Ternary operator returns false but execute left side?

Asked Jan 14 '19 at 11:14

Active Jan 14 '19 at 11:28

Viewed 37 times

I have this row:

<input type="text" name="mpsRegnomer" er="невалиден номер" id="mpsRegnomer" class="upertrim inputGSmall" value="' . (isset($this->data['mpsRegnomer'])) ? '2' : '3' . '" style="margin-top:0px"/>

And it returns me 2 for value, when I use this row above it:

var_dump(isset($this->data['mpsRegnomer'])); exit;

It returns me bool(false) ? Based on documentation it should return me 3 instead of 2 ?

asked Jan 14 '19 at 11:14

Филип Недялков

Operator precedence (ternary expression is run after concatenating the string). This is the wrong place to make your code terse (= less readable). – mario Jan 14 '19 at 11:16
@u_mulder It's not duplicate, there is nothing with `isset vs empty vs is_null` it returns false and it execute left part, I'm ok with `isset` part :) – Филип Недялков Jan 14 '19 at 11:17
@mario You are right, if i export logic in variable it works fine :) – Филип Недялков Jan 14 '19 at 11:19
If that's some mapping logic you need for multiple forms/inputs, perhaps wrap it in some custom function. – mario Jan 14 '19 at 11:27

Ternary operator returns false but execute left side?

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