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: / opt / psa / admin / plib / modules / monitoring / vendor / mezzio / mezzio-template / src /
Filename : ArrayParametersTrait.php
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<?php

declare (strict_types=1);
namespace PleskMonitoring\Mezzio\Template;

use Traversable;
use function gettype;
use function is_array;
use function is_object;
use function iterator_to_array;
use function method_exists;
use function sprintf;
trait ArrayParametersTrait
{
    /**
     * Cast params to an array, if possible.
     *
     * Casts the provided $params argument to an array, using the following rules:
     *
     * - null values result in an empty array
     * - array values are returned verbatim
     * - laminas-view view models return the result of getVariables()
     * - Traversables are cast using iterator_to_array
     * - objects that are not laminas-view view models nor traversables are cast
     *   using PHP's type casting
     * - scalar values result in an exception
     *
     * @throws Exception\InvalidArgumentException
     */
    private function normalizeParams(mixed $params) : array
    {
        if (null === $params) {
            return [];
        }
        if (is_array($params)) {
            return $params;
        }
        // Special case for laminas/laminas-view view models.
        // Not using typehinting, so as not to require laminas-view as a dependency.
        if (is_object($params) && method_exists($params, 'getVariables')) {
            return $this->normalizeParams($params->getVariables());
        }
        if ($params instanceof Traversable) {
            return iterator_to_array($params);
        }
        if (is_object($params)) {
            return (array) $params;
        }
        throw new Exception\InvalidArgumentException(sprintf('%s template adapter can only handle arrays, Traversables, and objects ' . 'when rendering; received %s', static::class, gettype($params)));
    }
}