The feof command detects whether you have already read to the end of the file and returns True or False.
feof命令将检测您是否已经读到文件的末尾并返回True或False。
Words are separated by hyphens, and the function's name ends with a question mark, indicating it is a predicate in that it returns true or false.
单词均以连字符分隔，并且此函数的名字是以一个问号结尾的，用以表示此函数是一个断言，因它会返回true或 false。
The db2_execute statement returns true or false when completed, and the result set of the query must be bound to a variable before the SQL statement is run.
db2_execute语句在完成时将返回true或false，而且必须将查询的结果集绑定到变量，然后才能运行sql语句。
This method returns true if the file or directory is successfully deleted. Otherwise it returns false.
若文件或目录被成功删除，此方法将返回true，否则返回false。
The is validated predicate returns true if the XML document is already validated against any specific schema or against any registered schemas, else it will return false.
如果已经根据特定的模式或任何已注册模式验证了XML文档，IS VALIDATED谓词将返回true，否则返回false。
The is not validated predicate returns true if the XML document is not validated against specified schema or any of the registered schemas, or else it will return false.
如果还没有根据特定的模式或任何已注册模式验证了XML文档，IS NOT VALIDATED谓词将返回true，否则返回false。
All of the Conditional Tags test to see whether a certain condition is met, and then returns either TRUE or FALSE.
所有的条件式标签测试看看是否符合某个条件，然后返回正确或者错误。
Returns true if the browser is sending cookies only over a secure protocol, or false if the browser can send cookies using any protocol.
如果浏览器仅仅安全协议下发送cookie则返回true。浏览器能使用任何协议发送cookie则返回fasle。
Returns true if the browser is sending cookies only over a secure protocol, or false if the browser can send cookies using any protocol.
如果浏览器仅仅安全协议下发送cookie则返回true。浏览器能使用任何协议发送cookie则返回fasle。
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