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判断是否为数字,该怎么解决

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Release： 2016-06-13 13:27:40
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判断是否为数字
$aa="00010123.90";
echo is_numeric($aa);
使用这个函数好像判断不出这种数字字符串，有没有其他的函数可以判断出像这种的变量是否是数字还是文本的，前面有0的认为是文本的，而不是数字的

------解决方案--------------------

探讨
好像不行的啊，不是判断整型 的
Related labels：
echo quot
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