如何修改数组，使所有键都增加 1
我有一个数组，
$arr[0] = 'zero'
$arr[1] = 'one'
$arr[2] = 'two'
$arr[3] = 'three'
我希望能够在某个点推入一个值，并将这个新值后面的键推入一个，最终得到：
$arr[0] = 'zero'
$arr[1] = 'one'
$arr[2] = 'my new value' //keys before remain the same, keys after are increased by 1
$arr[3] = 'two'
$arr[4] = 'three'
是否有一个不涉及 foreach< 的简单解决方案/code> 或者这是我唯一的解决方案？
I have this array
$arr[0] = 'zero'
$arr[1] = 'one'
$arr[2] = 'two'
$arr[3] = 'three'
I want to be able to push a value in at a certain point and push the keys which follow this new value up by one so ending up with:
$arr[0] = 'zero'
$arr[1] = 'one'
$arr[2] = 'my new value' //keys before remain the same, keys after are increased by 1
$arr[3] = 'two'
$arr[4] = 'three'
Is there a simple solution which does not involve a foreach or is that my only solution?
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