<?php
declare(strict_types=1);
if (class_exists('ParagonIE_Sodium_Core_Curve25519_Fe', false)) {
return;
}
/**
* Class ParagonIE_Sodium_Core_Curve25519_Fe
*
* This represents a Field Element
*
* @psalm-suppress MissingTemplateParam
*/
class ParagonIE_Sodium_Core_Curve25519_Fe implements ArrayAccess
{
/**
* @var array<int, int>
*/
protected array $container = [];
/**
* @var int
*/
protected int $size = 10;
/**
* @internal You should not use this directly from another application
*
* @param array<int, int> $array
* @param bool $save_indexes
* @return self
*/
public static function fromArray(array $array, bool $save_indexes = false): self
{
$count = count($array);
if ($save_indexes) {
$keys = array_keys($array);
} else {
$keys = range(0, $count - 1);
}
$array = array_values($array);
/** @var array<int, int> $keys */
$obj = new ParagonIE_Sodium_Core_Curve25519_Fe();
if ($save_indexes) {
for ($i = 0; $i < $count; ++$i) {
$obj->offsetSet($keys[$i], $array[$i]);
}
} else {
for ($i = 0; $i < $count; ++$i) {
$obj->offsetSet($i, $array[$i]);
}
}
return $obj;
}
/**
* @internal You should not use this directly from another application
*
* @param int|null $offset
* @param int $value
* @return void
*/
#[ReturnTypeWillChange]
public function offsetSet($offset, $value): void
{
if (is_null($offset)) {
$this->container[] = $value;
} else {
$this->container[$offset] = $value;
}
}
/**
* @internal You should not use this directly from another application
*
* @param int $offset
* @return bool
*/
#[ReturnTypeWillChange]
public function offsetExists($offset): bool
{
return isset($this->container[$offset]);
}
/**
* @internal You should not use this directly from another application
*
* @param int $offset
* @return void
*/
#[ReturnTypeWillChange]
public function offsetUnset($offset): void
{
unset($this->container[$offset]);
}
/**
* @internal You should not use this directly from another application
*
* @param int $offset
* @return int
* @psalm-suppress ImplementedReturnTypeMismatch
*/
#[ReturnTypeWillChange]
public function offsetGet($offset): int
{
if (!isset($this->container[$offset])) {
$this->container[$offset] = 0;
}
return $this->container[$offset];
}
/**
* @internal You should not use this directly from another application
*
* @return array
*/
public function __debugInfo()
{
return array(implode(', ', $this->container));
}
}
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