How to define an array and find the maximum value in php language

Method: 1. Use array() to define and initialize the array. The syntax is "$array variable name=array(key1=>value1,key2=>value2...,keyN=>valueN); "; 2. Use max() to obtain the maximum value of the defined array, the syntax is "max($array variable name)".

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

Define in php language A method to find the maximum value of an array

Step 1. Use the array() function to define and initialize the array

You can use array() function to create a new array. It accepts a certain number of key=>value parameter pairs separated by commas. The syntax format is as follows:

$数组变量名 = array(key1 => value1, key2 => value2, ..., keyN => valueN);

key can be omitted, that is, you can not use the => symbol to specify the subscript, and the default is the index array. The default index value also starts from 0 and increases in sequence.

<?php
header("Content-type:text/html;charset=utf-8");
$arr=array(43,2,3,48,26,3,7,8,0,23);
var_dump($arr);
?>

Step 2. Use the built-in function max() to get the maximum value of the array

max() function can return an array The maximum value in

echo "数组最大值为： ".max($arr)."<br>";

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