php自定义错误处理用法实例

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error_reporting(E_ALL);

function ErrHandler($errorno, $errorstr, $errorfile, $errorline)

{

$display = true;

$notify = false;

$halt_script = false;

$error_msg = "
The $errorno error is occurring at $errorline in

$errorfile
";

switch($errorno)

{

case E_USER_NOTICE:

case E_NOTICE:

$halt_script = false;

$notify = true;

$label = "Notice";

break;

case E_USER_WARNING:

case E_WARNING:

$halt_script = false;

$notify = true;

$label = "Warning";

break;

case E_USER_ERROR:

case E_ERROR:

$label = "Fatal Error";

$notify=true;

$halt_script = false;

break;

case E_PARSE:

$label = "Parse Error";

$notify=true;

$halt_script = true;

break;

default:

$label = "Unknown Error";

break;

}

if($notify)

{

$msg = $label . $error_msg;

echo $msg;

}

if($halt_script) exit -1;

}

$error_handler = set_error_handler("ErrHandler");

echo "

Using Custom Error Handler

trigger_error("
Error caused by E_USER_NOTICE", E_USER_NOTICE);

trigger_error("
Error caused by E_USER_WARNING", E_USER_WARNING);

trigger_error("
Error caused by E_USER_ERROR", E_USER_ERROR);

trigger_error("
Error caused by E_PARSE", E_PARSE);

?>