douli4852 2015-05-08 07:51
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如何在php中将字符串转换为整数

I have a variable $var1 = "21,855.00". I already tried using preg_replace and str_replace but I could not really achieve what I was looking for. I wish to echo it as 21855. How can I do that using PHP?

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  • dongyong6428 2015-05-08 08:11
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    Just taking note:

    If its a literal string like:

    $var1 = '21,855.00'; // string(9) "21,855.00"
    

    You can also do it this way:

    $var1 = '21,855.00';
    $var2 = filter_var(strtok($var1, '.'), FILTER_SANITIZE_NUMBER_INT);
    echo $var2; // 21855
    

    Sample Output

    Or with regex:

    $var1 = '21,855.00';
    $var2 = (int) preg_replace('/(?<=\d),(?=\d{3}\b)/','', $var1);
    var_dump($var2); // int(21855)
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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