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<is_floatis_integer>
Last updated: Mon, 16 Jul 2012

is_int

(PHP 3, PHP 4, PHP 5)

is_int -- 检测变量是否是整数

描述

bool is_int ( mixed var )

如果 varinteger 则返回 TRUE,否则返回 FALSE

注: 若想测试一个变量是否是数字或数字字符串(如表单输入,它们通常为字符串),必须使用 is_numeric()

参见 is_bool()is_float()is_integer()is_numeric()is_string()is_array()is_object()




<is_floatis_integer>
 Last updated: Mon, 16 Jul 2012
 
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