AppendIterator
PHP Manual

AppendIterator::valid

(PHP 5 >= 5.1.0, PHP 7)

AppendIterator::validChecks validity of the current element

说明

public bool AppendIterator::valid ( void )

Checks validity of the current element.

参数

此函数没有参数。

返回值

Returns TRUE if the current iteration is valid, FALSE otherwise.

参见


AppendIterator
PHP Manual