cvs: phpdoc /en/reference/strings/functions echo.xml

sean Tue Aug 9 13:38:33 2005 EDT Modified files: /phpdoc/en/reference/strings/functions echo.xml Log: echo is not a function; neither is print; print, however, BEHAVES like a function -- #33968 http://cvs.php.net/diff.php/phpdoc/en/reference/strings/functions/echo.xml?r1=1.15&r2=1.16&ty=u Index: phpdoc/en/reference/strings/functions/echo.xml diff -u phpdoc/en/reference/strings/functions/echo.xml:1.15 phpdoc/en/reference/strings/functions/echo.xml:1.16 --- phpdoc/en/reference/strings/functions/echo.xml:1.15 Tue Nov 23 04:38:18 2004 +++ phpdoc/en/reference/strings/functions/echo.xml Tue Aug 9 13:38:32 2005 @@ -1,5 +1,5 @@ <?xml version="1.0" encoding="iso-8859-1"?> -<!-- $Revision: 1.15 $ --> +<!-- $Revision: 1.16 $ --> <!-- splitted from ./en/functions/strings.xml, last change in rev 1.2 --> <refentry id="function.echo"> <refnamediv> @@ -18,9 +18,12 @@ </simpara> <para> <function>echo</function> is not actually a function (it is a - language construct) so you are not required to use parentheses - with it. In fact, if you want to pass more than one parameter - to echo, you must not enclose the parameters within parentheses. + language construct), so you are not required to use parentheses + with it. <function>echo</function> (unlike some other language + constructs) does not behave like a function, so it cannot + always be used in the context of a function. Additionally, if you want to + pass more than one parameter to <function>echo</function>, the parameters + must not be enclosed within parentheses. </para> <para> <example> @@ -67,11 +70,13 @@ line with just a semicolon. no extra whitespace! END; -// Because echo is not a function, following code is invalid. +// Because echo does not behave like a function, following code is invalid. ($some_var) ? echo 'true' : echo 'false'; // However, the following examples will work: -($some_var) ? print('true'): print('false'); // print is a function +($some_var) ? print 'true' : print 'false'; // print is also a construct, but + // it behaves like a function, so + // it may be used in this context. echo $some_var ? 'true': 'false'; // changing the statement around ?> ]]>