Write a PHP program to create a new string taking the first 3 characters of a given string and return the string with the 3 characters added at both the front and back. If the given string length is less than 3, use whatever characters are there

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Write a PHP program to create a new string taking the first 3 characters of a given string and return the string with the 3 characters added at both the front and back. If the given string length is less than 3, use whatever characters are there.

الأجوبة

<?php
function test($str) 
{
   if (strlen($str) < 3)
            {
                return $str.$str.$str;
            }
            else
            {
                $front = substr($str, 0, 3);
                return $front.$str.$front;
            }
        }
echo test("Python")."\n";
echo test("JS")."\n";
echo test("Code")."\n";

Sample Output:

PytPythonPyt
JSJSJS
CodCodeCod
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أسئلة مشابهة

Write a PHP program to create a new string of length 2, using first two characters of a given string. If the given string length is less than 2 use '#' as missing characters
Write a PHP program to create a new string with the last char added at the front and back of a given string of length 1 or more
Write a PHP program to create a new string which is 4 copies of the 2 front characters of a given string. If the given string length is less than 2 return the original string
Write a PHP program to create a new string using 3 copies of the first 2 characters of a given string. If the length of the given string is less than 2 use the whole string

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