8.1 命名空间
一个唯一命名空间的前缀总是全部小写的ASCII字母并且是一个顶级域名,通常是com,edu,gov,mil,net,org,或1981年ISO 3166标准所指定的标识国家的英文双字符代码。命名空间的后续部分根据不同机构各自内部的命名规范而不尽相同。这类命名规范可能以特定目录名的组成来区分部门(department),项目(project),机器(machine),或注册名(login names),也可以按功能模块来分类。
8.2.1 类属性的命名
属性命名应该以字符‘m’为前缀。
前缀‘m’后采用于类命名一致的规则。
‘m’总是在名字的开头起修饰作用,就像以‘r’开头表示引用一样。
理由
前缀m防止类属性和方法名发生任何冲突。你的方法名和属性名经常会很类似,特别是存取元素。
例如
class NameOneTwo
{
int $mVarAbc;
int $mErrorNumber;
String $mrName;
}

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