Function to search a specific file in directories and subdirectories PHP-CodePudding

I need to create a function to search a specific file in all directories and subdirectories, myFile can be anywhere, here is my code :

    $rootDir = realpath($_SERVER["DOCUMENT_ROOT"]) . '/file';
    $filename = 'myFile';

    public function searchFile($rootDir, $filename)
    {
        $dir = opendir($rootDir);

        while ($entry = readdir($dir)) {
            if (is_file("$rootDir/$entry") && $entry == $filename) {
                return "$rootDir/$entry/$filename";
            }
            if (is_dir("$rootDir/$entry")) {
                return $this->searchFile("$rootDir/$entry", $filename);
            }
        }
    }

My problem is that I might have other files than 'myFile' in subdirectories and my recursive function throw me an error because '$entry' is becoming a file.

Here is an example of my directories:

-directory_1
             -directory11
                         -randomFile.pdf
-directory_2
            -myfile
-directory_3
            -directory_33
-etc...

CodePudding user response：

first get list of directories by using

<?php

$dirs = array_filter(glob('*'), 'is_dir');
//print_r($dirs);
?>

and check for file name by using for loop in each folder

<?php foreach($dirs as $key) { ?>

\\your code as you required. 

<? } ?>

To check list of files in directory refer this php function click

CodePudding user response：

Hey you can use PHP Class for this operation

RecursiveDirectoryIterator

RecursiveIteratorIterator

You can find with easy what you want file. Note: My base directory have "a" sub folder has "b" sub folder has "c" and this have test.txt file. –

<?php

$directory = new \RecursiveDirectoryIterator('a');
$iterator = new \RecursiveIteratorIterator($directory);

$filename = 'test.txt';

foreach ($iterator as $info) {
  if ($info->getFilename() == $filename) {
    echo $info->getFileInfo() . "\r\n";
  }
}

// Result
// a/b/c/test.txt

?>