Delete values of array two that are in array one in php [duplicate]

Question

I have a very simple PHP question.

Imagine i have two array :

[array1] {
[0] => zero
[1] => one
[2] => two
[3] => three 
}

and

[array2] {
[0] => zero
[1] => test1
[2] => test2
[3] => three 
}

I want to delete every value from the second array that is in the first one.

For example, from that two arrays at top, I want to have this below array ::

[array2] {
[0] => test1
[1] => test2
}

How can we do it in PHP ?

Thanks in advance.

@showdev this is Not duplicate ! just read quesion with examples again u will under stand. — Cab
– Cab, Commented Aug 1, 2014 at 21:13
They are both duplicates. All of these answer your question. Please explain how they are unsatisfactory or edit your question to help clarify. — showdev
– showdev, Commented Aug 1, 2014 at 21:14

Gergo Erdosi · Accepted Answer · 2014-08-01 21:13:55Z

5

You can use array_diff():

$array2 = array_diff($array2, $array1);

Edit: Here is an example:

$array1 = array('zero', 'one', 'two', 'three');
$array2 = array('zero', 'test1', 'test2', 'three');

$array2 = array_diff($array2, $array1);
print_r($array2);

edited Aug 1, 2014 at 21:13

answered Aug 1, 2014 at 21:07

Gergo Erdosi

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4 Comments

Jared Farrish Over a year ago

Demo: codepad.org/CuOGoeXX

Cab Over a year ago

This is not the thing i need ! as @JaredFarrish showed !

Gergo Erdosi Over a year ago

@Cab I tested the code before I posted it. Added the test code to my answer. Can you please explain what is not working as expected?

Jared Farrish Over a year ago

@Cab - It does exactly what you describe.

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