mdvignesh Posted February 18, 2011 Share Posted February 18, 2011 Help me solve in error Notice: Undefined index: ch1 in C:\wamp\www\latest\library\bookdb.php on line 3 It comes when i uncheck any checkbox Thank U in advance [attachment deleted by admin] Quote Link to comment https://forums.phpfreaks.com/topic/228091-notice-undefined-index-error/ Share on other sites More sharing options...
mikosiko Posted February 18, 2011 Share Posted February 18, 2011 telepathy or the magic crystal ball doesn't work today.... post your code Quote Link to comment https://forums.phpfreaks.com/topic/228091-notice-undefined-index-error/#findComment-1176217 Share on other sites More sharing options...
BlueSkyIS Posted February 18, 2011 Share Posted February 18, 2011 you must ensure an index is defined before referencing it, for example: if (isset($_POST['ch1'])) { // the index ch1 is defined } else { // the index ch1 is NOT defined } Quote Link to comment https://forums.phpfreaks.com/topic/228091-notice-undefined-index-error/#findComment-1176262 Share on other sites More sharing options...
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