Php Srand

Srand (PHP3, PHP4) srand---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Set random number seed syntax: void srand (int seed); Description: Set the number of seeds seed. Example: <?php//seed with M ...

A simple interactive website example-Simple banner dynamic replacement (vi) 9. Simple banner dynamic replacement do not know if we have found the major sites on the banner of advertising banner, each time we visit these sites, will see a different advertising icon, or if you refresh the page every time, these ads banner will constantly change the random replacement. To achieve this effect although the use of JavaScript can also be achieved (like the Tenkine station of the dynamic transformation of advertising banner is by invoking JavaScript to achieve) ...

In PHP to generate a CAPTCHA image is quite simple, because in PHP for us to provide a graphics Gd.dll library, to enable the GD graphics library we just php.ini in the PHP-GD front; Method a $authnum = '; $ychar = "0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z&qu ...

Recent learning URL jump when new into three PHP encryption and decryption function is very good, looks like the discuz ... Use these encryption to decrypt the reason is because sometimes their own URL address was acquired after you want to break inside the value of the content you must know your key, no key, he should be broken for a while to know the content of your URL. Pack them into a file called fun.php bar <?php function Passport_encrypt ...

function readable_random_string ($length = 6) {$conso =array ("B", "C", "D", "F", "G", "H", "J", "K", "L", "m&quo ...)

Array_rand (PHP4 >= 4.0.0) array_rand---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Randomly select one or more values of an array syntax: Mixed array_rand (array input [, int num_req]) Description: Array_ran ...

Mt_srand (PHP3 >= 3.0.6, PHP4) mt_srand---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Set random number seed syntax: void mt_srand (int seed); Description: Set the number of seeds seed. Example: <?php ...

Shuffle (PHP3 >= 3.0.8, PHP4 >= 4.0b4) Shuffle---&http://www.aliyun.com/zixun/aggregation/37954.html "> nbsp; To confuse the order of an array syntax: void Shuffle (array array); Description: This function sorts the element order of the array arbitrarily. Exampl ...