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Added example

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@183591 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
David Mytton 2005-04-04 18:00:21 +00:00
parent 086ab8e5ef
commit b18c565926
1 changed files with 63 additions and 1 deletions
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64
reference/errorfunc/functions/restore-error-handler.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.5 $ -->
<!-- $Revision: 1.6 $ -->
<!-- splitted from ./en/functions/errorfunc.xml, last change in rev 1.1 -->
<refentry id="function.restore-error-handler">
<refnamediv>
@ -26,6 +26,68 @@
<function>restore_exception_handler</function>,
<function>trigger_error</function>.
</para>
<para>
The example below shows the handling of internal exceptions by
triggering errors and handling them with a user defined function. It then
restores the original PHP error handling:
<example>
<title>
Error handling with <function>set_error_handler</function>,
<function>trigger_error</function> and
<function>restore_error_handler</function>
</title>
<programlisting role="php">
<![CDATA[
<?php
// redefine the user error constants - PHP 4 only
define("FATAL", E_USER_ERROR);
define("ERROR", E_USER_WARNING);
define("WARNING", E_USER_NOTICE);
// set the error reporting level for this script
error_reporting(FATAL | ERROR | WARNING);
// error handler function
function myErrorHandler($errno, $errstr, $errfile, $errline)
{
switch ($errno) {
case FATAL:
echo "<b>My FATAL</b> [$errno] $errstr<br />\n";
echo " Fatal error in line $errline of file $errfile";
echo ", PHP " . PHP_VERSION . " (" . PHP_OS . ")<br />\n";
echo "Aborting...<br />\n";
exit(1);
break;
case ERROR:
echo "<b>My ERROR</b> [$errno] $errstr<br />\n";
break;
case WARNING:
echo "<b>My WARNING</b> [$errno] $errstr<br />\n";
break;
default:
echo "My unkown error type: [$errno] $errstr<br />\n";
break;
}
}
set_error_handler("myErrorHandler");
trigger_error('Test error', ERROR);
restore_error_handler(); // Will restore standard PHP handler
trigger_error('Test error', ERROR);
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
My ERROR [512] Test error
Warning: Test error in C:\Program Files\Apache Group\Apache2\htdocs\readdir.php on line 45
]]>
</screen>
</example>
</para>
</refsect1>
</refentry>