PHP Exercises : Test whether a number is greater than 30, 20 or 10 using ternary operator
PHP : Exercise-21 with Solution
Write a PHP function to test whether a number is greater than 30, 20 or 10 using ternary operator.
Sample Solution: -
PHP Code:
<?php
function trinary_Test($n){
$r = $n > 30
? "greater than 30"
: ($n > 20
? "greater than 20"
: ($n >10
? "greater than 10"
: "Input a number atleast greater than 10!"));
echo $n." : ".$r."\n";
}
trinary_Test(32);
trinary_Test(21);
trinary_Test(12);
trinary_Test(4);
?>
Sample Output:
32 : greater than 30 21 : greater than 20 12 : greater than 10 4 : Input a number atleast greater than 10!
Flowchart:

PHP Code Editor:
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PHP: Tips of the Day
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
Security Notice: This solution should not be used in situations where the quality of your randomness can affect the security of an application. In particular, rand() and uniqid() are not cryptographically secure random number generators. See Scott's answer for a secure alternative.
If you do not need it to be absolutely unique over time:
md5(uniqid(rand(), true))
Otherwise (given you have already determined a unique login for your user):
md5(uniqid($your_user_login, true))
Ref : https://bit.ly/31fd9wa
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