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<?php $test = array( 'Super red Megaman T-shirt', 'Super Megaman blue T-shirt', 'Super black Megaman T-shirt', 'Super Megaman T-shirt - aquamarine', ); foreach ($test as $item) { $prodCompare[] = str_split($item); } var_dump(join(array_intersect($prodCompare[0], ...$prodCompare)));
Output for git.master_jit, git.master
string(24) "Super re Megaman T-shirt"

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