在PHP中,有三种不同的数组合并方式:
$array1 = array("a" => "apple", "b" => "banana");
$array2 = array("b" => "blueberry", "c" => "cherry");
$result = $array1 + $array2;
print_r($result);
输出结果为:
Array
(
[a] => apple
[b] => banana
[c] => cherry
)
$array1 = array("a" => "apple", "b" => "banana");
$array2 = array("b" => "blueberry", "c" => "cherry");
$result = array_merge($array1, $array2);
print_r($result);
输出结果为:
Array
(
[a] => apple
[b] => blueberry
[c] => cherry
)
$array1 = array("a" => "apple", "b" => "banana");
$array2 = array("b" => "blueberry", "c" => "cherry");
$result = array_merge_recursive($array1, $array2);
print_r($result);
输出结果为:
Array
(
[a] => apple
[b] => Array
(
[0] => banana
[1] => blueberry
)
[c] => cherry
)
这些是PHP中常用的数组合并方式,根据具体的需求选择合适的方法进行数组合并。
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