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What is the isdigit() equivalent in PHP



173 views
asked Aug 7, 2021 by avibootz
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1 Answer

0 votes 
$s = "PHP 9";
           
if (ctype_digit($s[1])) 
    echo "digit" . "\n";
else
    echo "not digit" . "\n";
    
if (ctype_digit($s[4])) 
    echo "digit" . "\n";
else
    echo "not digit" . "\n";    
 
 
 
 
 
/*
run:
 
not digit
digit
 
*/

 



answered Aug 7, 2021 by avibootz

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