There are two useful functions for enquiring about the content of an array. If you want to know if an array contains any element at all, one can ask if it is empty with the empty function. ISSET returns TRUE if the variable exists and has a value other than NULL. That means variables assigned a “”, 0, …
An array can be sorted in different ways, so there are a lot of chances that the order that we need is different from the current one. By default, the array is sorted by the order in which the elements were added to it, but we can sort an array by its key or by its value, both …
PHP is the language that allows the developer to be more specific about what functions are getting and returning. Also, we have seen the implementation of the user-defined functions in PHP in our previous post: https://padhle.com/functions-in-php-user-defined/ We can—always optionally— specify the type of argument that the function needs (type hinting), and the type of result the function …
It did not take long for people to realize that entire framework were reusable too. As there are many other examples in the IT world, loads of frameworks started to appear. You will never hear about most of them, but a handful of these frameworks got quite a lot of users. As we write, there …
Prepared statement is a feature used to execute the same SQL statements repeatedly with high efficiency. Prepared statements are very useful against SQL injections. As we have seen the conventional methods of executing the queries in the following posts: PDO php data objects introduction PDO performing queries in-Php PDO provides the ability to prepare a …