This post contains a total of 5+ Hand-Picked PHP Programs to Reverse a Number with Source Codes. All the programs are made using PHP Programming Language.
You can use the source code of these programs for educational purpose with credits to the original owner.
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1. By Sourabh Dubey
Made by Sourabh Dubey. A simple PHP Program to reverse a number / integer. Enter your number in $num. ( Source )
print reverse number=>4321
<?php
echo"print reverse number=>";
$num = 1234;
while($num>=1)
{
$rev = $num%10;
$num = $num/10;
echo $rev;
}
?>2. By Daniel sakti
Made by Daniel sakti. Program to reverse a integer. Enter the integer in $a. ( Source )
input =12345 Output =54321
<?php
$a = "12345";
$n= strlen($a);
echo "input =".$a;
echo "<hr/>";
for($i=0;$i<=floor(($n-1)/2);$i++)
{
$output = $a[$i];
$a[$i] = $a[$n-1-$i];
$a[$n-1-$i] = $output;
}
echo "Output =".$a ;
?>3. By Malek Alsset
Made by Malek Alsset. Iterative function to reverse digits of num. ( Source )
Reverse of number is 2654
<?php
function reversDigits($num)
{
$rev_num = 0;
while($num > 1)
{
$rev_num = $rev_num * 10 +
$num % 10;
$num = (int)$num / 10;
}
return $rev_num;
}
$num = 4562;
echo "Reverse of number is ",
reversDigits($num);
?>4. By Shivam Dubey
Made by Shivam Dubey. Enter the number you want to reverse in $a. ( Source )
the reverse number is :1351
<?php
$a=1531;
$b=$a;
$sum=0;
while ($a>0)
{
$r=$a%10;
$sum=$sum*10+$r;
$a=(int)($a/10);
}
echo "the reverse number is :$sum";
?>5. By angad singh
Made by angad singh. Enter your number in revFnc(51). ( Source )
15
<?php
function revFnc($num)
{
$re=$num%10;
$rev2=floor($num/10);
echo $re.$rev2;
}
revFnc(51);
?>6. By rohit pandit
Made by rohit pandit. ( Source )
<?php
$o=889;
$r;
$rev=0;
while($o!=0){
$r=$o%10;
$rev=$rev*10+$r;
$o=$o/10;
}
echo $rev;
?>