How to remove 0 elements from an array in php

In php, you can use the array_diff() function to remove 0 elements in the array. This function is used to compare the values ​​​​of two arrays and return the difference set. You only need to use an array containing "0" and Just compare the original array; the syntax format is "array_diff($arr, [0])".

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

php removes the array Elements that are 0

In PHP, you can use the array_diff() function to remove 0 elements from the array. Syntax: array_diff($arr, [0])

Example:

<?php
// 清除数组中指定元素
$arr = [1,2,3,0,1];
$arr = array_diff($arr, [0]);//输出[1,2,3,1]
var_dump($arr);
?>

Output result:

Description:

array_diff() function is used to compare the values ​​of two (or more) arrays and return the difference set.

This function compares the values ​​​​of two (or more) arrays (key=>value in value), and returns a difference array, which includes all the arrays being compared (array1 ), but not in any other parameter array (array2 or array3, etc.).

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