vrana Mon Jul 26 09:24:22 2004 EDT
Modified files:
/phpdoc/en/language operators.xml
Log:
Associativity (bug #10351)
http://cvs.php.net/diff.php/phpdoc/en/language/operators.xml?r1=1.72&r2=1.73&ty=u
Index: phpdoc/en/language/operators.xml
diff -u phpdoc/en/language/operators.xml:1.72 phpdoc/en/language/operators.xml:1.73
--- phpdoc/en/language/operators.xml:1.72 Wed Jul 7 04:35:54 2004
+++ phpdoc/en/language/operators.xml Mon Jul 26 09:24:22 2004
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.72 $ -->
+<!-- $Revision: 1.73 $ -->
<chapter id="language.operators">
<title>Operators</title>
<simpara>
@@ -137,6 +137,26 @@
</tbody>
</tgroup>
</table>
+ </para>
+ <para>
+ Left associativity means that the expression is evaluated from left to right,
+ right associativity means the opposite.
+ <example>
+ <title>Associativity</title>
+ <programlisting role="php">
+<![CDATA[
+<?php
+$a = 3 * 3 % 5; // (3 * 3) % 5 = 4
+$a = true ? 0 : true ? 1 : 2; // (true ? 0 : true) ? 1 : 2 = 2
+
+$a = 1;
+$b = 2;
+$a = $b += 3; // $a = ($b += 3) -> $a = 5, $b = 5
+?>
+]]>
+ </programlisting>
+ </example>
+ Use parentheses to increase readability of the code.
</para>
<note>
<para>
