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从 PHP 5.5.x 移植到 PHP 5.6.x
目录
向后不兼容
新特性
PHP 5.6.x 中已废止的特性
函数的变化
新加函数
OpenSSL changes in PHP 5.6.x
扩展中的变动
新加的全局常量
PHP 5.6 中大多数的改善对旧项目没有影响。有一些
不兼容处
和
新功能
需要注意下,并且在正式布署升级后的项目前应该测试代码。
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