After a few RCs, PHP 7 will be officially released on November 12, 2015. This is a major release of PHP since PHP 5.6. @Laruence, one of the core contributors of PHP, has posted this news on Weibo(China's Twitter). This is a one month later than the expected time as recorded in PHP 7 timeline. But it's not that late.The new release will come with a few features including:Scalar type declaration, you can define variable like int nowReturn type support. Besides declare scalar type for variable, you can return typed data from function as wellNull coalesce operator(??). It is a syntactic...