10.5.6.8. ArrayShift

Explanation	This is used to move the data of the designated scope of a variable array space by space. Based on the array index of src1, move the src3–src4 array scope. For the last value of an array to move, insert 0 in the case of a number array, or null in the case of a string array.
Syntax	ArrayShift <src1>,<src2>,<src3>,<src4>
Parameter	src1	Array name
	src2	Data movement direction	1: ascending order 0: descending order
	src3	Start index of array	V%, LV%, number
	src4	End index of array	V%, LV%, number
Example	1. ArrayShift V10%, 1, 3, 5 => Set V%[15] to V%[14], V%[14] to V%[13], and V%[13] to 0. 2. ArrayShift gtTestArr,0,1,8 => Set gtTestArr[1] to gtTestArr[2], gtTestArr[2] to gtTestArr[3], and gtTestArr[8] to null.
Version	Operation after the V40.23-04_20200730 version