Php custom error handling usage example

This article mainly introduces php custom error handling usage, and analyzes php's error handling skills through custom functions, for more information about php custom error handling, see the following example. Share it with you for your reference. The details are as follows:

<?phperror_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);?>

I hope this article will help you with php programming.