There are so many good foreign countries. Now I am posting an ACCESS class!

Introduction: This is a lot of good foreign stuff. Now I am posting an ACCESS class! The details page of php, related knowledge, skills, experience, and some php source code.

Class = 'pingjiaf' frameborder = '0' src = 'HTTP: // biancheng.dnbc?info/pingjia.php? Id = 325327 'rolling = 'no'>

This is an ACCESS class.

<?
Class AccessDBM
{
Var $ COUNT = 0;
Var $ VALUES = array ();
Var $ FILE = "";
Var $ ERROR = "";
Var $ EXISTS = false;
Var $ STATIC = false;
Var $ EXACT = false;
Var $ DBM;

// Older version of PHP can't do the 'new ClassName (args )'
// Use initilize () if this is the case.

//************************************** *****************

Function AccessDBM ($ dbmFile, $ static = 0)
{
Global $ php_errormsg;

If (! Empty ($ dbmFile ))
{
If (file_exists ($ dbmFile ))
{
$ This-> EXISTS = true;
}
If ($ static! = 0)
{
$ This-> STATIC = true;
}
$ This-> FILE = $ dbmFile;
}
Return;
}

//************************************** *****************

// Identical to AccessDBM
Function initialize ($ dbmFile, $ static = 0)
{
Global $ php_errormsg;

If (! Empty ($ dbmFile ))
{
If (file_exists ($ dbmFile ))
{
$ This-> EXISTS = true;
}
If ($ static! = 0)
{
$ This-> STATIC = true;
}
$ This-> FILE = $ dbmFile;
}
Return;
}

//************************************** *****************

Function add_entry ($ key, $ val)
{
$ Results = 0;
$ Dbm = $ this-> open_dbm ();
If (! $ Dbm) {return false ;}

If (! (Dbmreplace ($ dbm, $ key, $ val )))
{
If (! (Dbmexists ($ dbm, $ key )))
{
$ This-> ERROR = "Fatal error: cocould not replace $ key with $ val ";
$ This-> close_dbm ($ dbm );
Return false;
}
}
$ This-> close_dbm ($ dbm );
Return true;
}

//************************************** *****************

Function remove_entry ($ Key)
{
Global $ php_errormsg;
$ Removed = false;

$ Dbm = $ this-> open_dbm ();
If (! $ Dbm) {return false ;}

If (dbmexists ($ dbm, $ Key ))
{
If (! Dbmdelete ($ dbm, $ Key ))
{
If (dbmexists ($ dbm, $ Key ))
{
$ This-> ERROR = "Unable to remove [$ Key]: [$ php_errormsg]";
$ This-> close_dbm ($ dbm );
Return false;
}
}
Else
{
$ This-> close_dbm ($ dbm );
$ Removed = true;
}
}
Else
{
$ This-> ERROR = "Key [$ Key] does not exist ";
$ This-> close_dbm ($ dbm );
Return false;
}
Return true;
}

//************************************** *****************

Function get_value ($ Key)
{
$ Val = "";
$ ReadOnly = true;

$ Dbm = $ this-> open_dbm ($ readOnly );

If (! $ Dbm) {return false ;}

If (dbmexists ($ dbm, $ Key ))
{
$ Val = dbmfetch ($ dbm, $ Key );
}
$ This-> close_dbm ($ dbm );
Return $ val;
}

//************************************** *****************

Function open_dbm ($ readOnly = false)
{
Global $ php_errormsg;

If ($ this-> STATIC)
{
If (! (Empty ($ this-> DBM )))
{
$ Dbm = $ this-> DBM;
Return ($ dbm );
}
}

$ FileName = $ this-> FILE;

If (! $ This-> EXISTS)
{
$ Dbm = @ dbmopen ($ fileName, "n ");
}
Else
{
If (! $ ReadOnly)
{
// We want the warning here if we can't be
// A writer
$ Dbm = dbmopen ($ fileName, "w ");
}
Else
{
$ Dbm = @ dbmopen ($ fileName, "r ");
}
}
If ((! $ Dbm) or (empty ($ dbm )))
{
$ This-> EXISTS = false;
$ This-> STATIC = false;
$ This-> ERROR = "Unable to open [$ fileName] [$ php_errormsg]";
Return false;
}
$ This-> EXISTS = true;
If ($ this-> STATIC)
{
$ This-> DBM = $ dbm;
}

Return ($ dbm );

}

//************************************** *****************

Function find_key ($ search)
{
$ Val = "";

$ Dbm = $ this-> open_dbm (1 );
If (! $ Dbm) {return false ;}
If (dbmexists ($ dbm, $ search ))
{
// Wow an exact match
$ Val = dbmfetch ($ dbm, $ search );
$ This-> close_dbm ($ dbm );
$ This-> EXACT = true;
Return $ val;
}
Else
{
$ This-> EXACT = false;
$ Key = dbmfirstkey ($ dbm );
While ($ key)
{
// Strip the first whitespace char and
// Everything after it.
$ Test = ereg_replace (". *", "", $ key );
If (eregi ("^ $ test", $ search ))
{
$ Val = dbmfetch ($ dbm, $ key );
$ This-> close_dbm ($ dbm );
Error_log ("Test [$ test] matched [$ search]", 0 );
Return $ val;
}
$ Key = dbmnextkey ($ dbm, $ key );
}
}
// Didn't find it
$ This-> close_dbm ($ dbm );
Return false;
}

//************************************** *****************

// Returns the KEY
Function find_val ($ search)
{
$ This-> EXACT = false;

$ Dbase = $ this-> get_all ();
If (empty ($ Dbase ))
{
Error_log ("ERROR Dbase is empty $ DB-> ERROR", 0 );
Return false;
}
While (list ($ key, $ val) = each ($ Dbase ))
{
If ($ search = $ val)
{
$ This-> EXACT = true;
Return $ key;
}
Else
{
// Strip the first whitespace char and
// Everything after it.

$ Test = ereg_replace (". *", "", $ val );

If (eregi ("^ $ test", $ search ))
{
$ This-> EXACT = false;
Return $ key;
}
}
}
// Didn't find it
Return false;
}

//************************************** *****************

Function get_all ()
{
$ Values = array ();
$ Count = 0;
$ ReadOnly = true;
$ Dbm = $ this-> open_dbm ($ readOnly );
If (! $ Dbm) {return false ;}

$ Key = dbmfirstkey ($ dbm );

While ($ key)
{
$ Val = dbmfetch ($ dbm, $ key );
$ Values [$ key] = $ val;
$ Count ++;
$ Key = dbmnextkey ($ dbm, $ key );
}
$ This-> COUNT = $ count;
$ This-> VALUES = $ values;
$ This-> close_dbm ($ dbm );
Return $ values;
}

//************************************** *****************

Function close_dbm ($ dbm)
{
$ Results = false;

If (! $ This-> STATIC)
{
$ Results = dbmclose ($ dbm );
}
Return $ results;
}

//************************************** *****************

Function static_close ()
{
$ Results = false;

If (! $ This-> DBM)
{
$ This-> ERROR = "No static DBM to close ";
Return false;
}
$ Dbm = $ this-> DBM;
$ Results = dbmclose ($ dbm );
Unset ($ this-> DBM );
Return $ results;
}

//************************************** *****************

}
?>

This connection!
Include ("class. AccessDBM. php3 ");
$ Static = true;
$ Dbase = new AccessDBM ("/path/to/file. dbm", $ static );

Register_shutdown_function ($ dbase-> static_close ());

If (! $ Dbase-> add_entry ("cdi", "cdi@thewebmasters.net ))
{
Echo "Error adding entry: $ dbase-> ERROR \ n ";
}
$ Values = $ dbase-> get_all ()
While (list ($ key, $ val) = each ($ Values ))
{
Echo "Key: $ key Val: $ val \ n ";
}
Exit;

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