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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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namespace Illuminate\Routing;
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use Illuminate\Support\Arr;
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class RouteGroup
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{
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    /**
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     * Merge route groups into a new array.
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     *
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     * @param  array  $new
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     * @param  array  $old
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     * @param  bool  $prependExistingPrefix
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     * @return array
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     */
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    public static function merge($new, $old, $prependExistingPrefix = true)
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    {
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        if (isset($new['domain'])) {
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            unset($old['domain']);
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        }
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        if (isset($new['controller'])) {
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            unset($old['controller']);
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        }
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        $new = array_merge(static::formatAs($new, $old), [
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            'namespace' => static::formatNamespace($new, $old),
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            'prefix' => static::formatPrefix($new, $old, $prependExistingPrefix),
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            'where' => static::formatWhere($new, $old),
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        ]);
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        return array_merge_recursive(Arr::except(
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            $old, ['namespace', 'prefix', 'where', 'as']
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        ), $new);
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    }
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    /**
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     * Format the namespace for the new group attributes.
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     *
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     * @param  array  $new
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     * @param  array  $old
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     * @return string|null
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     */
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    protected static function formatNamespace($new, $old)
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    {
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        if (isset($new['namespace'])) {
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            return isset($old['namespace']) && ! str_starts_with($new['namespace'], '\\')
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                    ? trim($old['namespace'], '\\').'\\'.trim($new['namespace'], '\\')
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                    : trim($new['namespace'], '\\');
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        }
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        return $old['namespace'] ?? null;
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    }
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    /**
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     * Format the prefix for the new group attributes.
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     *
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     * @param  array  $new
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     * @param  array  $old
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     * @param  bool  $prependExistingPrefix
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     * @return string|null
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     */
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    protected static function formatPrefix($new, $old, $prependExistingPrefix = true)
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    {
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        $old = $old['prefix'] ?? '';
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        if ($prependExistingPrefix) {
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            return isset($new['prefix']) ? trim($old, '/').'/'.trim($new['prefix'], '/') : $old;
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        } else {
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            return isset($new['prefix']) ? trim($new['prefix'], '/').'/'.trim($old, '/') : $old;
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        }
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    }
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    /**
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     * Format the "wheres" for the new group attributes.
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     *
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     * @param  array  $new
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     * @param  array  $old
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     * @return array
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     */
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    protected static function formatWhere($new, $old)
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    {
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        return array_merge(
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            $old['where'] ?? [],
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            $new['where'] ?? []
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        );
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    }
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    /**
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     * Format the "as" clause of the new group attributes.
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     *
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     * @param  array  $new
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     * @param  array  $old
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     * @return array
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     */
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    protected static function formatAs($new, $old)
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    {
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        if (isset($old['as'])) {
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            $new['as'] = $old['as'].($new['as'] ?? '');
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        }
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        return $new;
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    }
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}