betz Wed Oct 9 04:34:24 2002 EDT
Modified files:
/phpdoc/en/reference/errorfunc ini.xml
Log:
user notes intehrated,
$php_errmsg is not global, some links
Index: phpdoc/en/reference/errorfunc/ini.xml
diff -u phpdoc/en/reference/errorfunc/ini.xml:1.2
phpdoc/en/reference/errorfunc/ini.xml:1.3
--- phpdoc/en/reference/errorfunc/ini.xml:1.2 Tue Oct 8 06:44:00 2002
+++ phpdoc/en/reference/errorfunc/ini.xml Wed Oct 9 04:34:24 2002
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
<section id="errorfunc.configuration">
&reftitle.runtime;
&extension.runtime;
@@ -17,7 +17,7 @@
<tbody>
<row>
<entry>error_reporting</entry>
- <entry>NULL</entry>
+ <entry>E_ALL & ~E_NOTICE</entry>
<entry>PHP_INI_ALL</entry>
</row>
<row>
@@ -120,14 +120,23 @@
<link linkend="ini.display-errors">display_errors</link> directive.
</para>
<para>
- The default value does not show <constant>E_NOTICE</constant> level
- errors. You may want to show them during development.
+ In PHP 4 the default value does not show <constant>E_NOTICE</constant>
+ level errors. You may want to show them during development.
</para>
+ <note>
+ <para>Enabling <constant>E_NOTICE</constant> during development has
+ some benefits. For debugging purposes: NOTICE messages will warn you
+ about possibls bugs in your code. For example, use of unassigned values
+ are warned. It is extremely useful to find typos and
+ to save time for debugging. NOTICE messages will warn you about bad style.
+ For example, $arr[item] is better to be written as $arr['item'] since
+ PHP tries to treat "item" as constant. If it is not a constant, PHP assumes
+ it is a string index for the array.
+ </para>
+ </note>
<para>
- In PHP 4, the default setting is
- <literal>E_ALL & ~E_NOTICE</literal>, meaning to display all errors
- and warnings which are not E_NOTICE-level. In PHP 3, the default
- setting is <literal>(E_ERROR | E_WARNING | E_PARSE)</literal>,
+ In PHP 3, the default setting is
+ <literal>(E_ERROR | E_WARNING | E_PARSE)</literal>,
meaning the same thing. Note, however, that since constants are not
supported in PHP 3's <filename>php3.ini</filename>, the error_reporting
setting there must be numeric; hence, it is <literal>7</literal>.
@@ -249,7 +258,8 @@
<listitem>
<para>
If enabled, the last error message will always be present in the
- global variable <varname>$php_errormsg</varname>.</para>
+ variable <link linkend="reserved.variables.phperrormsg">$php_errormsg</link>.
+ </para>
</listitem>
</varlistentry>
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