Add Array Item
To add items to an existing array, you can use the bracket [] syntax.
Add one more item to the fruits array:
$fruits = array("Apple", "Banana", "Cherry");
$fruits[] = "Orange";
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Associative Arrays
To add items to an associative array, or key/value array, use brackets [] for the key, and assign value with the = operator.
Example
Add one item to the car array:
$cars = array("brand" => "Ford", "model" => "Mustang");
$cars["color"] = "Red";
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Add Multiple Array Items
To add multiple items to an existing array, use the array_push() function.
Example
Add three item to the fruits array:
$fruits = array("Apple", "Banana", "Cherry");
array_push($fruits, "Orange", "Kiwi", "Lemon");
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Add Multiple Items to Associative Arrays
To add multiple items to an existing array, you can use the += operator.
Example
Add two items to the cars array:
$cars = array("brand" => "Ford", "model" => "Mustang");
$cars += ["color" => "red", "year" => 1964];
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