public static function utf8ToCodepoint( $char ) {
		# Find the length
		$z = ord( $char[0] );
		if ( $z & 0x80 ) {
			$length = 0;
			while ( $z & 0x80 ) {
				$length++;
				$z <<= 1;
			}
		} else {
			$length = 1;
		}

		if ( $length != strlen( $char ) ) {
			return false;
		}

		if ( $length == 1 ) {
			return ord( $char );
		}

		# Mask off the length-determining bits and shift back to the original location
		$z &= 0xff;
		$z >>= $length;

		# Add in the free bits from subsequent bytes
		for ( $i = 1; $i < $length; $i++ ) {
			$z <<= 6;
			$z |= ord( $char[$i] ) & 0x3f;
		}

		return $z;
	}