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Mitul Dabhi
answered Nov 30 '-1 00:00
PDOStatement::fetchAll ([ int $fetch_style [, mixed $fetch_argument [, array $ctor_args = array() ]]] )
here fetch_style and fetch_argument control the output of fetchAll function
fetch_style ::
value can be PDO::FETCH_COLUMN , PDO::FETCH_CLASS , PDO::FETCH_FUNC
fetch_argument ::
this argument will be passed as per fetch_style ,
suppose fetch_style is PDO::FETCH_COLUMN than fetch_argument should be integer , howmuch column you want to fetch
and if fetch_style is PDO::FETCH_CLASS than fetch_argument should be class name ,
and if fetch_style is PDO::FETCH_FUNC than fetch_argument should be function name.