[英]PHP ArrayObject insert inside the array
How to insert a new value inside ( *in the middle of the array ) the array of the ArrayObject I know how to do it when it's a plain array, like this: 如何在ArrayObject的数组内部( *在数组的中间 )插入一个新值,我知道当它是一个普通数组时如何做到这一点,如下所示:
$array_1 = array(
'0' => 'zero',
'1' => 'one',
'2' => 'two',
'3' => 'three',
);
echo "<pre>";
array_splice($array_1, 2, 0, 'more');
print_r($array_1);
But I don't know if the array is of type object like this: 但是我不知道数组是否是这样的对象类型:
$array_1 = new ArrayObject([ '0' => 'zero',
'1' => 'one',
'2' => 'two',
'3' => 'three']);
Just use append()
like this: 像这样使用
append()
:
$array_1 ->append('xy');
This does pretty much the same as $array[] = "xy";
这和
$array[] = "xy";
几乎一样$array[] = "xy";
for normal arrays. 对于普通数组。
If you want to replace an arrayObject element just use offsetSet()
: 如果要替换arrayObject元素,请使用
offsetSet()
:
$array_1->offsetSet(2, "more");
EDIT: 编辑:
Just use getArrayCopy()
then you can use all array functions as you are familiar with: 只需使用
getArrayCopy()
就可以使用所有熟悉的数组函数:
$array_1 = $array_1->getArrayCopy();
array_splice($array_1, 2, 0, 'more');
$array_1 = new ArrayObject($array_1);
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