Description:
------------
uname -a:
SunOS {HOSTNAME} 5.9 Generic_112233-12 sun4u sparc SUNW Ultra-Enterprise

PHP5.0.0RC3, compiled as cgi-sapi (with cli) with gcc version 2.95.3 for 64bit.

Calling the readdir() function returns a "Fatal error: Call to undefined function readdir()", both from the cgi- and cli-sapi.
This is not influenced by execute rights of the php binary.
Using -e (extended debugging info) and -n (don't use php.ini) doesn't provide any further information.
This in turn makes the PEAR Installation fail as those scripts also use readdir().
opendir(), is_dir(), dir(), scandir(), getcwd(), chdir() all work.




Reproduce code:
---------------
CGI:
----
if ($handle = opendir("/any/path/here")) {
   while (false !== ($file = readdir($handle))) { 
       echo "$file\n";
   }
}

CLI:
----
php -e -n -r 'if ($handle = opendir("/any/path/here")) { while (false !== ($file = readdir($handle))) { echo "$file\n"; } };'


Expected result:
----------------
list of files in the directory

Actual result:
--------------
Fatal error: Call to undefined function readdir()