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How to determine if a variable is a number in thinkphp

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WBOYOriginal
2022-02-15 11:53:513821browse

方法:1、用“protected 变量=array(array('your_variable','number','变量为数字'),)”判断;2、用“is_numeric(变量);preg_match('/^\\d+$/',变量)”判断。

How to determine if a variable is a number in thinkphp

本文操作环境:Windows10系统、ThinkPHP5 版、Dell G3电脑。

thinkphp怎么判断变量是否为数字

1、如果要用模型的自动验证,在模型中添加:

protected $_validate = array(
    array('your_variable','number','变量应为纯数字!'),
 );

2、如果自行验证,可以用函数或正则表达式

is_numeric($your_variable);
preg_match('/^\\d+$/',$your_variable);

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