vrana Tue Nov 29 08:23:21 2005 EDT
Modified files:
/phpdoc/en/language functions.xml
Log:
Function names (bug #35454)
http://cvs.php.net/diff.php/phpdoc/en/language/functions.xml?r1=1.59&r2=1.60&ty=u
Index: phpdoc/en/language/functions.xml
diff -u phpdoc/en/language/functions.xml:1.59
phpdoc/en/language/functions.xml:1.60
--- phpdoc/en/language/functions.xml:1.59 Mon Jun 6 11:26:20 2005
+++ phpdoc/en/language/functions.xml Tue Nov 29 08:23:20 2005
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.59 $ -->
+<!-- $Revision: 1.60 $ -->
<chapter id="language.functions">
<title>Functions</title>
@@ -31,6 +31,13 @@
functions and <link linkend="keyword.class">class</link>
definitions.
</simpara>
+ <para>
+ Function names follow the same rules as other labels in PHP. A
+ valid function name starts with a letter or underscore, followed
+ by any number of letters, numbers, or underscores. As a regular
+ expression, it would be expressed thus:
+ <literal>[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*</literal>.
+ </para>
<simpara>
In PHP 3, functions must be defined before they are referenced. No
such requirement exists since PHP 4. <emphasis>Except</emphasis> when
