PHP7于 12月17日发布了
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
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