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chengkun

2025-08-29 a370f8c298c691b18f713d4db19919162fbd3299

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