PHP ternary operator error [duplicate]

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Closed 6 years ago.

Possible Duplicate:
PHP ternary operator not working as expected

I dont know what is wrong with my code? My PHP Version is 5.4.7.

$b = 'a';
$c = 'd';
echo $b == 'a' ? 2: $c == 'a' ? 1 : 0; 

output 1

right answer should be 2.....

Thank you very much for your advice.

Answer 1

You need to add some parenthesis.

$b = 'a';
$c = 'd';
echo ($b == 'a') ? 2 : ($c == 'a' ? 1 : 0);