在数组PHP中添加新值

$myArray = array("apple", "banana", "orange");
array_push($myArray, "grape");

// 输出数组
print_r($myArray);

Array
(
    [0] => apple
    [1] => banana
    [2] => orange
    [3] => grape
)

$myArray = array("apple", "banana", "orange");
$myArray[] = "grape";

// 输出数组
print_r($myArray);

$myArray = array("fruit1" => "apple", "fruit2" => "banana");
$myArray["fruit3"] = "orange";

// 输出数组
print_r($myArray);

Array
(
    [fruit1] => apple
    [fruit2] => banana
    [fruit3] => orange
)