消除使用PHP

Question

重複值如何使用PHP我消除陣列中的重複，陣列看起來像下面

[1] => Array 
     (
      [name] => Dean 
      [s_id] => 1 
      [surname] => 
      [id_nr] => 84934568321 
      [student_nr] => 0 
      [createdate] => 0000-00-00 
      [enddate] => 0000-00-00 
      [count_absent] => 3 
     ) 

    [2] => Array 
     (
      [name] => Dean 
      [s_id] => 1 
      [surname] => 
      [id_nr] => 84934568321 
      [student_nr] => 0 
      [createdate] => 0000-00-00 
      [enddate] => 0000-00-00 
      [count_absent] => 3 
     ) 

    [3] => Array 
     (
      [name] => Dean 
      [s_id] => 1 
      [surname] => 
      [id_nr] => 84934568321 
      [student_nr] => 0 
      [createdate] => 0000-00-00 
      [enddate] => 0000-00-00 
      [count_absent] => 3 
     ) 

    [4] => Array 
     (
      [name] => Dean 
      [s_id] => 1 
      [surname] => 
      [id_nr] => 84934568321 
      [student_nr] => 0 
      [createdate] => 0000-00-00 
      [enddate] => 0000-00-00 
      [count_absent] => 3 
     ) 

Answer 1

使用array_unique($array)在PHP

你也可以遍歷數組和手動比較

Answer 2

array_unique

Answer 3

http://php.net/manual/en/function.array-unique.php

$input = array("a" => "green", "red", "b" => "green", "blue", "red"); 
$result = array_unique($input); 
print_r($result);