Sometimes you need to use an ArrayList. It can be when you’re lazy or when you want flexibility. Eventually, you’ll want to get away from the ArrayList and use your stores objects as standard object array. Doing this isn’t very complicated but it is slightly hidden.
We’re going to pretend for a moment that we have [...]
I needed to use a cookie to store a hash string so a user would be remembered the next time they come to visit a site. I was required to store their user id (numeric) and also a secret string that gets hashed. This typically would have required two cookies but I didn’t want two [...]
Mootools doesn’t offer a native way to randomize an array but it does offer a way to get a single random element from an array.
You can extend Mootools to have an Array.randomize method. It’s really easy to do.
Array.implement({
randomize: function() {
return this.sort(function() {return 0.5 – Math.random();});
}
});
Now you can easily call randomize on an array and you’ll [...]
There is a function called array_rand but it only returns the key for a random element in an array. So here’s a quick function for you that can do it all in just a couple of lines.
function array_random($array) {
return $array[array_rand($array)];
}
Yes, the word array does appear four times, but that isn’t to confuse you but make [...]