Eliminating duplicate values using PHP

Question

How can I eliminate duplicate in an array using PHP, array looks like below

[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
        )

dusoft · Accepted Answer · 2009-10-28 15:51:26Z

9

use array_unique($array) in PHP

you can also iterate over array and compare manually

answered Oct 28, 2009 at 15:51

dusoft

11.5k5 gold badges40 silver badges45 bronze badges

Sign up to request clarification or add additional context in comments.

Comments

SilentGhost · Accepted Answer · 2009-10-28 15:52:15Z

3

array_unique

answered Oct 28, 2009 at 15:52

SilentGhost

322k67 gold badges312 silver badges294 bronze badges

Comments

TigerTiger · Accepted Answer · 2009-10-28 15:53:22Z

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);

answered Oct 28, 2009 at 15:53

TigerTiger

10.8k16 gold badges59 silver badges72 bronze badges

Collectives™ on Stack Overflow

Eliminating duplicate values using PHP

3 Answers 3

Comments

Comments

Comments

Your Answer

Linked

Hot Network Questions

Collectives™ on Stack Overflow

3 Answers 3

Comments

Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Linked

Related