• Each test performs a comparison against the argument and returns true or false.

    每次测试都会比较自变量返回

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  • The feof command detects whether you have already read to the end of the file and returns True or False.

    feof命令将检测是否已经文件末尾返回TrueFalse

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  • 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.

    单词连字符分隔并且函数名字是以问号结尾的,用以表示此函数一个断言,因会返回true false

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  • 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语句在完成将返回truefalse而且必须查询结果绑定变量,然后才能运行sql语句。

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  • This method returns true if the file or directory is successfully deleted. Otherwise it returns false.

    文件目录成功删除方法返回true否则返回false

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  • 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.

    如果已经根据特定模式任何已注册模式验证XML文档IS VALIDATED谓词返回true否则返回false

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  • It executes and returns true on success or false on failure.

    查询成功返回true,在失败时返回false

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  • 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模式任何已注册模式验证XML文档IS NOT VALIDATED谓词返回true否则返回false

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  • All of the Conditional Tags test to see whether a certain condition is met, and then returns either TRUE or FALSE.

    所有条件标签测试看看是否符合某个条件然后返回正确或者错误

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  • This function returns TRUE if the file or directory exists, otherwise it returns FALSE.

    如果文件目录存在函数返回True;如果不存在,则返回False

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  • This function returns TRUE if headers has been sent or FALSE if not.

    函数的作用是:检查是否发送以及在哪里被发送。

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  • This function returns TRUE on success, or FALSE on failure.

    函数返回TRUE则表示成功,返回FALSE则表示失败。

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  • 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发送cookie返回true。浏览器使用任何协议发送cookie则返回fasle。

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  • 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发送cookie返回true。浏览器使用任何协议发送cookie则返回fasle。

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