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The Ternary Conditional Operation in PHP

The ternary conditional operators are the ? and :

To demonstrate its use, first, we define our problem.
For example, our problem is to compare 2 numbers. If the first number is greater than the second, we will prompt "Hello", else, we say "Hi".

So here's the solution using If and Else statement:
<?php

$a = 4;
$b = 9;

if($a > $b)
{
   echo "Hello";
}
else
{
   echo "Hi";
}

?>
In Ternary Operation, the solution is this:
<?php

echo ($a > $b) ? "Hello" : "Hi";

?>
Ternary Operation explained: If the value of the first subexpression is TRUE (non-zero), then the second subexpression is evaluated, and that is the result of the conditional expression. Otherwise, the third subexpression is evaluated, and that is the value.