3v4l.org

run code in 300+ PHP versions simultaneously
<?php $car = (object)[ 'general' => [ 'interior' => [ 'seats' => 'destroyed' ] ], 'other' => [ 'exterior' => [ 'hood' => 'dull' ] ] ]; $exteriorProperties = [ 'hood' => 'shiny', 'windows' => 'dirty' ]; var_export( json_decode( json_encode( array_replace_recursive( (array)$car, ['other' => ['exterior' => $exteriorProperties]] ) ) ) );
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
(object) array( 'general' => (object) array( 'interior' => (object) array( 'seats' => 'destroyed', ), ), 'other' => (object) array( 'exterior' => (object) array( 'hood' => 'shiny', 'windows' => 'dirty', ), ), )
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34
stdClass::__set_state(array( 'general' => stdClass::__set_state(array( 'interior' => stdClass::__set_state(array( 'seats' => 'destroyed', )), )), 'other' => stdClass::__set_state(array( 'exterior' => stdClass::__set_state(array( 'hood' => 'shiny', 'windows' => 'dirty', )), )), ))

preferences:
132.2 ms | 408 KiB | 5 Q