Q:

Write a PHP program to check a positive integer and return true if it contains a number 2

hamza
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2022-05-18
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Write a PHP program to check a positive integer and return true if it contains a number 2.

Php programming,
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hamza
2022-05-18
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<?php
function test($n)
    { 
      while ($n > 0)
       {
          if ($n % 10 == 2) return true;
           $n /= 10;
        }
    return false;
    }

var_dump(test(123));
var_dump(test(13));
var_dump(test(222));

Sample Output:

bool(true)
bool(false)
bool(true)

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