array_splice() removes the elements designated by offset and length from the input array, and replaces them with the elements of the replacement array, if supplied. It returns an array containing the extracted elements.
If offset is positive then the start of removed portion is at that offset from the beginning of the input array. If offset is negative then it starts that far from the end of the input array.
If length is omitted, removes everything from offset to the end of the array. If length is specified and is positive, then that many elements will be removed. If length is specified and is negative then the end of the removed portion will be that many elements from the end of the array. Tip: to remove everything from offset to the end of the array when replacement is also specified, use count($input) for length.
If replacement array is specified, then the removed elements are replaced with elements from this array. If offset and length are such that nothing is removed, then the elements from the replacement array are inserted in the place specified by the offset. Tip: if the replacement is just one element it is not necessary to put array() around it, unless the element is an array itself.
The following equivalences hold:
Table 1. array_splice() equivalents
|array_push($input, $x, $y)||array_splice($input, count($input), 0, array($x, $y))|
|array_unshift($input, $x, $y)||array_splice($input, 0, 0, array($x, $y))|
|$a[$x] = $y||array_splice($input, $x, 1, $y)|
Returns the array consisting of removed elements.
Example 1. array_splice() examples
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