Online PHP editor | refs for SBuUE

<?php $array1 = [ (object) ["email" => "gffggfg"], (object) ["email" => "wefwef@test.it"], (object) ["email" => "wefewf"], ]; $array2 = [ (object) ["email" => "gffggfg@test.it"], (object) ["email" => "wefwef"], (object) ["email" => "wefewf"], ]; var_export( array_values( array_column($array1, null, 'email') + array_column($array2, null, 'email') ) );