cvs: phpdoc /en/faq using.xml

wiesemann Sat Jan 4 08:29:23 2003 EDT Modified files: /phpdoc/en/faq using.xml Log: added link to return function, typo fix, added note on array $_SERVER Index: phpdoc/en/faq/using.xml diff -u phpdoc/en/faq/using.xml:1.19 phpdoc/en/faq/using.xml:1.20 --- phpdoc/en/faq/using.xml:1.19 Sun Jun 16 03:11:00 2002 +++ phpdoc/en/faq/using.xml Sat Jan 4 08:29:22 2003 @@ -1,5 +1,5 @@ <?xml version="1.0" encoding="iso-8859-1"?> -<!-- $Revision: 1.19 $ --> +<!-- $Revision: 1.20 $ --> <chapter id="faq.using"> <title>Using PHP</title> <titleabbrev>Using PHP</titleabbrev> @@ -78,7 +78,7 @@ <para> To be able to use the results of your function in an expression (such as concatenating it with other strings in the example above), you need - to <emphasis>return</emphasis> the value, not <function>echo</function> + to <function>return</function> the value, not <function>echo</function> it. </para> </answer> @@ -278,8 +278,16 @@ Environment variables are normal global variables, so you must either declare them as global variables in your function (by using "<literal>global $DOCUMENT_ROOT;</literal>", for example) or by using - the global variable array (ie, "<literal>$GLOBALS["DOCUMENT_ROOT"]</literal>". + the global variable array (ie, "<literal>$GLOBALS["DOCUMENT_ROOT"]</literal>"). </para> + <note> + <para> + Since PHP 4.1.0 you can also use the superglobal array + <literal>$_SERVER</literal> which is available in every function. + For example, you can now use <literal>$_SERVER["DOCUMENT_ROOT"]</literal> + instead of <literal>$DOCUMENT_ROOT</literal>. + </para> + </note> </answer> </qandaentry>