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PHP

Ben Os
Ben Os
20,008 Points
Posted by Ben Os
Ben Os
20,008 Points

"To make sure that a required fields contains more than white-space, which function would you use? (It's trim... Why?)

Hi, a few days ago I had the question:

"To make sure that a required fields contains more than white-space, which function would you use?

The answer is the trim function.

Why is it the trim function? IIANW, this function trims content output (by content I mean strings\nums). If so, why is it the answer to the question?

Thanks.

1 Answer

Per Karlsson
Per Karlsson
12,683 Points
Per Karlsson
Per Karlsson
12,683 Points

Hi,

You have the answer in the question:

"To make sure that a required fields contains more than white-space"

The trim function trims white space so one could not simply add five spaces in the field and it would be accepted. You would have to add a character (or another symbol). That's why it's the answer.

Hope that helps!

~Per

Ben Os
Ben Os
20,008 Points
Ben Os
Ben Os
20,008 Points

So, if I understand correct, it trims the white spaces and thus (if the field is required) make ALL OTHER characters which are not white-space a must.

I didn't make the association between the required to that; You clarification helped me and you saved me some time reviewing the vid. Thanks!