How to store 10 numbers in an array in php and sum them

Implementation method: 1. Use the array() function to declare an array and store 10 numbers. The syntax "$arr=array(value 1, value 2, value 3, value 4, value 5... Value 10);"; 2. Use array_sum() to calculate the sum of all elements in the array, the syntax is "array_sum($arr)".

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

" Store 10 numbers in the array And sum " can be seen as two parts:

• Declare an array and store 10 numbers

• Calculate the array The sum of all elements

In PHP, there are two functions that can implement the above two parts respectively: array() function and array_sum() function

Let’s follow Let’s take a closer look.

1. Use the array() function to declare an array and store 10 numbers

<?php
header(&#39;content-type:text/html;charset=utf-8&#39;);   
$arr=array(1,2,3,4,5,6,7,8,9,10);
var_dump($arr);
?>

2. Use the array_sum() function to calculate the sum of all elements in the array

$sum=array_sum($arr);//求和
echo "数组元素之和：".$sum;

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