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convert ternary operator to if else

debugcn Published at Dev
16
Saadia

I have this ternary operator which i am trying to understand by converting it to normal ifelse

$countDinner[$invitation->getDinner()->getId()] = isset($countDinner[$invitation->getDinner()->getId()]) ? $countDinner[$invitation->getDinner()->getId()] + 1 : 1;

but I am not getting the correct result

$countDinner[$invitation->getDinner()->getId()] = "";
if (isset($countDinner[$invitation->getDinner()->getId()])) {
    $countDinner[$invitation->getDinner()->getId()] = $countDinner[$invitation->getDinner()->getId()] + 1;
}else{
    $countDinner[$invitation->getDinner()->getId()] = 1;
}

What am i doing wrong here?

Mark Baker

In doing

$countDinner[$invitation->getDinner()->getId()] = "";

you're creating a condition that means

if (isset($countDinner[$invitation->getDinner()->getId()])) {

will always be true.... you're ensuring that it is created before testing whether it exists, so (of course) it will always exist.

Get rid of the

$countDinner[$invitation->getDinner()->getId()] = "";

line

You can also simplify

$countDinner[$invitation->getDinner()->getId()] = $countDinner[$invitation->getDinner()->getId()] + 1;

to

$countDinner[$invitation->getDinner()->getId()]++;

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