Check if the specified file is readable with is_readable() function in PHP

Description

The following code shows how to check if the specified file is readable with is_readable() function.

Example

  /*from   w  w w.  j a  v  a2  s.  c om*/
<?php
    $file = "test.txt";
    if(is_readable($file)){
      echo ("$file is readable");
    }else{
      echo ("$file is not readable");
    }
?>

The code above generates the following result.