Get File data array from a multidimensionnal $_FILES post array

getFileArray.php

/**
 * Get a single file data from an array of files.
 * Provide null for file keys ('name', 'tmp_name', ...)
 * See example below
 * 
 * @param array $files $_FILES
 * @param array $path path to file data

 * @return array file data
 */
function getFileArray(array $files, array $path) {
    $fileKeys = array(
        'name',
        'type',
        'tmp_name',
        'error',
        'size',
    );
    
    $file = array();
    
    foreach ($fileKeys as $key) {
        $value = $files;
        
        foreach ($path as $p) {
            $value = $value[(null === $p) ? $key : $p];
        }
        
        $file[$key] = $value;
    }
    
    return $file;
}

// Example for a form with files named "files[0]" and "files[1]" :
getFileArray($_FILES, array('files', null, 0));
getFileArray($_FILES, array('files', null, 1));