DirectoryIterator::isReadable
(PHP 5, PHP 7, PHP 8)
DirectoryIterator::isReadable — Determine if current DirectoryIterator item can be read
说明
public DirectoryIterator::isReadable(): bool
Determines if the current DirectoryIterator item is readable.
参数
此函数没有参数。
返回值
Returns true if the file is readable, otherwise false
范例
示例 #1 DirectoryIterator::isReadable() example
<?php
$iterator = new DirectoryIterator(dirname(__FILE__));
foreach ($iterator as $fileinfo) {
if ($fileinfo->isReadable()) {
echo $fileinfo->getFilename() . "\n";
}
}
?>
以上例程的输出类似于：
apple.jpg banana.jpg example.php pears.jpg
参见
- DirectoryIterator::isExecutable() - Determine if current DirectoryIterator item is executable
- DirectoryIterator::isWritable() - Determine if current DirectoryIterator item can be written to
- DirectoryIterator::getPerms() - Get the permissions of current DirectoryIterator item
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