Online PHP editor | refs for CmahA

<?php $array = []; // Create empty array var_dump($array); echo "-----\n"; $array = ['abc']; // Assign the value ['abc'] (array with one element 0 => 'abc' to $array) var_dump($array); echo "-----\n"; $array[] = 'abc'; // Add a new element to the array 'abc' var_dump($array); echo "-----\n"; $array += [0 => 'NEWabc', 4 => 'anotherABC']; // Concats two arrays, but the key [0] is already existing in the left-handside array so it ignores the first value from the right hand side array and only adds the second element (key 4 is not existing) var_dump($array);