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• 数字转字符串，PHP数字转字符串

使用方法

    // 先调用 randomKey 生成 keyMap
    // $keyMap = IntConvert::randomKey();
    
    $keyMap = [
        'UEXWSL59Q6GCNODZ23BIF8R4V7AKYMH1',
        '943Z58QNX1WM7ID26SHVBFGAEYRCLOUK',
        'G5VM36BZDQAE174KLUNYR2SIHOF8C9WX',
        'Y1C942FGV3WM7IQZHO5KLR6XDE8UNASB',
        '3NZU92SMQ8O64BCKFEWLDH7XY1A5RIGV',
        'RV27F8L9NSAGMCXUW5DHZ1O43IBYQK6E',
        'OZWFYHX3L6CVQ7KU48G1B5ASDN2RI9ME',
        'XIND28KH9AB5G4WO6ELCZM7UQSFY3R1V',
        'R43UM9I8GLBW52Z6ODEC7XHK1QVNSYAF',
        'FMDEBAQ14W9K2L6SXV8IRUZG7C3NHO5Y',
        'USEO9H4FKR5W62VNAMCI78D31QLYZXBG',
        'OAS8UZYR6HVQ2KCG139FW7XIB5ME4DNL',
        'RZAHWCDBKU91IN3SX48LQYVOG5MFE267',
        '6GYUMWK8LQI49NSCVDX512B3HF7OAEZR',
        'WY3SRM21AXI8DQ79LO6E45VCFHKZUBGN',
        'LOR8EU3KAID4X6M7ZHQYWG9FN5B1VCS2',
    ];
    try {
        $obg = new IntConvert($keyMap);
        echo $obg->toString(1);  // 输出 7XI
        echo $obg->toInt('7XI');  // 输出 1
    } catch (\Exception $e) {
        throw $e;
    }