Write a PHP program to create a new string from a given string after swapping last two characters

برمجة بي اتش بي

2021-09-08
mhanasmh00489829403

الأجوبة

<?php
function test($s1)
{ 
        if (strlen($s1) > 1)
            {
                return substr($s1, 0, strlen($s1) - 2) . substr($s1, strlen($s1)-1, 1) . substr($s1, strlen($s1)-2, 1);
            }
            else
            {
                return $s1;
            }
    }

echo test("Hello")."\n";
echo test("Python")."\n";
echo test("PHP")."\n";
echo test("JS")."\n";
echo test("C")."\n";

Sample Output:

Helol
Pythno
PPH
SJ
C

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أسئلة مشابهة

Write a PHP program to create a new string from a given string. If the two characters of the given string from its beginning and end are same return the given string without the first two characters otherwise return the original string

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

Write a PHP program to create a new string from a given string without the first and last character if the first or last characters are 'a' otherwise return the original given string

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

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