Home  >  Article  >  Backend Development  >  php生成随机颜色方法汇总_php实例

php生成随机颜色方法汇总_php实例

WBOY
WBOYOriginal
2016-06-07 17:14:581259browse

方法一:
随机生成颜色值(例如 FF00FF).

color.php

复制代码 代码如下:

function random_color(){
    mt_srand((double)microtime()*1000000);
    $c = '';
    while(strlen($c)         $c .= sprintf("%02X", mt_rand(0, 255));
    }
    return $c;
}

方法二:

复制代码 代码如下:

function randrgb() 

  $str='0123456789ABCDEF'; 
    $estr='#'; 
    $len=strlen($str); 
    for($i=1;$i     { 
        $num=rand(0,$len-1);   
        $estr=$estr.$str[$num];  
    } 
    return $estr; 
}

方法三:

复制代码 代码如下:

function randColor(){
    $colors = array();
    for($i = 0;$i         $colors[] = dechex(rand(0,15));
    }
    return implode('',$colors);
}

使用方法如下:
随机颜色:#'.randColor().'';?>

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn