PHP DirectoryIterator getATime()用法及代码示例

DirectoryIterator::getATime()函数是PHP中的内置函数，用于获取当前DirectoryIterator项的最后访问时间。

用法:

int DirectoryIterator::getATime( void )

参数：该函数不接受任何参数。

返回值：此函数以Unix时间戳记返回上次访问文件的时间。

以下示例程序旨在说明PHP中的DirectoryIterator::getATime()函数：

示例1:

<?php 
  
// Create a directory Iterator 
$directory = new DirectoryIterator(dirname(__FILE__)); 
  
// Loop runs while directory is valid 
while ($directory->valid()) { 
  
    // Check for directory element 
    if ($directory->isDir()) { 
        $file = $directory->current(); 
  
        // Display the filename and last accessed time 
        echo $file->getFilename() . " | ATime: "
                . $directory->getATime() . "<br>"; 
    } 
  
    // Move to the next element 
    $directory->next(); 
} 
?>

输出：

. | ATime: 1574654324
.. | ATime: 1574540515
dashboard | ATime: 1574350724
img | ATime: 1574350724
webalizer | ATime: 1574350718
xampp | ATime: 1574350724

示例2:

<?php 
  
// Create a directory Iterator 
$directory = new DirectoryIterator(dirname(__FILE__)); 
  
// Loop runs for each element of directory 
foreach($directory as $dir) { 
      
    $file = $directory->current(); 
      
    // Display the key, filename and its 
    // last accessed time 
    echo $dir->key() . " => " .  
        $file->getFilename() . " | ATime: " . 
        $dir->getATime() . "<br>"; 
} 
?>

输出：

0 => . | ATime: 1574654324
1 => .. | ATime: 1574540515
2 => applications.html | ATime: 1574350724
3 => bitnami.css | ATime: 1574350724
4 => dashboard | ATime: 1574350724
5 => favicon.ico | ATime: 1574350724
6 => geeks.PNG | ATime: 1574478578
7 => gfg.php | ATime: 1574654749
8 => img | ATime: 1574350724
9 => index.php | ATime: 1574350723
10 => Sublime Text Build 3211 x64 Setup.exe | ATime: 1574654324
11 => webalizer | ATime: 1574350718
12 => xampp | ATime: 1574350724

注意：此函数的输出取决于服务器文件夹的内容。

参考： https://www.php.net/manual/en/directoryiterator.getatime.php

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注：本文由纯净天空筛选整理自jit_t大神的英文原创作品 PHP | DirectoryIterator getATime() Function。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。