APCUIterator
PHP Manual

APCUIterator::valid

(PECL apcu >= 5.0.0)

APCUIterator::validChecks if current position is valid

说明

public void APCUIterator::valid ( void )

Checks if the current iterator position is valid.

参数

此函数没有参数。

返回值

Returns TRUE if the current iterator position is valid, otherwise FALSE.

参见

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APCUIterator
PHP Manual