Using duplicates method in Laravel collections

Question

I have two collections and want to find the same or duplicated items inside two collections. My solution is first merging two collections and create one collection and then using duplicates method find the same items, but I have an error.

$t1 = collect([12, 13, 11]);
$t2 = collect([14, 15, 12, 11]);
$t3 = $t1->merge($t2);
$final = $t3->duplicates();

Error

BadMethodCallException Method Illuminate\Support\Collection::duplicates does not exist.

What is the exact version of Laravel you're using?

Rwd
– Rwd

2019-05-14 17:33:24 +00:00
Commented May 14, 2019 at 17:33 — Rwd
– Rwd, Commented May 14, 2019 at 17:33
version 5.8.Thanks

mkt
– mkt

2019-05-14 17:43:37 +00:00
Commented May 14, 2019 at 17:43 — mkt
– mkt, Commented May 14, 2019 at 17:43

mkt · Accepted Answer · 2019-05-14 18:13:28Z

3

my laravel version was 5.8 and i updated project using composer update and now my laravel version is 5.8.17 and my problem soloved.

answered May 14, 2019 at 18:13

mkt

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Comments

Khawlah Elshah · Accepted Answer · 2019-05-14 20:34:09Z

1

if you want to get the items which are present in the two collections, you can use Laravel collection intersect method

answered May 14, 2019 at 20:34

Khawlah Elshah

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