Write a PHP program to create a new string where 'if' is added to the front of a given string

برمجة بي اتش بي

2021-09-08
mhanasmh00489829403

Write a PHP program to create a new string where 'if' is added to the front of a given string. If the string already begins with 'if', return the string unchanged.

الأجوبة

<?php
function test($s) 
{
  if (strlen($s) > 2 && substr($s,0, 2) == "if")
            {
                return $s;
            }
      return "if ".$s;
}

echo test("if else")."\n";
echo test("else")."\n";

 Sample Output:

if else
if els

سجل الدخول لتستطيع الإجابة

هل كان المحتوى مفيد؟

0 نعم

0 لا

أسئلة مشابهة

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 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 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

القوائم الدراسية التي ينتمي لها السؤال

لايوجد قوائم حاليا

معلومات ذات صلة

تبحث عن مدرس اونلاين؟

ابحث عن مدرسك