ParagonIE_Sodium_Core_Curve25519_Fe

12class ParagonIE_Sodium_Core_Curve25519_Fe implements ArrayAccess13{14    /**15     * @var array<int, int>16     */17    protected $container = array();18 19    /**20     * @var int21     */22    protected $size = 10;23 24    /**25     * @internal You should not use this directly from another application26     *27     * @param array<int, int> $array28     * @param bool $save_indexes29     * @return self30     */31    public static function fromArray($array, $save_indexes = null)32    {33        $count = count($array);34        if ($save_indexes) {35            $keys = array_keys($array);36        } else {37            $keys = range(0, $count - 1);38        }39        $array = array_values($array);40        /** @var array<int, int> $keys */41 42        $obj = new ParagonIE_Sodium_Core_Curve25519_Fe();43        if ($save_indexes) {44            for ($i = 0; $i < $count; ++$i) {45                $obj->offsetSet($keys[$i], $array[$i]);46            }47        } else {48            for ($i = 0; $i < $count; ++$i) {49                $obj->offsetSet($i, $array[$i]);50            }51        }52        return $obj;53    }54 55    /**56     * @internal You should not use this directly from another application57     *58     * @param int|null $offset59     * @param int $value60     * @return void61     * @psalm-suppress MixedArrayOffset62     */63    #[ReturnTypeWillChange]64    public function offsetSet($offset, $value)65    {66        if (!is_int($value)) {67            throw new InvalidArgumentException('Expected an integer');68        }69        if (is_null($offset)) {70            $this->container[] = $value;71        } else {72            $this->container[$offset] = $value;73        }74    }75 76    /**77     * @internal You should not use this directly from another application78     *79     * @param int $offset80     * @return bool81     * @psalm-suppress MixedArrayOffset82     */83    #[ReturnTypeWillChange]84    public function offsetExists($offset)85    {86        return isset($this->container[$offset]);87    }88 89    /**90     * @internal You should not use this directly from another application91     *