PHP determines whether a file exists in the specified directory

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/* 功能：判断某个目录下是否存在文件； 参数：$path —— 要进行判断的目录，使用绝对路径 返回值：存在 - true 不存在 - false */ function dir_exist_file($path) { if(!is_dir($path)) { return false; } else { $files = scandir($path); // 删除 "." 和 ".." unset($files[0]); unset($files[1]); // 判断是否为空 if(!empty($files[2])) { return true; }else{ return false; } } }

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