DbaArray Class Reference

Inheritance diagram for DbaArray:

Collaboration diagram for DbaArray:

Public Member Functions
	__construct ($file, $handler)
	__destruct ()
	current ()
	key ()
	next ()
	offsetExists ($name)
	offsetGet ($name)
	offsetSet ($name, $value)
	offsetUnset ($name)
	rewind ()
	valid ()

Protected Attributes
	$db = NULL

Detailed Description

This implements a DBA Array.

Author

Marcus Boerger

Version

1.0

Definition at line 19 of file dbaarray.inc.

Constructor & Destructor Documentation

DbaArray::__construct	(		$file,
			$handler
	)

Open database $file with $handler in read only mode.

Parameters

file	Database file to open.
handler	Handler to use for database access.

Definition at line 28 of file dbaarray.inc.

    {
        $this->db = dba_popen($file, "c", $handler);
        if (!$this->db) {
            throw new exception("Databse could not be opened");
        }
    }

DbaArray::__destruct

(

)

Close database.

Definition at line 39 of file dbaarray.inc.

    {
        parent::__destruct();
    }

Member Function Documentation

DbaReader::current ( )

inherited

Returns

Current data.

Implements Iterator.

Definition at line 73 of file dbareader.inc.

References DbaReader\$val.

                       {
        return $this->val;
    }

DbaReader::key ( )

inherited

Returns

Current key.

Implements Iterator.

Definition at line 91 of file dbareader.inc.

References DbaReader\$key.

Referenced by DbaReader\fetch_data(), DbaReader\next(), DbaReader\rewind(), and DbaReader\valid().

                   {
        return $this->key;
    }

DbaReader::next ( )

inherited

Move to next element.

Returns

void

Implements Iterator.

Definition at line 56 of file dbareader.inc.

References DbaReader\fetch_data(), and DbaReader\key().

                    {
        $this->key = dba_nextkey($this->db);
        $this->fetch_data();
    }

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DbaArray::offsetExists

(

$name

)

Returns

whether key $name exists.

Implements ArrayAccess.

Definition at line 79 of file dbaarray.inc.

    {
        return dba_exists($name, $this->db);
    }

DbaArray::offsetGet

(

$name

)

Read an entry.

Parameters

$name

key to read from

Returns

value associated with $name

Implements ArrayAccess.

Definition at line 50 of file dbaarray.inc.

    {
        $data = dba_fetch($name, $this->db); 
        if($data) {
            //return unserialize($data);
            return $data;
        }
        else 
        {
            return NULL;
        }
    }

DbaArray::offsetSet	(		$name,
			$value
	)

Set an entry.

Parameters

$name	key to write to
$value	value to write

Implements ArrayAccess.

Definition at line 69 of file dbaarray.inc.

    {
        //dba_replace($name, serialize($value), $this->db);
        dba_replace($name, $value, $this->db);
        return $value;
    }

DbaArray::offsetUnset

(

$name

)

Delete a key/value pair.

Parameters

$name

key to delete.

Implements ArrayAccess.

Definition at line 89 of file dbaarray.inc.

    {
        return dba_delete($name, $this->db);
    }

DbaReader::rewind ( )

inherited

Rewind to first element.

Implements Iterator.

Definition at line 46 of file dbareader.inc.

References DbaReader\fetch_data(), and DbaReader\key().

                      {
        $this->key = dba_firstkey($this->db);
        $this->fetch_data();
    }

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DbaReader::valid ( )

inherited

Returns

Whether more elements are available.

Implements Iterator.

Definition at line 80 of file dbareader.inc.

References DbaReader\key().

                     {
        if ($this->db && $this->key !== false) {
            return true;
        } else {
            return false;
        }
    }

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Member Data Documentation

DbaReader::$db = NULL

protectedinherited

Definition at line 20 of file dbareader.inc.

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The documentation for this class was generated from the following file:

• dbaarray.inc