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<?php

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if (class_exists('ParagonIE_Sodium_Core_Curve25519_Fe', false)) {

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return;

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}

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/**

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* Class ParagonIE_Sodium_Core_Curve25519_Fe

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* This represents a Field Element

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class ParagonIE_Sodium_Core_Curve25519_Fe implements ArrayAccess

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{

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/**

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* @var array<int, int>

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protected $container = array();

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/**

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* @var int

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protected $size = 10;

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/**

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* @internal You should not use this directly from another application

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* @param array<int, int> $array

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* @param bool $save_indexes

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* @return self

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public static function fromArray($array, $save_indexes = null)

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{

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$count = count($array);

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if ($save_indexes) {

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$keys = array_keys($array);

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} else {

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$keys = range(0, $count - 1);

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}

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$array = array_values($array);

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/** @var array<int, int> $keys */

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$obj = new ParagonIE_Sodium_Core_Curve25519_Fe();

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if ($save_indexes) {

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for ($i = 0; $i < $count; ++$i) {

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$obj->offsetSet($keys[$i], $array[$i]);

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}

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} else {

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for ($i = 0; $i < $count; ++$i) {

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$obj->offsetSet($i, $array[$i]);

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}

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}

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return $obj;

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}

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/**

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* @internal You should not use this directly from another application

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* @param int|null $offset

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* @param int $value

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* @return void

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* @psalm-suppress MixedArrayOffset

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#[ReturnTypeWillChange]

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public function offsetSet($offset, $value)

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{

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if (!is_int($value)) {

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throw new InvalidArgumentException('Expected an integer');

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}

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if (is_null($offset)) {

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$this->container[] = $value;

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} else {

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$this->container[$offset] = $value;

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}

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}

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/**

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* @internal You should not use this directly from another application

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* @param int $offset

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* @return bool

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* @psalm-suppress MixedArrayOffset

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#[ReturnTypeWillChange]

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public function offsetExists($offset)

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{

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return isset($this->container[$offset]);

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}

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/**

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* @internal You should not use this directly from another application

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* @param int $offset

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* @return void

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* @psalm-suppress MixedArrayOffset

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#[ReturnTypeWillChange]

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public function offsetUnset($offset)

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{

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unset($this->container[$offset]);

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}

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/**

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* @internal You should not use this directly from another application

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* @param int $offset

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* @return int

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* @psalm-suppress MixedArrayOffset

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#[ReturnTypeWillChange]

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public function offsetGet($offset)

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{

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if (!isset($this->container[$offset])) {

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$this->container[$offset] = 0;

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}

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return (int) ($this->container[$offset]);

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}

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/**

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* @internal You should not use this directly from another application

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* @return array

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public function __debugInfo()

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{

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return array(implode(', ', $this->container));

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}

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}

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