从给定字符串中选择随机字符的方法 [英] a method of selecting random characters from given string

问题描述

任何人都可以通过使用PHP从给定字符串中提取随机字符的位置和值的解决方案来帮助我.例如，我有一个字符串变量$ string ='helloworld';并希望从$ string中随机选择一个字符并回显该字符及其位置.

Can anyone help me with a solution that pulls the position and value of a random character from a given string using PHP. For example I have a a string variable $string = 'helloworld'; and would like to randomly select a character from $string and echo the character and its position.

推荐答案

$str = 'helloworld';

$randomChar = $str[rand(0, strlen($str)-1)];

CodePad .

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