Clarification of comma in for

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@246632 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Jakub Vrana 2007-11-21 16:59:33 +00:00
parent 2536c56c28
commit 44759c7e0a

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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.156 $ -->
<!-- $Revision: 1.157 $ -->
<chapter xml:id="language.control-structures" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<title>Control Structures</title>
@ -416,7 +416,8 @@ for (expr1; expr2; expr3)
<simpara>
Each of the expressions can be empty or contain multiple
expressions separated by commas. In <varname>expr2</varname>, all
expressions are evaluated but the result is taken from the last part.
expressions separated by a comma are evaluated but the result is taken
from the last part.
<varname>expr2</varname> being empty means the loop should
be run indefinitely (PHP implicitly considers it as
&true;, like C). This may not be as useless as