11. Write a PHP script to check if a number is an automorphic number.
Required Input:
25Expected Output:
trueCode In Php
<?php function isAutomorphic($num) { // Your code here } ?>
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12. Create a PHP script to find all prime factors of a given number.
Required Input:
12Expected Output:
[2,2,3]Code In Php
<?php function primeFactors($num) { // Your code here } ?>
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13. Write a PHP script to implement the Tower of Hanoi algorithm recursively.
Required Input:
3 disksExpected Output:
Move disk 1 from A to C
Move disk 2 from A to B
Move disk 1 from C to B
Move disk 3 from A to C
Move disk 1 from B to A
Move disk 2 from B to C
Move disk 1 from A to C
Code In Php
<?php function towerOfHanoi($n, $from, $to, $aux) { // Your code here } ?>
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14. Create a PHP script to check whether a string contains balanced parentheses.
Required Input:
"(a+b)*(c-d)"Expected Output:
falseCode In Php
<?php function isBalanced($str) { // Your code here } ?>
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15. Write a PHP script to check if a number is a Kaprekar number.
Required Input:
45Expected Output:
trueCode In Php
<?php function isKaprekar($num) { // Your code here } ?>
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16. Create a PHP script to generate all permutations of a given string.
Required Input:
"abc"Expected Output:
["abc","acb","bac","bca","cba","cab"]Code In Php
<?php function generatePermutations($str) { // Your code here } ?>
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17. Write a PHP script to find the longest palindrome substring in a given string.
Required Input:
babadExpected Output:
babCode In Php
<?php function longestPalindrome($str) { // Your code here } ?>
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18. Create a PHP script to compute the sum of the first n natural numbers without using loops.
Required Input:
10Expected Output:
55Code In Php
<?php function sumNatural($n) { // Your code here } ?>
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19. Write a PHP script to check if an array is sorted in ascending order.
Required Input:
[1, 2, 3, 4]Expected Output:
trueCode In Php
<?php function isSorted($arr) { // Your code here } ?>
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20. Create a PHP script to convert a string to an integer without using intval() or strval().
Required Input:
"123"Expected Output:
123Code In Php
<?php function stringToInt($str) { // Your code here } ?>
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