几个实用的php生成随机颜色函数

php 生成随机颜色

1

function rand_color(){
  $str='0123456789ABCDEF';  
    $estr='#'; 
    $len=strlen($str);  
    for($i=1;$i<=6;$i++)  
    {  
        $num=rand(0,$len-1);    
        $estr=$estr.$str[$num];   
    }  
    return $estr;  
}

function mbw_color(){
    $s = '#';
    $c = array('26a2b6','0085c6','51A351','f0bf4a','ff5c00','bd362f','b9298f','c9c','00b5ad','ff8edf','f00','076FBD','449f04','EE6E33','8F36B1','6cc','6c9','f96');
    shuffle($c);
    foreach($c as $v) {
       return $s.= $v;
    }
}
//自定义固定的颜色在随机

<?php $mbw_color = array('danger','warning','primary','secondary','success')?> //数组

<a href="#" target="_blank" class="<?php echo $mbw_color[array_rand($mbw_color)]?>">标签</a>
<a href="#" target="_blank" class="<?php echo $mbw_color[array_rand($mbw_color)]?>">tag</a>

css
.danger{color:#adc}
.warning{color:#acc}
.primary{color:#add}
.secondary{color:#acc}
.success{color:#aaa}