is_link(3) [php man page]

IS_LINK(3)								 1								IS_LINK(3)

is_link - Tells whether the filename is a symbolic link

SYNOPSIS

       bool is_link (string  $filename)

DESCRIPTION

	Tells whether the given file is a symbolic link.

PARAMETERS

	      o $filename
		- Path to the file.

RETURN VALUES

	Returns TRUE if the filename exists and is a symbolic link, FALSE otherwise.

EXAMPLES

       Example #1

	      Create and confirm if a file is a symbolic link

	      <?php
	      $link = 'uploads';

	      if (is_link($link)) {
		  echo(readlink($link));
	      } else {
		  symlink('uploads.php', $link);
	      }
	      ?>

ERRORS
/EXCEPTIONS
	Upon failure, an E_WARNING is emitted.

NOTES

       Note

	      The results of this function are cached. See clearstatcache(3) for more details.

       Tip

	      As  of  PHP  5.0.0,  this function can also be used with some URL wrappers. Refer to "Supported Protocols and Wrappers" to determine
	      which wrappers support stat(3) family of functionality.

SEE ALSO

       is_dir(3), is_file(3), readlink(3).

PHP Documentation Group 														IS_LINK(3)

SYMLINK(3)								 1								SYMLINK(3)

symlink - Creates a symbolic link

SYNOPSIS

       bool symlink (string  $target, string  $link)

DESCRIPTION

       symlink(3) creates a symbolic link to the existing $target with the specified name $link.

PARAMETERS

	      o $target
		- Target of the link.

	      o $link
		- The link name.

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

CHANGELOG

       +--------+---------------------------------------------------+
       |Version |						    |
       |	|						    |
       |	|		     Description		    |
       |	|						    |
       +--------+---------------------------------------------------+
       | 5.3.0	|						    |
       |	|						    |
       |	|  This  function is now available on Windows plat- |
       |	| forms (Vista, Server 2008 or greater).	    |
       |	|						    |
       +--------+---------------------------------------------------+
EXAMPLES

       Example #1

	      Create a symbolic link

	      <?php
	      $target = 'uploads.php';
	      $link = 'uploads';
	      symlink($target, $link);

	      echo readlink($link);
	      ?>

NOTES

       Note

	       Windows users should note that this function will only work if the system you run PHP from is Windows Vista/Windows Server 2008	or
	      newer. Windows versions prior to that do not support symbolic links.

SEE ALSO

       link(3), readlink(3), linkinfo(3).

PHP Documentation Group 														SYMLINK(3)