随机生成php颜色值
<?php
function getRandomColorHex ( $max_r = 255 , $max_g = 255 , $max_b = 255 ) {
return sprintf ( '#%02X%02X%02X' , rand ( 0 , $max_r ) , rand ( 0 , $max_g ) , rand ( 0 , $max_b ) ) ;
}
// how to use
$color = getRandomColorHex ( ) ;
echo "<font color=' $color '> $color </font> " ;
?>