SitePoint Sponsor

User Tag List

Results 1 to 2 of 2

Thread: empty variables?

  1. Nov 14, 2012 14:16 #1
    lukeurtnowski
    lukeurtnowski is offline
    SitePoint Wizard lukeurtnowski's Avatar
    Join Date
    Mar 2003
    Location
    Coronado
    Posts
    1,484
    Mentioned
    2 Post(s)
    Tagged
    0 Thread(s)

    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."
    Reply With Quote Reply With Quote
  2. Nov 14, 2012 14:20 #2
    K. Wolfe
    K. Wolfe is offline
    Always A Novice bronze trophy
     K. Wolfe's Avatar
    Join Date
    Nov 2003
    Location
    Columbus, OH
    Posts
    1,863
    Mentioned
    28 Post(s)
    Tagged
    0 Thread(s)
    http://php.net/manual/en/types.comparisons.php
    <?php
    //Kyle Wolfe
    echo devBlog("My Dev Notes");
    Reply With Quote Reply With Quote
« Previous Thread | Next Thread »

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Forum Rules