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FilesystemIterator::key

(PHP 5 >= 5.3.0, PHP 7)

FilesystemIterator::key — Retrieve the key for the current file

Description

代码语言:javascript
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public string FilesystemIterator::key ( void )

Parameters

This function has no parameters.

Return Values

Returns the pathname or filename depending on the set flags. See the FilesystemIterator constants.

Examples

Example #1 FilesystemIterator::key() example

This example will list the contents of the directory containing the script.

代码语言:javascript
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<?php
$iterator?=?new?FilesystemIterator(dirname(__FILE__),?FilesystemIterator::KEY_AS_FILENAME);
foreach?($iterator?as?$fileinfo)?{
????echo?$iterator->key()?.?"\n";
}
?>

The above example will output something similar to:

代码语言:javascript
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apple.jpg
banana.jpg
example.php

See Also

  • FilesystemIterator constants
  • DirectoryIterator::key() - Return the key for the current DirectoryIterator item
  • DirectoryIterator::getFilename() - Return file name of current DirectoryIterator item.
  • DirectoryIterator::getPathname() - Return path and file name of current DirectoryIterator item

← FilesystemIterator::getFlags

代码语言:txt
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 ? 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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