PHP Manual
TokyoTyrantIterator
Returns the current key

TokyoTyrantIterator::key

(PECL tokyo_tyrant >= 0.2.0)

TokyoTyrantIterator::key — Returns the current key

说明

public TokyoTyrantIterator::key ( void ) : mixed

Returns the current key.

参数

此函数没有参数。

返回值

Returns the current key on success and false on failure.

参见

TokyoTyrantIterator::valid() - Rewinds the iterator
TokyoTyrantIterator::current() - Get the current value
TokyoTyrantIterator::next() - Move to next key
TokyoTyrantIterator::rewind() - Rewinds the iterator

相关文章

php callbackfilteriterator calls the callback with the current value the current key and the inner iterator as arguments php set returns the current capacity php ev returns the set of backends supported by current libev configuration php eventbufferevent returns the current cipher name of the ssl connection php filteriterator get the current key php php 选项/信息函数 returns the current process title php maxdb 函数 returns the thread id for the current connection php ncurses 函数 returns current line kill character php ncurses 函数 returns current soft label key attribute php imagickdraw returns the current polygon fill rule php mysqli result returns the lengths of the columns of the current row in the result set php norewinditerator get the current key php oci lob returns current state of buffering for the large object php recursivedirectoryiterator returns whether current entry is a directory and not . or .. php regexiterator returns current regular expression php simplexmliterator returns the current element php simplexmliterator returns the sub elements of the current element php tokyotyrantiterator returns the current key php tokyotyrantquery returns the current key php weakmap returns the current key under iteration

关注编程学问公众号