Question

How to check if character is letter in PHP

Answer 1

$s = "php programming";
          
if (ctype_alpha($s[2])) {
    echo "yes" . "<br />";
}
else {
    echo "no" . "<br />";
}


$ch = 'z';
if (ctype_alpha($ch)) {
    echo "yes" . "<br />";
}
else {
    echo "no" . "<br />";
}
   
           
    
/*
run:
                
yes
yes
     
*/

 

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