philip Sat Nov 16 05:50:29 2002 EDT
Modified files:
/phpdoc/en/reference/var/functions isset.xml
Log:
Use defined() for constants. See also @ and defined().
Index: phpdoc/en/reference/var/functions/isset.xml
diff -u phpdoc/en/reference/var/functions/isset.xml:1.6
phpdoc/en/reference/var/functions/isset.xml:1.7
--- phpdoc/en/reference/var/functions/isset.xml:1.6 Sat Nov 16 02:54:03 2002
+++ phpdoc/en/reference/var/functions/isset.xml Sat Nov 16 05:50:29 2002
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.6 $ -->
+<!-- $Revision: 1.7 $ -->
<!-- splitted from ./en/functions/var.xml, last change in rev 1.2 -->
<refentry id="function.isset">
<refnamediv>
@@ -33,7 +33,9 @@
<title>Warning</title>
<para>
<function>isset</function> only works with variables as passing anything
- else will result in a parse error.
+ else will result in a parse error. For checking if
+ <link linkend="language.constants">constants</link> are set use the
+ <function>defined</function> function.
</para>
</note>
<para>
@@ -95,8 +97,10 @@
</para>
<simpara>
See also <function>empty</function>,
- <function>unset</function>, and
- <function>array_key_exists</function>.
+ <function>unset</function>, <function>defined</function>,
+ <function>array_key_exists</function> and the error control
+ <link linkend="language.operators.errorcontrol">@</link>
+ operator.
</simpara>
</refsect1>
</refentry>
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