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Hack is a programming language for the HipHop Virtual Machine (HHVM), created by Meta (formerly Facebook) as a dialect of PHP. The language implementation is open-source, licensed under the MIT License. [2][3][4] Hack allows programmers to use both dynamic typing and static typing. This kind of a type system is called gradual typing, which is ...
Hack is designed to interoperate seamlessly with PHP, which is a widely used open-source scripting language that has a focus on web development and can be embedded into HTML. A majority of valid PHP scripts are also valid in Hack; however, numerous less frequently used PHP features and language constructs are not supported in Hack.
HHVM. HipHop Virtual Machine ( HHVM) is an open-source virtual machine based on just-in-time (JIT) compilation that serves as an execution engine for the Hack programming language. By using the principle of JIT compilation, Hack code is first transformed into intermediate HipHop bytecode ( HHBC ), which is then dynamically translated into x86 ...
Code injection. Code injection is a class of computer security exploits in which a vulnerable computer program is tricked into misinterpreting external data as part of its code. An attacker thereby "injects" code into the program and changes the course of its execution. The result of successful code injection can be disastrous, for example, by ...
In computing, SQL injection is a code injection technique used to attack data-driven applications, in which malicious SQL statements are inserted into an entry field for execution (e.g. to dump the database contents to the attacker). [1][2] SQL injection must exploit a security vulnerability in an application's software, for example, when user ...
XHP is an augmentation of PHP and Hack developed at Meta (formerly known as Facebook) to allow XML syntax for the purpose of creating custom and reusable HTML elements. It is available as an open-source software GitHub project and as a Homebrew module for PHP 5.3, 5.4, and 5.5. Meta also developed a similar augmentation for JavaScript, named JSX.
Google hacking involves using operators in the Google search engine to locate specific sections of text on websites that are evidence of vulnerabilities, for example specific versions of vulnerable Web applications. A search query with intitle:admbook intitle:Fversion filetype:php would locate PHP web pages with the strings "admbook" and ...
How To Report An Account Hack On Facebook. The “Password and Security” page also includes a list titled “Where You’re Logged in.”. If there’s a log-in that you don’t recognize ...