file/directory operations in php

We can do numerous file directory operations in PHP. To delete a file “unlink” function is used. In below program, we can see different operations, we can uncomment code to see the behavior.

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>

</head>
<body>
<?php

$dir = "tasks/";

// to delete a single file
unlink("tasks/temp.txt");

// to show all the text files in a directory
  foreach (glob($dir."*.txt") as $filename)
  {    
  echo $filename . "<br>";
  }
  
  
//======================================================


/*
// to delete all the files from a directory
$dir = "files/";

foreach(glob($dir."*.*") as $v)
{    
unlink($v);
}

*/
?>

</body>
</html>

 

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