RecursiveDirectoryIterator::__construct

(PHP 5 >= 5.1.2, PHP 7)

RecursiveDirectoryIterator::__construct — Constructs a RecursiveDirectoryIterator

说明

public RecursiveDirectoryIterator::__construct ( string $path [, int $flags = FilesystemIterator::KEY_AS_PATHNAME | FilesystemIterator::CURRENT_AS_FILEINFO ] )

Constructs a RecursiveDirectoryIterator() for the provided path.

参数

path

The path of the directory to be iterated over.

flags

Flags may be provided which will affect the behavior of some methods. A list of the flags can found under FilesystemIterator predefined constants. They can also be set later with FilesystemIterator::setFlags().

返回值

Returns the newly created RecursiveDirectoryIterator.

错误／异常

Throws an UnexpectedValueException if the path cannot be found or is not a directory.

范例

Example #1 RecursiveDirectoryIterator example

<?php

$directory = '/tmp';

$it = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($directory));

$it->rewind();
while($it->valid()) {

    if (!$it->isDot()) {
        echo 'SubPathName: ' . $it->getSubPathName() . "\n";
        echo 'SubPath:     ' . $it->getSubPath() . "\n";
        echo 'Key:         ' . $it->key() . "\n\n";
    }

    $it->next();
}

?>

以上例程的输出类似于：

SubPathName: fruit/apple.xml
SubPath:     fruit
Key:         /tmp/fruit/apple.xml

SubPathName: stuff.xml
SubPath:     
Key:         /tmp/stuff.xml

SubPathName: veggies/carrot.xml
SubPath:     veggies
Key:         /tmp/veggies/carrot.xml

参见