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✏️ /opt/cpanel/ea-wappspector/vendor/rector/rector/vendor/nette/utils/src/Utils/Iterables.php

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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 RectorPrefix202411\Nette\Utils;

use RectorPrefix202411\Nette;
/**
 * Utilities for iterables.
 */
final class Iterables
{
    use Nette\StaticClass;
    /**
     * Tests for the presence of value.
     * @param mixed $value
     */
    public static function contains(iterable $iterable, $value) : bool
    {
        foreach ($iterable as $v) {
            if ($v === $value) {
                return \true;
            }
        }
        return \false;
    }
    /**
     * Tests for the presence of key.
     * @param mixed $key
     */
    public static function containsKey(iterable $iterable, $key) : bool
    {
        foreach ($iterable as $k => $v) {
            if ($k === $key) {
                return \true;
            }
        }
        return \false;
    }
    /**
     * Returns the first item (matching the specified predicate if given). If there is no such item, it returns result of invoking $else or null.
     * @template K
     * @template V
     * @param  iterable<K, V>  $iterable
     * @param  ?callable(V, K, iterable<K, V>): bool  $predicate
     * @return ?V
     */
    public static function first(iterable $iterable, ?callable $predicate = null, ?callable $else = null)
    {
        foreach ($iterable as $k => $v) {
            if (!$predicate || $predicate($v, $k, $iterable)) {
                return $v;
            }
        }
        return $else ? $else() : null;
    }
    /**
     * Returns the key of first item (matching the specified predicate if given). If there is no such item, it returns result of invoking $else or null.
     * @template K
     * @template V
     * @param  iterable<K, V>  $iterable
     * @param  ?callable(V, K, iterable<K, V>): bool  $predicate
     * @return ?K
     */
    public static function firstKey(iterable $iterable, ?callable $predicate = null, ?callable $else = null)
    {
        foreach ($iterable as $k => $v) {
            if (!$predicate || $predicate($v, $k, $iterable)) {
                return $k;
            }
        }
        return $else ? $else() : null;
    }
    /**
     * Tests whether at least one element in the iterator passes the test implemented by the provided function.
     * @template K
     * @template V
     * @param  iterable<K, V>  $iterable
     * @param  callable(V, K, iterable<K, V>): bool  $predicate
     */
    public static function some(iterable $iterable, callable $predicate) : bool
    {
        foreach ($iterable as $k => $v) {
            if ($predicate($v, $k, $iterable)) {
                return \true;
            }
        }
        return \false;
    }
    /**
     * Tests whether all elements in the iterator pass the test implemented by the provided function.
     * @template K
     * @template V
     * @param  iterable<K, V>  $iterable
     * @param  callable(V, K, iterable<K, V>): bool  $predicate
     */
    public static function every(iterable $iterable, callable $predicate) : bool
    {
        foreach ($iterable as $k => $v) {
            if (!$predicate($v, $k, $iterable)) {
                return \false;
            }
        }
        return \true;
    }
    /**
     * Iterator that filters elements according to a given $predicate. Maintains original keys.
     * @template K
     * @template V
     * @param  iterable<K, V>  $iterable
     * @param  callable(V, K, iterable<K, V>): bool  $predicate
     * @return \Generator<K, V>
     */
    public static function filter(iterable $iterable, callable $predicate) : \Generator
    {
        foreach ($iterable as $k => $v) {
            if ($predicate($v, $k, $iterable)) {
                (yield $k => $v);
            }
        }
    }
    /**
     * Iterator that transforms values by calling $transformer. Maintains original keys.
     * @template K
     * @template V
     * @template R
     * @param  iterable<K, V>  $iterable
     * @param  callable(V, K, iterable<K, V>): R  $transformer
     * @return \Generator<K, R>
     */
    public static function map(iterable $iterable, callable $transformer) : \Generator
    {
        foreach ($iterable as $k => $v) {
            (yield $k => $transformer($v, $k, $iterable));
        }
    }
    /**
     * Iterator that transforms keys and values by calling $transformer. If it returns null, the element is skipped.
     * @template K
     * @template V
     * @template ResV
     * @template ResK
     * @param  iterable<K, V>  $iterable
     * @param  callable(V, K, iterable<K, V>): ?array{ResV, ResK}  $transformer
     * @return \Generator<ResV, ResK>
     */
    public static function mapWithKeys(iterable $iterable, callable $transformer) : \Generator
    {
        foreach ($iterable as $k => $v) {
            $pair = $transformer($v, $k, $iterable);
            if ($pair) {
                (yield $pair[0] => $pair[1]);
            }
        }
    }
    /**
     * Wraps around iterator and caches its keys and values during iteration.
     * This allows the data to be re-iterated multiple times.
     * @template K
     * @template V
     * @param  iterable<K, V>  $iterable
     * @return \IteratorAggregate<K, V>
     */
    public static function memoize(iterable $iterable) : iterable
    {
        return new class(self::toIterator($iterable)) implements \IteratorAggregate
        {
            /**
             * @var \Iterator
             */
            private $iterator;
            /**
             * @var mixed[]
             */
            private $cache = [];
            public function __construct(\Iterator $iterator, array $cache = [])
            {
                $this->iterator = $iterator;
                $this->cache = $cache;
            }
            public function getIterator() : \Generator
            {
                if (!$this->cache) {
                    $this->iterator->rewind();
                }
                $i = 0;
                while (\true) {
                    if (isset($this->cache[$i])) {
                        [$k, $v] = $this->cache[$i];
                    } elseif ($this->iterator->valid()) {
                        $k = $this->iterator->key();
                        $v = $this->iterator->current();
                        $this->iterator->next();
                        $this->cache[$i] = [$k, $v];
                    } else {
                        break;
                    }
                    (yield $k => $v);
                    $i++;
                }
            }
        };
    }
    /**
     * Creates an iterator from anything that is iterable.
     * @template K
     * @template V
     * @param  iterable<K, V>  $iterable
     * @return \Iterator<K, V>
     */
    public static function toIterator(iterable $iterable) : \Iterator
    {
        switch (\true) {
            case $iterable instanceof \Iterator:
                return $iterable;
            case $iterable instanceof \IteratorAggregate:
                return self::toIterator($iterable->getIterator());
            case \is_array($iterable):
                return new \ArrayIterator($iterable);
        }
    }
}

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⬅ src 25 item

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🐘 Iterables.php	php	7.1 KB	08/11/24 20:59	0644	✏️ ⬇
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🐘 Strings.php	php	25.8 KB	08/11/24 20:59	0644	✏️ ⬇
🐘 Type.php	php	7.5 KB	08/11/24 20:59	0644	✏️ ⬇
🐘 Validators.php	php	12.2 KB	08/11/24 20:59	0644	✏️ ⬇
🐘 exceptions.php	php	784 B	08/11/24 20:59	0644	✏️ ⬇

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