PHP Program to find Number Combination
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Find Number Combination
In the following example, we will find all possible combinations of numbers with 4 and 8 within the limit 500.
Example
PHP Compiler
<?php
$combination = 2;
$num = array(4, 8);
$limit = 500;
echo "List of combinations of 4 and 8 upto 500: <br>";
// Iterate from 1 to limit
for($i=1; $i<=$limit; $i++)
{
$copyNum = $i;
$count = 0;
$flag = 0;
// Check each digit starting from last digit
while($copyNum != 0)
{
$count++;
$lastDigit = $copyNum % 10;
for($j=0; $j<$combination; $j++)
{
if($num[$j] == $lastDigit)
$flag++;
}
$copyNum = floor($copyNum / 10);
}
// result
if($count == $flag)
echo "$i ";
}
?>
Output
List of combinations of 4 and 8 upto 500:
4 8 44 48 84 88 444 448 484 488
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