XMPP JavaScript Library

Program to find all Armstrong numbers (PHP)

An Armstrong number is an n digit number, which is equal to the sum of the nth powers of its digits. All the 1 digit numbers (1-9) are Armstrong number because 1*1=1 which is equals to number (1) itself, 2*1=2 which is equals to number(2) itself so on for all the 1 digit numbers (1-9).There are no 2 digit Armstrong numbers. Feel free to ask me if you still have doubt.

1 <?
2 armstrong(9999);
3 function armstrong($maximum_number)
4 {
5 $sum=0;
6 print("Armstrong numbers between 0 to $maximum_number are: ");
7
8 for($i=0; $i<=$maximum_number; $i++)
9 {
10 $num=$i;
11 $sum=0;
12 $len=strlen($i); //Length of number i.e number of digits in a number
13 while($num>0)
14 {
15 $rem=$num%10;
16 $power=pow($rem,$len);//Raise to the power of length of each digit in a number.
17 $sum=$sum+$power; //Sum of power of all digits of a number
18 $num=$num/10; // Calculate next number
19 }
20 if($sum==$i)
21 {
22 echo $i . "= Yes <br/>";
23 }
24 }
25 }
26 ?>
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  by hitesh on 19-Aug-2016 06:32 pm
Nice
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  by Deepak on 19-Mar-2015 11:33 pm
Wrong program not working
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  by jithesh on 09-Dec-2014 12:53 pm
im not getting the output \'_\'!
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  by Happy on 12-Nov-2014 04:43 pm
Very nice
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  by Miguel on 19-Sep-2014 01:22 am
Thank you for your code, it really helped me.
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  by gjghj on 09-Aug-2014 02:18 pm
xcfgxd
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About the author

Sachin Puri Hi, I am Sachin Puri, I am a Programmer. Programming is my work and it is the thing i like to do most in my free time.
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