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<?php
/**
* This file is part of the Nette Framework (https://nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
declare (strict_types=1);
namespace RectorPrefix202308\Nette\Utils;
use RectorPrefix202308\JetBrains\PhpStorm\Language;
use RectorPrefix202308\Nette;
use function is_array, is_int, is_object, count;
/**
* Array tools library.
*/
class Arrays
{
use Nette\StaticClass;
/**
* Returns item from array. If it does not exist, it throws an exception, unless a default value is set.
* @template T
* @param array<T> $array
* @param array-key|array-key[] $key
* @param ?T $default
* @return ?T
* @throws Nette\InvalidArgumentException if item does not exist and default value is not provided
*/
public static function get(array $array, $key, $default = null)
{
foreach (is_array($key) ? $key : [$key] as $k) {
if (is_array($array) && \array_key_exists($k, $array)) {
$array = $array[$k];
} else {
if (\func_num_args() < 3) {
throw new Nette\InvalidArgumentException("Missing item '{$k}'.");
}
return $default;
}
}
return $array;
}
/**
* Returns reference to array item. If the index does not exist, new one is created with value null.
* @template T
* @param array<T> $array
* @param array-key|array-key[] $key
* @return ?T
* @throws Nette\InvalidArgumentException if traversed item is not an array
*/
public static function &getRef(array &$array, $key)
{
foreach (is_array($key) ? $key : [$key] as $k) {
if (is_array($array) || $array === null) {
$array =& $array[$k];
} else {
throw new Nette\InvalidArgumentException('Traversed item is not an array.');
}
}
return $array;
}
/**
* Recursively merges two fields. It is useful, for example, for merging tree structures. It behaves as
* the + operator for array, ie. it adds a key/value pair from the second array to the first one and retains
* the value from the first array in the case of a key collision.
* @template T1
* @template T2
* @param array<T1> $array1
* @param array<T2> $array2
* @return array<T1|T2>
*/
public static function mergeTree(array $array1, array $array2) : array
{
$res = $array1 + $array2;
foreach (\array_intersect_key($array1, $array2) as $k => $v) {
if (is_array($v) && is_array($array2[$k])) {
$res[$k] = self::mergeTree($v, $array2[$k]);
}
}
return $res;
}
/**
* Returns zero-indexed position of given array key. Returns null if key is not found.
* @param array-key $key
* @return int|null offset if it is found, null otherwise
*/
public static function getKeyOffset(array $array, $key) : ?int
{
return Helpers::falseToNull(\array_search(self::toKey($key), \array_keys($array), \true));
}
/**
* @deprecated use getKeyOffset()
*/
public static function searchKey(array $array, $key) : ?int
{
return self::getKeyOffset($array, $key);
}
/**
* Tests an array for the presence of value.
* @param mixed $value
*/
public static function contains(array $array, $value) : bool
{
return \in_array($value, $array, \true);
}
/**
* Returns the first item from the array or null if array is empty.
* @template T
* @param array<T> $array
* @return ?T
*/
public static function first(array $array)
{
return count($array) ? \reset($array) : null;
}
/**
* Returns the last item from the array or null if array is empty.
* @template T
* @param array<T> $array
* @return ?T
*/
public static function last(array $array)
{
return count($array) ? \end($array) : null;
}
/**
* Inserts the contents of the $inserted array into the $array immediately after the $key.
* If $key is null (or does not exist), it is inserted at the beginning.
* @param array-key|null $key
*/
public static function insertBefore(array &$array, $key, array $inserted) : void
{
$offset = $key === null ? 0 : (int) self::getKeyOffset($array, $key);
$array = \array_slice($array, 0, $offset, \true) + $inserted + \array_slice($array, $offset, count($array), \true);
}
/**
* Inserts the contents of the $inserted array into the $array before the $key.
* If $key is null (or does not exist), it is inserted at the end.
* @param array-key|null $key
*/
public static function insertAfter(array &$array, $key, array $inserted) : void
{
if ($key === null || ($offset = self::getKeyOffset($array, $key)) === null) {
$offset = count($array) - 1;
}
$array = \array_slice($array, 0, $offset + 1, \true) + $inserted + \array_slice($array, $offset + 1, count($array), \true);
}
/**
* Renames key in array.
* @param array-key $oldKey
* @param array-key $newKey
*/
public static function renameKey(array &$array, $oldKey, $newKey) : bool
{
$offset = self::getKeyOffset($array, $oldKey);
if ($offset === null) {
return \false;
}
$val =& $array[$oldKey];
$keys = \array_keys($array);
$keys[$offset] = $newKey;
$array = \array_combine($keys, $array);
$array[$newKey] =& $val;
return \true;
}
/**
* Returns only those array items, which matches a regular expression $pattern.
* @param string[] $array
* @return string[]
*/
public static function grep(
array $array,
/**
* @language
*/
string $pattern,
int $flags = 0
) : array
{
return Strings::pcre('preg_grep', [$pattern, $array, $flags]);
}
/**
* Transforms multidimensional array to flat array.
*/
public static function flatten(array $array, bool $preserveKeys = \false) : array
{
$res = [];
$cb = $preserveKeys ? function ($v, $k) use(&$res) : void {
$res[$k] = $v;
} : function ($v) use(&$res) : void {
$res[] = $v;
};
\array_walk_recursive($array, $cb);
return $res;
}
/**
* Checks if the array is indexed in ascending order of numeric keys from zero, a.k.a list.
* @param mixed $value
*/
public static function isList($value) : bool
{
$arrayIsListFunction = function (array $array) : bool {
if (\function_exists('array_is_list')) {
return \array_is_list($array);
}
if ($array === []) {
return \true;
}
$current_key = 0;
foreach ($array as $key => $noop) {
if ($key !== $current_key) {
return \false;
}
++$current_key;
}
return \true;
};
return is_array($value) && (\PHP_VERSION_ID < 80100 ? !$value || \array_keys($value) === \range(0, count($value) - 1) : $arrayIsListFunction($value));
}
/**
* Reformats table to associative tree. Path looks like 'field|field[]field->field=field'.
* @param string|string[] $path
* @return array|\stdClass
*/
public static function associate(array $array, $path)
{
$parts = is_array($path) ? $path : \preg_split('#(\\[\\]|->|=|\\|)#', $path, -1, \PREG_SPLIT_DELIM_CAPTURE | \PREG_SPLIT_NO_EMPTY);
if (!$parts || $parts === ['->'] || $parts[0] === '=' || $parts[0] === '|') {
throw new Nette\InvalidArgumentException("Invalid path '{$path}'.");
}
$res = $parts[0] === '->' ? new \stdClass() : [];
foreach ($array as $rowOrig) {
$row = (array) $rowOrig;
$x =& $res;
for ($i = 0; $i < count($parts); $i++) {
$part = $parts[$i];
if ($part === '[]') {
$x =& $x[];
} elseif ($part === '=') {
if (isset($parts[++$i])) {
$x = $row[$parts[$i]];
$row = null;
}
} elseif ($part === '->') {
if (isset($parts[++$i])) {
if ($x === null) {
$x = new \stdClass();
}
$x =& $x->{$row[$parts[$i]]};
} else {
$row = is_object($rowOrig) ? $rowOrig : (object) $row;
}
} elseif ($part !== '|') {
$x =& $x[(string) $row[$part]];
}
}
if ($x === null) {
$x = $row;
}
}
return $res;
}
/**
* Normalizes array to associative array. Replace numeric keys with their values, the new value will be $filling.
* @param mixed $filling
*/
public static function normalize(array $array, $filling = null) : array
{
$res = [];
foreach ($array as $k => $v) {
$res[is_int($k) ? $v : $k] = is_int($k) ? $filling : $v;
}
return $res;
}
/**
* Returns and removes the value of an item from an array. If it does not exist, it throws an exception,
* or returns $default, if provided.
* @template T
* @param array<T> $array
* @param array-key $key
* @param ?T $default
* @return ?T
* @throws Nette\InvalidArgumentException if item does not exist and default value is not provided
*/
public static function pick(array &$array, $key, $default = null)
{
if (\array_key_exists($key, $array)) {
$value = $array[$key];
unset($array[$key]);
return $value;
} elseif (\func_num_args() < 3) {
throw new Nette\InvalidArgumentException("Missing item '{$key}'.");
} else {
return $default;
}
}
/**
* Tests whether at least one element in the array passes the test implemented by the
* provided callback with signature `function ($value, $key, array $array): bool`.
*/
public static function some(iterable $array, callable $callback) : bool
{
foreach ($array as $k => $v) {
if ($callback($v, $k, $array)) {
return \true;
}
}
return \false;
}
/**
* Tests whether all elements in the array pass the test implemented by the provided function,
* which has the signature `function ($value, $key, array $array): bool`.
*/
public static function every(iterable $array, callable $callback) : bool
{
foreach ($array as $k => $v) {
if (!$callback($v, $k, $array)) {
return \false;
}
}
return \true;
}
/**
* Calls $callback on all elements in the array and returns the array of return values.
* The callback has the signature `function ($value, $key, array $array): bool`.
*/
public static function map(iterable $array, callable $callback) : array
{
$res = [];
foreach ($array as $k => $v) {
$res[$k] = $callback($v, $k, $array);
}
return $res;
}
/**
* Invokes all callbacks and returns array of results.
* @param callable[] $callbacks
*/
public static function invoke(iterable $callbacks, ...$args) : array
{
$res = [];
foreach ($callbacks as $k => $cb) {
$res[$k] = $cb(...$args);
}
return $res;
}
/**
* Invokes method on every object in an array and returns array of results.
* @param object[] $objects
*/
public static function invokeMethod(iterable $objects, string $method, ...$args) : array
{
$res = [];
foreach ($objects as $k => $obj) {
$res[$k] = $obj->{$method}(...$args);
}
return $res;
}
/**
* Copies the elements of the $array array to the $object object and then returns it.
* @template T of object
* @param T $object
* @return T
*/
public static function toObject(iterable $array, $object)
{
foreach ($array as $k => $v) {
$object->{$k} = $v;
}
return $object;
}
/**
* Converts value to array key.
* @param mixed $value
* @return array-key
*/
public static function toKey($value)
{
return \key([$value => null]);
}
/**
* Returns copy of the $array where every item is converted to string
* and prefixed by $prefix and suffixed by $suffix.
* @param string[] $array
* @return string[]
*/
public static function wrap(array $array, string $prefix = '', string $suffix = '') : array
{
$res = [];
foreach ($array as $k => $v) {
$res[$k] = $prefix . $v . $suffix;
}
return $res;
}
}