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chengkun

2025-09-12 26c5c0296e7c094f9a7ae4a4bb3c975796992eaf

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<?php
 
if (\PHP_VERSION_ID < 80000 && !interface_exists('Stringable')) {
    interface Stringable
    {
        /**
         * @return string
         */
        public function __toString();
    }
}