#php - copy all files (recursive) in a directory to another

copy-files.php

<?php 
// function definition 
// copy a directory and its contents 
function copyTree($source, $destination) { 
  if (file_exists($source)) { 
    // create source pointer 
    $dp = opendir($source) or die ('ERROR: Cannot open directory'); 
     
    // if destination directory does not exist 
    // create it 
    if (!file_exists($destination)) { 
      mkdir($destination) or die('ERROR: Cannot create directory ' . $destination);       
    } 
     
    // read source contents 
    // if file, copy to destination 
    // if directory, call recursively 
    while ($file = readdir($dp)) { 
      if ($file != '.' && $file != '..') { 
        if (is_file("$source/$file")) { 
          copy("$source/$file", "$destination/$file") or die('ERROR: Cannot copy file ' . "$source/$file"); 
        } else if (is_dir("$source/$file")) { 
          copyTree("$source/$file", "$destination/$file"); 
        } 
      } 
    } 
     
    // close source pointer 
    closedir($dp); 
  }  
} 
?> 

<?php 
if (file_exists('/home/username/public_html/')) { 
  copyTree('/home/username/public_html/', 'beta'); 
  echo 'File(s) copied.'; 
} 
?>