Filter array based on second array

Question

I have an array $data and it is required to be filtered based on another array $clr. I have done it by foreach and solved my purpose but I am looking for an optimum way like map or filter. What I have tried is:

$clr = [1, 2, 4, 6, 8, 13, 21];
$data = [2, 3, 8];

foreach($clr as $val)
{
    if(($key = array_search($val, $data)) !== false) unset($data[$key]);
}

print '<pre>';
print_r($data);

Any of your suggestion will be appreciated.

@SahilGulati should be $data = array_diff($data,$clr); you got the parameter order wrong — bansi
– bansi, Commented May 8, 2017 at 9:52
you can use array_filter as well. have a look at 3v4l.org/i53Ma — Chetan Ameta
– Chetan Ameta, Commented May 8, 2017 at 9:57

LF-DevJourney · Accepted Answer · 2017-05-08 09:51:27Z

2

You can use array_diff($data, $clr); live demo.

edited May 8, 2017 at 9:51

answered May 8, 2017 at 9:49

LF-DevJourney

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1 Comment

u_mulder Over a year ago

I think $data should be first argument.

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