Online PHP editor | refs for 8f81a

<?php $bonusProgramShops = array( 1 => array( 'name' => 'test1', ), 2 => array( 'name' => 'test2', ), ); $customerOnShops = array(1); array_walk( $bonusProgramShops, function( &$shop, $shopId ) use ( $customerOnShops ) { if ( ! in_array( $shopId, $customerOnShops ) ) { return; } $shop['sameple'] = 'testing'; } ); var_dump( $bonusProgramShops );