How to add field values ​​in php

php method to add field values: 1. Use the array_column() function to return the value of a single column in the input array; 2. Use the array_sum() function to return the sum of the values ​​in the array. .

#The operating environment of this article: Windows 7 system, PHP version 7.4, Dell G3 computer.

How to add field values ​​in php?

Add a field value in a PHP array (summation)

Use the array function: array_column() to return the value of a single column in the input array

Use the array sum function: array_sum() to return the sum of the values ​​in the array

array(6) {
  [0]=>
  array(1) {
    ["pv"]=>
    string(4) "1.72"
  }
  [1]=>
  array(1) {
    ["pv"]=>
    string(4) "1.88"
  }
  [2]=>
  array(1) {
    ["pv"]=>
    string(5) "22.90"
  }
  [3]=>
  array(1) {
    ["pv"]=>
    string(4) "2.29"
  }
  [4]=>
  array(1) {
    ["pv"]=>
    string(4) "2.04"
  }
  [5]=>
  array(1) {
    ["pv"]=>
    string(4) "1.81"
  }
}

Find the sum of the pv values ​​in the array

$res = array_sum(array_column($att,'pv'));

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