How to delete the last few elements of an array by php

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PHP, you can use the "array_splice ()" function to delete the last few elements of the array, this function is used to delete the specified elements in the array, as long as the parameter "start" is set to a negative number, you can delete the specified number of elements from the end of the array. The syntax is "array_splice (array, start, number of elements)".

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

How to delete the last few elements of an array by php

You can use the array_splice () function to delete the last few elements of the array, and the array_splice () function to remove the selected element from the array and replace it with a new element. This function will also return an array containing the removed elements.

Tip: if the function does not remove any elements (length=0), the replaced array will be inserted from the location of the start parameter (see example 2).

Note: the key names in the replaced array are not retained.

The syntax for this function is as follows:

Array_splice (array,start,length,array)

Among them, it should be noted that:

Let's take a look at how to delete the last few elements of an array through an example, as follows:

Delete the last two elements of the array

Output result:

Delete the last three elements of the array

Output result:

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