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DirectoryIterator::isReadable

(PHP 5, PHP 7, PHP 8)

DirectoryIterator::isReadableDetermine 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

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