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<?php $array1 = [ (object) ["email" => "gffggfg"], (object) ["email" => "wefwef@test.it"], (object) ["email" => "wefewf"], ]; $array2 = [ (object) ["email" => "gffggfg@test.it"], (object) ["email" => "wefwef"], (object) ["email" => "wefewf"], ]; var_export( array_diff( array_merge($array1, $array2), array_intersect($array1, $array2) ) );

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