Description:
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When executing the script via CGI, file() function does not working fine on opening files via URL.

There is no error shown or result returned.

Reproduce code:
---------------
<?
$lines = file("http://yahoo.com");
echo "Total Lines: ".count($lines);
?>

Expected result:
----------------
nothing output from the script.



Actual result:
--------------
Total Lines: xxx

Where xxx should be the total lines > 0