PHP7 use 语句：从同一个 namespace 中导入类、函数和常量

PHP 7 可以使用一个 use 从同一个 namespace 中导入类、函数和常量：文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

实例:文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

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//PHP7之前文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

use some amespaceClassA;文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

use some amespaceClassB;文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

use some amespaceClassC as C;文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

use function some amespacen_a;文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

use function some amespacen_b;文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

use function some amespacen_c;文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

use const some amespaceConstA;文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

use const some amespaceConstB;文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

use const some amespaceConstC;文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

// PHP7之后文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

use some amespace{ClassA, ClassB, ClassC as C};文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

use function some amespace{fn_a, fn_b, fn_c};文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

use const some amespace{ConstA, ConstB, ConstC};文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/13016.html

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