Find directory path of file in php

Question

I have some doubts in creating search engine to find directory path of file.

For example, Consider this is updated code,

 <?php

$files = array();
if(isset($_POST['submit'])) {
    $file_to_search = $_POST['file'];
    $root_path = "C:\\xampp\\htdocs\\cat\\"; // your doc root

    foreach ($iterator = new RecursiveIteratorIterator(
        new RecursiveDirectoryIterator($root_path, 
            RecursiveDirectoryIterator::SKIP_DOTS),
        RecursiveIteratorIterator::SELF_FIRST) as $value) {

        if($value->getFilename() == $file_to_search) {
            $files[] = $value->getPathname();
        }   
    }
}

?>

<form method="POST" action="index1.php">
    File To Search: <input type="text" name="file" /><br/>
    <input type="submit" name="submit" value="Search" />
</form>

<?php if(!empty($files)): ?>
<div id="output">
    <?php foreach($files as $value) {
        echo "$value<br/>";
    } ?>
</div>
<?php endif; ?>

I want to create search engine, which is use to find the exact directory path of certain file.

Can anyone help me? Thanks in advance.

Answer 1

As to your question of getting the exact directory path if the certain file, alternatively, you could use a RecursiveDirectoryIterator to search for that file that you want to know where it is inside.

Lets say, I have a structure like this:

/var/
  /www/
      /test/
         /images/
             /images1/
                 image.png <--- this one for example
                 image.jpg
             /images2/
                 image3.png

Lets say you want to search image.png. Consider this example:

$file_to_search = 'image.png';
$root_path = '/var/www/test'; // your doc root

foreach ($iterator = new RecursiveIteratorIterator(
    new RecursiveDirectoryIterator($root_path, 
        RecursiveDirectoryIterator::SKIP_DOTS),
    RecursiveIteratorIterator::SELF_FIRST) as $value) {

    if($value->getFilename() == $file_to_search) {
        echo $value->getPathname();
    }   
}

// should output: /var/www/test/images/images1/image.png

Simple Application of the code above:

<?php

$files = array();
if(isset($_POST['submit'])) {
    $file_to_search = $_POST['file'];
    $root_path = '/var/www/test'; // your doc root

    foreach ($iterator = new RecursiveIteratorIterator(
        new RecursiveDirectoryIterator($root_path, 
            RecursiveDirectoryIterator::SKIP_DOTS),
        RecursiveIteratorIterator::SELF_FIRST) as $value) {

        if($value->getFilename() == $file_to_search) {
            $files[] = $value->getPathname();
        }   
    }
}

?>

<form method="POST" action="index.php">
    File To Search: <input type="text" name="file" /><br/>
    <input type="submit" name="submit" value="Search" />
</form>

<?php if(!empty($files)): ?>
<div id="output">
    <?php foreach($files as $value) {
        echo "$value<br/>";
    } ?>
</div>
<?php else: ?>
    <?php if(isset($_POST['submit'])) echo 'no file found'; ?>
<?php endif; ?>