Basically it tells a savvy programmer whether or not his logic has
caused the var in question to exist. Many times it is important
simply to know that, not what the var contains, which can lead to an
error in processing.
The isset() will tell you that yes, I have this variable, letting you
Jim Giner jim.gi...@albanyhandball.com hat am 20. Februar 2013 um 15:10
geschrieben:
Basically it tells a savvy programmer whether or not his logic has
caused the var in question to exist. Many times it is important
simply to know that, not what the var contains, which can lead to an
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