document that HTTP_*_VARS are always set when enabled

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@40023 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
jim winstead 2001-01-23 02:35:42 +00:00
parent b71e069eb1
commit a638921429

View file

@ -432,7 +432,9 @@ $bar = &test(); // Invalid.
These variables are created by PHP itself. The
<varname>$HTTP_*_VARS</varname> variables are available only if
the <link linkend="ini.track-vars">track_vars</link>
configuration is turned on.
configuration is turned on. When enabled, the variables are
always set, even if they are empty arrays. This prevents
a malicious user from spoofing these variables.
</simpara>
<note>