兴趣的是第一点， 增强的性能，php7 比 php5.6快2倍，通达还在用5.3.29, 加油啊

2. 节约内存

3. 语法树

4. 64位支持

5.清除了很多致命错误

6.清楚了很多旧的不支持的扩展

7.。。。。。

PHP 7.0.0 comes with a new version of the Zend Engine, numerous improvements and new features such as

• Improved performance: PHP 7 is up to twice as fast as PHP 5.6
• Significantly reduced memory usage
• Abstract Syntax Tree
• Consistent 64-bit support
• Improved Exception hierarchy
• Many fatal errors converted to Exceptions
• Secure random number generator
• Removed old and unsupported SAPIs and extensions
• The null coalescing operator (??)
• Return and Scalar Type Declarations
• Anonymous Classes
• Zero cost asserts