Generates a user-level error/warning/notice message
Syntax
trigger_error ( string $error_msg [, int $error_type = E_USER_NOTICE ] ) : bool
Parameters
error_msgThe designated error message for this error. It's limited to 1024 bytes in length. Any additional characters beyond 1024 bytes will be truncated.
error_typeThe designated error type for this error. It only works with the E_USER family of constants, and will default to E_USER_NOTICE.
Return
This function returns FALSE if wrong error_type is specified, TRUE otherwise.
Examples
1
<?
function myErrorHandler($errno, $errstr, $errfile, $errline) {
switch ($errno) {
case E_USER_ERROR:
echo "ERROR [$errno] $errstr<br>\n";
exit(1);
break;
}
return true;
}
function divide($numerator, $denominator) {
if ($denominator == 0) {
trigger_error("Cannot divide by zero", E_USER_ERROR);
}
return $numerator / $denominator;
}
set_error_handler("myErrorHandler");
echo divide(10, 0);
?>ERROR [256] Cannot divide by zero<br>
