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Rev

Explanation for the down vote? He's not asking if they are the same, he's asking if he needs to check isset before checking empty.

chris
– chris

2011-08-25 14:01:36 +00:00
Commented Aug 25, 2011 at 14:01
I didn't downvote, but "use isset if you want to know it is not null" is not correct: $var = null; isset( $var ) == true.

JJJ
– JJJ

2011-08-25 14:05:09 +00:00
Commented Aug 25, 2011 at 14:05
From the PHP5/4 Manual: isset() - "Determine if a variable is set and is not NULL." us.php.net/manual/en/function.isset.php

chris
– chris

2011-08-25 14:07:26 +00:00
Commented Aug 25, 2011 at 14:07

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