ParagonIE_Sodium_Core32_Curve25519_Fe

12class ParagonIE_Sodium_Core32_Curve25519_Fe implements ArrayAccess13{14    /**15     * @var array<int, ParagonIE_Sodium_Core32_Int32>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, ParagonIE_Sodium_Core32_Int32> $array28     * @param bool $save_indexes29     * @return self30     * @throws SodiumException31     * @throws TypeError32     */33    public static function fromArray($array, $save_indexes = null)34    {35        $count = count($array);36        if ($save_indexes) {37            $keys = array_keys($array);38        } else {39            $keys = range(0, $count - 1);40        }41        $array = array_values($array);42 43        $obj = new ParagonIE_Sodium_Core32_Curve25519_Fe();44        if ($save_indexes) {45            for ($i = 0; $i < $count; ++$i) {46                $array[$i]->overflow = 0;47                $obj->offsetSet($keys[$i], $array[$i]);48            }49        } else {50            for ($i = 0; $i < $count; ++$i) {51                if (!($array[$i] instanceof ParagonIE_Sodium_Core32_Int32)) {52                    throw new TypeError('Expected ParagonIE_Sodium_Core32_Int32');53                }54                $array[$i]->overflow = 0;55                $obj->offsetSet($i, $array[$i]);56            }57        }58        return $obj;59    }60 61    /**62     * @internal You should not use this directly from another application63     *64     * @param array<int, int> $array65     * @param bool $save_indexes66     * @return self67     * @throws SodiumException68     * @throws TypeError69     */70    public static function fromIntArray($array, $save_indexes = null)71    {72        $count = count($array);73        if ($save_indexes) {74            $keys = array_keys($array);75        } else {76            $keys = range(0, $count - 1);77        }78        $array = array_values($array);79        $set = array();80        /** @var int $i */81        /** @var int $v */82        foreach ($array as $i => $v) {83            $set[$i] = ParagonIE_Sodium_Core32_Int32::fromInt($v);84        }85 86        $obj = new ParagonIE_Sodium_Core32_Curve25519_Fe();87        if ($save_indexes) {88            for ($i = 0; $i < $count; ++$i) {89                $set[$i]->overflow = 0;90                $obj->offsetSet($keys[$i], $set[$i]);91            }