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This article mainly introduces how php changes the value of the last element of the array. It is very detailed and has a certain reference value. Friends who are interested must read it!

Change method: 1, directly re-assign the last element of the array, syntax "$arr [sizeof ($arr)-1] = new value;"; 2, use array_splice () function to replace the value of the last array element, syntax "array_splice ($arr,-1,1," new value ")".

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

Php changes the last value of the array

Method 1: directly reassign the last element of the array ($arr [array length-1])

Method 2: replace the value of the last array element with the array_splice () function

The array_splice () function removes the selected element from the array and replaces it with a new element. Function will also return an array of removed elements.

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