关于php的number_format函数的问题.
echo number_format(88899626759579787, 0, '', '');
为什么输出结果是88899626759579792 ?
<br /> echo PHP_INT_MAX; // php的整形能表示的最大整数<br /> <br /> var_dump(number_format(88899626759579700, 0, '', ''));<br />
<br /> <?php<br /> $json = '12345678901234567890';<br /> <br /> var_dump(json_decode($json));<br /> var_dump(json_decode($json, false, 512, JSON_BIGINT_AS_STRING));<br /> <br /> ?><br /> <br /> 以上例程会输出：<br /> float(1.2345678901235E+19)<br /> string(20) "12345678901234567890"<br />
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