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How to check if string is numeric in PHP



233 views
asked Aug 17, 2019 by avibootz
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1 Answer

0 votes 
$s = "3983201"; 

if (ctype_digit($s)) {
    echo "true";
}
else {
   echo "false"; 
}
      
 
  
    
/*
run:
         
true
  
*/

 



answered Aug 17, 2019 by avibootz

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