For whatever reason, I need to go through a MySQL result set twice. Is there a way to do it? I don’t want to run the query twice and I don’t want to have to rewrite the script so that it stores the rows somewhere and then reuses them later. Answer This is how you can do it: However, I
PHP, in_array and fast searches (by the end) in arrays
I have a doubt about what’s the better way to make a fast search in arrays (I’m talking about an specific case). Supose that I have an array L = [A, B, C] (when I start). While the program is running,…
About form submit with javascript
If I submit forms without input(type=”submit”) and I use a href with javascript, like this: Button Is a way to check …
PHP usort won’t sort class
This is a sample of the array of elemnts to sort: $items = array 0 => object(stdClass)[8] public ‘id’ => string ‘110’ (length=3) public ‘brand_id’ => …
difference between call by value and call by reference in php and also $$ means?
(1) I want to know what is the difference between call by value and call by reference in php. PHP works on call by value or call by reference? (2) And also i want to know that do you mean by $$ sign …
HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK
I am using XAMPP for development. Recently I upgraded my installation of xampp from an old version to 1.7.3. Now when I curl HTTPS enabled sites I get the following exception Fatal error: Uncaught exception ‘RequestCore_Exception’ with message ‘cURL resource: Resource id #55; cURL error: SSL…
Call static method from instance in PHP, future deprecation?
While I understand the $this variable is not available when a method is called in a static context, to assist in decoupling my application components from one-another I figured it would make sense to call static methods from an instance. For example: Are there plans to deprecate this sort of functionality, or…
Populate table contents from PHP array using AJAX
I have a table as below; and a PHP file, ajax.php for AJAX calls as; The PHP function is suppose to return an array with a limited number of elements with respect to $_POST[“page”] like in pagination. The script will return first 5 elements for $page = 1, second 5 elements for $page = 2, etc..etc.…
Fetch data from MySQL using OOP
I’m a beginner in OOP PHP. I’m trying to make a class that will connect,query and fetch data I done the below coding class MySQL { private $set_host; private $set_username; private $…
MySQLi PHP Extension Problems
Whenever a query finishes executing, I know you should free the result. Here is a snippet of a class I built for running a simple query. Could someone tell me where I went wrong? The query, when entered properly, runs successfully. It’s just that my page doesn’t reload like it, should but it gives…