PHP/File Directory/is readable

is_readable

   <source lang="html4strict">

<?php $file_name="permissions.php"; if(is_readable($file_name)) {

   echo ("The file $file_name is readable.
");

} else {

   echo ("The file $file_name is not readable.
");

} ?>

 </source>
   
  

is_readable() function checks the readability of both a file and a directory.

   <source lang="html4strict">

Its syntax is: bool is_readable (string filename) <? $filename="data.txt"; if ( is_readable($filename) ) :

    $fh = fopen($filename, "r");

else :

    print "$filename Is not readable!";

endif; ?>

 </source>
   
  

is_readable() tells you whether you can read a file.

   <source lang="html4strict">

<? if ( is_readable( "data.txt" ) ) {

 print "data.txt is readable";

} ?>

 </source>