philip Sat Jan 18 17:13:35 2003 EDT
Modified files:
/phpdoc/en/language operators.xml
Log:
Document that if (!$a = foo()) works despite the operator precedence. This
closes bug #17180
Index: phpdoc/en/language/operators.xml
diff -u phpdoc/en/language/operators.xml:1.40 phpdoc/en/language/operators.xml:1.41
--- phpdoc/en/language/operators.xml:1.40 Wed Oct 9 04:30:45 2002
+++ phpdoc/en/language/operators.xml Sat Jan 18 17:13:35 2003
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.40 $ -->
+<!-- $Revision: 1.41 $ -->
<chapter id="language.operators">
<title>Operators</title>
<simpara>
@@ -116,6 +116,15 @@
</tgroup>
</table>
</para>
+ <note>
+ <para>
+ Although <literal>!</literal> has a higher precedence than
+ <literal>=</literal>, PHP will still allow expressions
+ similar to the following: <literal>if (!$a = foo())</literal>,
+ in which case the output from <literal>foo()</literal> is
+ put into <variable>$a</variable>.
+ </para>
+ </note>
</sect1>
<sect1 id="language.operators.arithmetic">
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