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How To Check A ' $_Get ' Value Is 100% String Or Integer?


Eritrea

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Suppose there is a url ex:

 

site.com/page.php?id=*ANTHING*

 

 

How do you check if *ANYTHING* is only string ( not composed of strings and integers ) or integer only.

 

 

Because, I used is_string() function to check it, but it only checks if the first letter is a string so

 

id=?cat435 and id=?catdasd will return the same result.

 

 

How can I make sure, if a value is then only a string or integer and not a combination of both

 

 

thanks

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