<?php
/**
* This file is part of the PHP Generics package.
*
* @package Generics
*/
namespace Generics\Util;
use ArrayObject;
/**
* This class provides some array utility functions
*
* @author Maik Greubel <greubel@nkey.de>
*
*/
class Arrays
{
/**
* Create an empty array containing a specific number of elements
*
* @param int $numElements
* The number of elements in Array
* @return array
*/
public static function createEmptyArray($numElements): ArrayObject
{
return new ArrayObject(array_fill(0, $numElements, null));
}
/**
* Check whether a key exists in array and corresponding value is not empty
*
* @param array $array
* @param mixed $element
* @return bool
*/
public static function hasElement($array, $element): bool
{
if (! is_array($array)) {
return false;
}
return isset($array[$element]) && strlen($array[$element]) > 0;
}
}
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