   #PHP Manual Database (dbm-style) abstraction layer functions
   dba_delete dba_fetch

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                                  dba_exists

   (PHP 3>= 3.0.8, PHP 4 )
   dba_exists -- Check whether key exists

Description

   bool dba_exists ( string key, resource handle)

   dba_exists() checks whether the specified key exists in the database
   specified by handle.

   Key is the key the check is performed for.

   Handle is a database handle returned by dba_open().

   dba_exists() returns TRUE or FALSE, if the key is found or not found,
   respectively.

   See also: dba_fetch(), dba_delete(), dba_insert(), and dba_replace().
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