PHP ternary operator? With:

In a lot of PHP programming you'll see the combined usage of: This combination is called the ternary operator,

Operator "?" The previous expression

If an expression containing a two-dollar operator appears in the ternary operator "? : "The"? " , you should add a pair of parentheses to the expression. For example:
(x >= 0)? x:-X;

Now let's look at a simple one? An instance of a number expression

?

$a = 1;

echo $a? ' True ': ' false ';

The output result is Trur;

Look again

if ($a)

{

Echo ' true ';

}

Else

{

echo ' false ';

}

The result of the if output is also true Oh, from here? An expression can handle some simple conditional operations.

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