In this section, we will simply define what these are without further explanation, as they are predefined classes and interfaces commonly used without us noticing. For example, Throwable is used with exceptions or Closure when creating an anonymous function. If you are interested in any of these classes or interfaces, you can dive deeper into […]

PHP provides a robust mechanism for handling errors and exceptions through its built-in exception classes. These exceptions are organized in a hierarchical structure, making it easier to catch and handle specific types of errors. Predefined Exceptions Class Tree Exception: Exception is the base class for all exceptions in PHP 5 and for all user exceptions […]

In PHP, a generator allows you to write code that uses foreach to iterate over a dataset without needing to load the entire array into memory. Loading an array into memory can exceed memory limits or require a significant amount of processing time to generate. Generators, or generator functions, help address this issue because they […]

In this article, we will look at how $_GET works in PHP. $_GET is an associative array of variables passed to the current script via URL parameters. Let’s see a really simple example. Below, we’ll create a form that passes a name via URL to the same path using $_SERVER['PHP_SELF']. In my case, I have […]

For now, we’ll quickly go over PHP predefined variables, but we will delve deeper into them in future posts that will also be part of PHP 101. Superglobals — These are internal variables that are always available, meaning it doesn’t matter whether you’re in a local or global scope. Superglobal variables: $GLOBALS — Refers to […]