How to remove the last element from an array in php

Method to remove the last element: 1. Use array_pop() to delete, syntax "array_pop($arr);"; 2. Use array_slice() to delete, set the second parameter to 0, and the third Just set the first parameter to "-1", the syntax is "array_slice($arr,0,-1)"; 3. Use array_splice() to delete, just set the second parameter to "-1", the syntax is "array_splice ($arr,-1)".

The operating environment of this tutorial: windows7 system, PHP8 version, DELL G3 computer

php provides a variety of methods to delete array elements. The following article will introduce to you several methods to remove the last element in an array.

Method 1: Use the array_pop() function to delete

The array_pop() function deletes the last element in the array.

Method 2. Use array_slice() function to delete

array_slice() function is provided by PHP A function used to intercept an array. It can extract a fragment from the array and return the selected part of the array.

Just set the second parameter of the function to 0 and the third parameter to It is -1. You can intercept other array elements except the last element and return them.

Method 3. Use array_splice() function to delete

array_splice() is a powerful Functions have multiple functions: array elements can be inserted, array elements can be replaced, and of course array elements can be deleted (after all, the job of the array_splice() function is to delete specified elements and replace them with other values).

The array_splice() function can delete the specified number of elements starting from the specified position.

• array_splice($arr,$start,$length)will delete the specified $length# starting from the $start position ##number of elements.

$start parameter to -1, at this time $lengthThe parameter can be set to 1 or omitted.

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