Assignment Operator

[shane18]

Is the only time you can use a assignment operator in a condition, is when your getting data out of a database using a while loop.

 

For Example:

while($ROW = $RESULT->fetch_object()){
  //Code
}

[JAY6390]

It's not the only time no, but there's few other times you'll need to use it. What that while does is evaluate that the row data is assigned to $row. If it isn't (when there's no data) it assigns FALSE to the value, and the while does not run

[shane18]

ok well why does if statements and while loops behave like this....

 

while($ROW = $RESULT->fetch_object() && GROUP_SHOW == 1){
  //Code
}

-don't work....

 

 

while(GROUP_SHOW == 1 && $ROW = $RESULT->fetch_object()){
  //Code
}

-works....

 

why does it only work when its the only one or  the last one in the if statement / while loop? can someone explain how this works?