I don't understand why this redirect doesn't work

Question

 if (lo_first == 'true' && $lo_first != '1') { 
header("Location: http://example.com/myOtherPage.php");
exit(); } 

I don't understand why this redirect doesn't work

Answer 1

Take a look at your if :

if (lo_first == 'true' && $lo_first != '1') {

Here you use both lo_first and $lo_first , which indicates that $lo_first is a variable from which the $ is forgotten at its first use. Fix:

if (lo_first == 'true' && $lo_first != '1') {