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PHP中的常量

PHP中的常量

PHP
qq_天蝎的尾巴卍_0 2016-12-29 15:52:00
常量的特点是什么?常量的有什么作用?
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KevenHuang

TA贡献280条经验 获得超233个赞

常量的特点是只能定义一次,不能修改不能删除,不限作用域,常量一般用于定义那些固定不变的值,如利率,路径等等…
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反对 回复 2016-12-29
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慕瓜9220888

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反对 回复 2021-10-19
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