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  1. #1
    SitePoint Wizard lukeurtnowski's Avatar
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    empty variables?

    whats the difference between
    PHP Code:
    $var "";
    $var 0;
    $var NULL
    which one does isset() return true or false on also is_null() and empty()

    Thanks...
    "Oh, and Jenkins--apparently your mother died this morning."

  2. #2
    Always A Novice bronze trophy
    K. Wolfe's Avatar
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    Nov 2003
    Location
    Columbus, OH
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