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This article mainly explains how php uses the array_slice () function to intercept arrays. Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how php uses the array_slice () function to intercept arrays.

1. Use array_slice to intercept array fragments of specified length according to the array subscript, and the truncated subarray will be returned.

2. The positions where array_slice begins to split the array are 0, 3, 6 and 9, respectively.

The inner layer of a two-dimensional array contains three elements each.

Example

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