PHP's str_shuffle() function randomly shuffles all characters in a string

Example

Randomly shuffle all characters in string:

<?php
echo str_shuffle("Hello World");
?>

Definition and usage

str_shuffle() Function Randomly shuffle all characters in the string.

Syntax

str_shuffle(string)

Parameters	Description
string	Required. Specifies the string to be scrambled.

Technical details

Return value:	Returns the scrambled string.
PHP version:	4.3.0+

str_shuffle(): Randomly shuffle the string order.

You can generate a different string every time by combining the str_shuffle() function and the substr() function.

The following are two examples of the str_shuffle() function:

Example 1: Randomly generate a string of 10 digits in length.

$str="QWERTYUIOPASDFGHJKLZXCVBNM1234567890qwertyuiopasdfghjklzxcvbnm";
str_shuffle($str);
$name=substr(str_shuffle($str),26,10);
echo $name;

Running result:

bdgNIC04wF

Example 2: A 10-digit string starting with NT is generated.

$str="QWERTYUIOPASDFGHJKLZXCVBNM1234567890qwertyuiopasdfghjklzxcvbnm";
$str='NT'.substr(str_shuffle($str),5,8);
echo $str;

Run result:

NTZYwKiDaF

The above is the detailed content of PHP's str_shuffle() function randomly shuffles all characters in a string. For more information, please follow other related articles on the PHP Chinese website!