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Php ID card verification

Source: Internet
Author: User
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In the past, I tried to verify my ID card. we often used regular expressions to determine if the user entered a full number of 15 or 18 digits and then determined whether the ID card was valid. this method is only the most basic method, the ID card verification provided below can identify true and false ID cards. the code is as follows :?... In the past, I tried to verify my ID card. we often used regular expressions to determine if the user entered a full number of 15 or 18 digits and then determined whether the ID card was valid. this method is only the most basic method, the ID card verification provided below can identify true and false ID cards.

The code is as follows:

 

 
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