How do i compare some letters of text input with mysql database

Question

I'm trying to find a way to compare some letters of my text input with a column on a MYSQL table. Here's my code:

    $query = mysqli_query($conn, "SELECT nicename, phonecode FROM country.country WHERE phonecode=$ccode");

What I want is to compare the first two or three letters from my variable $ccode to the phonecode from table country .

I tried using $ccode% like I would do for normal text but it didn't work.

The Database field phonecode contains international phone codes and variable $ccode contains the full number of a person. I have to extract the country code from the variable $ccode and compare it with the database field.

Answer 1

I don't know PHP more but as per C# we need to add dynamically parameter value.

$tempQuery = "SELECT nicename, phonecode FROM country.country WHERE phonecode like ";

SubString of your $ccode and then add into query

$query = mysqli_query($conn, $tempQuery + "'%" + $ccode + "%'");

Answer 2

Use SUBSTR

$ccode=substr($ccode,0,2); //for two digit, if you want 3 digit replace 2 with 3.

mysqli_query($conn, "SELECT nicename, phonecode FROM country.country
             WHERE phonecode=$ccode");