PHP | fileperms() Function

Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP fileperms() Function.

The fileperms() function returns permission for a file or directory.

Syntax

Following below is the syntax to use this function -

int fileperms ( string $filename )

READ: PHP | fileowner() Function

Return Value

This PHP function returns permission as a number on success or false on failure.

Example1

Try out the below example -

<?php
   echo substr(sprintf("%o", fileperms("/PhpProject/sample.txt")), -4);
?>

Output

When the above code is executed, it will produce the following result -

0666

Example2

Try out the below example -

<?php
   $perms = fileperms("/PhpProject/sample.txt");

   switch($perms & 0xF000) {
      case 0xC000: // socket
         $info = 's';
         break;
      case 0xA000: // symbolic link
         $info = 'l';
         break;
      case 0x8000: // regular
         $info = 'r';
         break;
      case 0x6000: // block special
         $info = 'b';
         break;
      case 0x4000: // directory
         $info = 'd';
         break;
      case 0x2000: // character special
         $info = 'c';
         break;
      case 0x1000: // FIFO pipe
         $info = 'p';
         break;
      default: // unknown
         $info = 'u';
   }

   // Owner
   $info .= (($perms & 0x0100) ? 'r' : '-');
   $info .= (($perms & 0x0080) ? 'w' : '-');
   $info .= (($perms & 0x0040) ?
            (($perms & 0x0800) ? 's' : 'x' ) :
            (($perms & 0x0800) ? 'S' : '-'));

   // Group
   $info .= (($perms & 0x0020) ? 'r' : '-');
   $info .= (($perms & 0x0010) ? 'w' : '-');
   $info .= (($perms & 0x0008) ?
            (($perms & 0x0400) ? 's' : 'x' ) :
            (($perms & 0x0400) ? 'S' : '-'));

   echo $info;
?>

Output

When the above code is executed, it will produce the following result -

rrw-rw-

READ: PHP | file_get_contents() Function

Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial guide, we are going to be discussing about the PHP filesize() Function.

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