[SOLVED] Want to confirm userinput only between a-z

[ameyjah]

Hi friends,

 

I need to see that user must enter single character (ranging from a to z (small letters only)).

 

suppose user input is $input='a',  then how do i use if condition.

 

[premiso]

<?php
$input = $_GET['input'];
if (strlen($input) == 1 && preg_match('~[a-z]~', $input)) {
    echo "Yep {$input} is a single letter and small.";
}else {
    echo "Nope {$input} is not a single letter or small.";
}
?>

[Maq]

I need to see that user must enter single character (ranging from a to z (small letters only)).

 

Hehe, you mean lower-case...

 

I you use regex like premiso exemplifies, it will be very easy to restrict what the user can enter.

[RichardRotterdam]

or even simpler

$input=$_POST['text'];
if(ctype_lower ($input) && strlen($input)==1){
  echo"lowercase char found ";
}else{
  echo "not valid input";
}

[ameyjah]

thanks a lot.

 

After giving some thought, i got the following idea.

 

Solution: Check if the ASCII of the entered text is between 97 to 122.

 

if(ord($record)>=97 || ord($record)<=122)

        echo "Yes";

else

        echo "No";