FilesystemIterator::rewind()
(PHP 5>=5.3.0,PHP 7)
Rewinds back to the beginning
说明
public FilesystemIterator::rewind(void) : void
Rewinds the directory back to the start.
参数
此函数没有参数。
返回值
没有返回值。
范例
Example#1FilesystemIterator::rewind()example
<?php $iterator = new FilesystemIterator(dirname(__FILE__), FilesystemIterator::KEY_AS_FILENAME); echo $iterator->key() . "\n"; $iterator->next(); echo $iterator->key() . "\n"; $iterator->rewind(); echo $iterator->key() . "\n"; ?>
以上例程的输出类似于:
apple.jpg banana.jpg apple.jpg
参见
- DirectoryIterator::rewind() Rewind the DirectoryIterator back to the start