What's the term for calling a function this way？

Question

unset $arr[$key];

Shouldn't it be :

unset($query[$key]);

score 3 · Answer 1 · edited Jan 24 '10 at 13:41

3

echo is not actually a function (it is a language construct)

same with unset.

edited Jan 24 '10 at 13:41

soulmerge

answered Jan 24 '10 at 13:38

Joel L

score 1 · Answer 2 · edited May 23 '17 at 12:01

1

If I understand you correctly then it would be called a language construct, such as echo.

edited May 23 '17 at 12:01

Community

answered Jan 24 '10 at 13:36

meder omuraliev

score 1 · Answer 3 · answered Jan 24 '10 at 13:38

1

isset and unset are actually implemented as PHP unary operators also, so they can be used without parens.

answered Jan 24 '10 at 13:38

Sean A.O. Harney

3 Answers3