array_merge_recursive

composer/composer

Supported Versions: PHP 4 >= 4.0.1, PHP 5, PHP 7, PHP 8

Merge one or more arrays recursively

<?php array_merge_recursive(array ...$arrays): array

<?php $config = [];

if (PHP_VERSION_ID >= 80000) {

    $config = array_merge_recursive($config, $adapter->load(__DIR__ . '/baseline-8.1.neon'));

}

$config['parameters']['phpVersion'] = PHP_VERSION_ID;

phpstan/ignore-by-php-version.neon.php

<?php             $autoload = $package->getAutoload();

            if ($this->devMode && $package === $rootPackage) {

                $autoload = array_merge_recursive($autoload, $package->getDevAutoload());

            }

src/Composer/Autoload/AutoloadGenerator.php