DirectoryIterator::isWritable
(PHP 5)
DirectoryIterator::isWritable — Determine if current DirectoryIterator item can be written to
說明
public bool DirectoryIterator::isWritable
( void
)
Determines if the current DirectoryIterator item is writable.
參數
此函式沒有參數。
回傳值
Returns TRUE if the file/directory is writable, otherwise FALSE
範例
Example #1 DirectoryIterator::isWritable() example
This example lists the files and directories which can be opened for writing in the directory containing the script.
<?php
$iterator = new DirectoryIterator(dirname(__FILE__));
foreach ($iterator as $fileinfo) {
if ($fileinfo->isWritable()) {
echo $fileinfo->getFilename() . "\n";
}
}
?>
上例的輸出類似於：
apples.txt bananas.html pears
參見
- DirectoryIterator::getPerms() - Get the permissions of current DirectoryIterator item
- DirectoryIterator::isExecutable() - Determine if current DirectoryIterator item is executable
- DirectoryIterator::isReadable() - Determine if current DirectoryIterator item can be read
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