public function setCreatedAt($value)
    {
        if (! is_null($column = $this->getCreatedAtColumn())) {
            $this->setAttribute($column, $value);
        }
    }
public function setCreatedAt($value)
    {
        if (! is_null($column = $this->getCreatedAtColumn())) {
            $this->setAttribute($column, $value);
        }
    }
public function setCreatedAt ( $ value ) { if ( ! is_null ( $ column = $ this -> getCreatedAtColumn ( ) ) ) { $ this -> setAttribute ( $ column , $ value ) ; } }
Set the value of the "created at" attribute.

@param  mixed  $value
@return void
Set the value of the created at attribute .