for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
namespace StraTDeS\VO\Collection;
use InvalidArgumentException;
class StringCollection
{
/** @var string[] */
private array $array;
private function __construct(array $array)
$this->assertAllStrings($array);
$this->array = $array;
}
public static function fromArray(array $array): self
return new static($array);
public function toArray(): array
return $this->array;
private function assertAllStrings(array $array): void
foreach ($array as $item) {
if (is_string($item) !== true) {
throw new InvalidArgumentException("The element $item in the array is not a string");
stratdes /
vo
