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Sanitization
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2 min read
In WordPress development, sanitization refers to the process of cleaning or escaping user inputs (such as form data) before storing or using them, to prevent security vulnerabilities like Cross-Site Scripting (XSS) or SQL injection attacks. It ensures that only safe and valid data is accepted by your application, safeguarding your website against potential exploits. Key…
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Nonce
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2 min read
In WordPress, a nonce (which stands for Number used once) is a security token used to protect URLs and forms from malicious attacks such as Cross-Site Request Forgery (CSRF). Nonces are temporary, unique tokens that ensure the request being made comes from a trusted source. Key Features of Nonces: Common Use Cases: How Nonces Work…
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PHP lifecycle as a web development
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3 min read
The PHP lifecycle in web development refers to the series of stages a PHP script undergoes during execution. When a web server processes a PHP request, it goes through several key phases, from receiving the request to sending back a response. Here’s a breakdown of the typical lifecycle of a PHP script in the context…
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First Class Callable Syntax
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1 min read
In PHP 8.1 and later, first-class callable syntax allows you to create references to callable functions or methods in a cleaner and more intuitive way using the (…) syntax. Here’s an example: 1. Function Callables You can create a callable for a function like this: function sayHello($name) { return “Hello, $name!”;}$callable = sayHello(…); // First-class…
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Arrow Functions
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1 min read
PHP arrow functions, introduced in PHP 7.4, provide a more concise syntax for anonymous functions. They are particularly useful for short callbacks. Here’s a quick overview: Syntax An arrow function uses the fn keyword and has a simplified syntax: $sum = fn($a, $b) => $a + $b;echo $sum(2, 3); // Outputs: 5 Key Features Example…
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Anonymous Functions
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2 min read
Anonymous functions (also known as closures) in PHP are functions that have no specified name. They are often used as callback functions or for cases where a function is only needed temporarily. Here’s a detailed overview of how they work: Basic Syntax $variable = function ($parameters) { // Code to execute return $value;}; Example: $greet…
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Variable Functions
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2 min read
In PHP, a variable function refers to the ability to call a function dynamically using a variable. This means that the name of the function can be stored in a variable, and you can invoke the function using that variable. Here’s an overview of how variable functions work in PHP: Basic Example <?phpfunction greet() {…
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Numeric String
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2 min read
A numeric string in PHP is a string that contains only numbers or numbers with a decimal point or negative sign. When a string contains such numeric values, PHP may treat it as a number in certain operations due to type juggling, as discussed earlier. Examples of Numeric Strings Here are some examples of valid…
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Type Juggling
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2 min read
In PHP, juggling refers to the implicit conversion of variables between different data types as needed by the context of an operation. PHP is a loosely typed language, so it doesn’t require explicit type declarations. When PHP needs a variable to be in a specific type for a particular operation, it will attempt to automatically…