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PHP generally follows C syntax, with exceptions and enhancements for its main use in web development, which makes heavy use of string manipulation. PHP variables must be prefixed by " $ ". This allows PHP to perform string interpolation in double quoted strings, where backslash is supported as an escape character.
PHP is a general-purpose scripting language that is especially suited to server-side web development, in which case PHP generally runs on a web server. Any PHP code in a requested file is executed by the PHP runtime, usually to create dynamic web page content or dynamic images used on websites or elsewhere. [282]
To use PHP with an HTML form, the URL of the PHP script is specified in the action attribute of the form tag. The target PHP file then accesses the data passed by the form through PHP's $_POST or $_GET variables, depending on the value of the method attribute used in the form. Here is a basic form handler PHP script that will display the ...
The code generated after compilation does not demand many system features, and can be invoked from some boot code in a straightforward manner – it is simple to execute. The C language statements and expressions typically map well on to sequences of instructions for the target processor, and consequently there is a low run-time demand on ...
User assistance is a general term for guided assistance to a user of a software product. The phrase incorporates all forms of help available to a user. Assistance can also automatically perform procedures or step users through the procedure, depending on the question that the user asked. The term is broader than online help, and includes ...
Phalanger is a compiler front end for compiling PHP source code into CIL byte-code, which can be further processed by the .NET Framework 's just-in-time compiler. The project was started at Charles University and is supported by Microsoft. Phalanger was discontinued in favor of the more modern PeachPie compiler, which utilizes the Roslyn API.
Deduction theorem. In mathematical logic, a deduction theorem is a metatheorem that justifies doing conditional proofs from a hypothesis in systems that do not explicitly axiomatize that hypothesis, i.e. to prove an implication A → B, it is sufficient to assume A as a hypothesis and then proceed to derive B. Deduction theorems exist for both ...
The machine learning-based attention method simulates how human attention works by assigning varying levels of importance to different words in a sentence. It assigns importance to each word by calculating "soft" weights for the word's numerical representation, known as its embedding, within a specific section of the sentence called the context window to determine its importance.