Remove duplicated matching values from array PHP - 


 $arrempty =array();   for($i=0;$i<count($courseinfo['olinelist']);$i++){      if(!in_array($courseinfo['olinelist'][$i]['onday'],$arrempty)){          echo "<pre>";          print_r($courseinfo['olinelist']);      }  }  input: array (     [date] => 2016-02-23     [onday] => 1     [session] => morning     [start_time] => 08:30:00     [cd_desc] => registration     [end_time] => 09:00:00     [name] => fname lname     [profile_pic] => 145464959476.jpg ) array (     [date] => 2016-02-23     [onday] => 1     [session] => morning     [start_time] => 09:30:00     [cd_desc] => on label vs off label (botox)     [end_time] => 09:45:00     [name] => fname lname     [profile_pic] => 145464959476.jpg ) array (     [date] => 2016-02-23     [onday] => 2     [session] => morning     [start_time] => 09:00:00     [cd_desc] => introduction     [end_time] => 09:15:00     [name] => fname lname     [profile_pic] => 145464959476.jpg )  array (     [date] => 2016-02-20     [onday] => 2     [session] => morning     [start_time] => 01:00:00     [cd_desc] => lunch     [end_time] => 02:15:00     [name] => fname lname     [profile_pic] => 146.jpg )  output:      date =>      onday => 1     session =>      start_time => 08:30:00     cd_desc => registration     end_time => 09:00:00     name => fname lname     profile_pic => 145464959476.jpg      date =>      onday =>      session =>      start_time => 09:30:00     cd_desc => on label vs off label (botox)     end_time => 09:45:00     name => fname lname     profile_pic => 145464959476.jpg      date =>      onday => 2     session =>      start_time => 09:00:00     cd_desc => introduction     end_time => 09:15:00     name => fname lname     profile_pic => 145464959476.jpg      date =>      onday =>      session =>      start_time => 01:00:00     cd_desc => lunch     end_time => 02:15:00     name => fname lname     profile_pic => 146.jpg

look @ date, onday , session should blank while displaying each loop

what want remove duplicate element values array , keep key blank. have tried use array_unique($myarray) , seem not working. please help!!!

try this:

 $arrempty =array();   for($i=0;$i<count($courseinfo['olinelist']);$i++){      if(!in_array($courseinfo['olinelist'][$i]['onday'],$arrempty['onday'])){          $arrempty[] = $courseinfo['olinelist'][$i];          echo "<pre>";          print_r($courseinfo['olinelist'][$i]);      }  }

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