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# MDB::isError()

MDB::isError() -- checks for an error

## Synopsis

    require_once 'MDB.php';

``boolean MDB::isError` (mixed $value)`

## Description

Checks whether a result code from a MDB method is a MDB_Error object or not.

## Parameter

mixed `$value`

  Variable to check

## Return value

`boolean` - `TRUE`, if `$value` is a MDB_Error object

## Note

This function should be called statically.

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