protected function _toBoolean($value) {
		if (is_bool($value)) {
			return $value;
		}
		if (is_int($value) || is_float($value)) {
			return ($value !== 0);
		}
		if (is_string($value)) {
			return ($value === 't' || $value === 'T' || $value === 'true');
		}
		return (boolean) $value;
	}
protected function _toBoolean($value) {
		if (is_bool($value)) {
			return $value;
		}
		if (is_int($value) || is_float($value)) {
			return ($value !== 0);
		}
		if (is_string($value)) {
			return ($value === 't' || $value === 'T' || $value === 'true');
		}
		return (boolean) $value;
	}
protected function _toBoolean ( $ value ) { if ( is_bool ( $ value ) ) { return $ value ; } if ( is_int ( $ value ) || is_float ( $ value ) ) { return ( $ value !== 0 ) ; } if ( is_string ( $ value ) ) { return ( $ value === 't' || $ value === 'T' || $ value === 'true' ) ; } return ( boolean ) $ value ; }
Casts a value which is being written or compared to a boolean-type database column.

@param mixed $value A value of unknown type to be cast to boolean. Numeric values not equal
to zero evaluate to `true`, otherwise `false`. String values equal to `'true'`,
`'t'` or `'T'` evaluate to `true`, all others to `false`. In all other cases,
uses PHP's default casting.
@return boolean Returns a boolean representation of `$value`, based on the comparison rules
specified above. Database adapters may override this method if boolean type coercion
is required and falls outside the rules defined.
Casts a value which is being written or compared to a boolean - type database column .