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Tag Archives: php
Learning PHP: ISSET() vs. IS_NULL()
I found this little gem while looking into how to determine is a variable is usable; in my case, if it’s been set: http://php.net/manual/en/function.is-null.php#90782 claude dot pache at gmail dot com 09-May-2009 04:38 A small but important difference between “is_null” … Continue reading