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Immediately invoked function expressions can be used to avoid variable hoisting from within blocks, protecting against polluting the global environment and simultaneously allowing public access to methods while retaining privacy for variables defined within the function. In other words, it wraps functions and variables, keeping them out of the ...
JsPHP is a cross-browser JavaScript library designed to make the PHP application programming interface (API) available in JavaScript environments. It was started by Kevin van Zonneveld as php.js and released as an open-source project in 2008.
In computer science, a programming language is said to have first-class functions if it treats functions as first-class citizens.This means the language supports passing functions as arguments to other functions, returning them as the values from other functions, and assigning them to variables or storing them in data structures. [1]
RFC 3875 "The Common Gateway Interface (CGI)" partially defines CGI using C, [2] in saying that environment variables "are accessed by the C library routine getenv() or variable environ". The name CGI comes from the early days of the Web, where webmasters wanted to connect legacy information systems such as databases to their Web servers.
In computer science, message passing is a technique for invoking behavior (i.e., running a program) on a computer. The invoking program sends a message to a process (which may be an actor or object ) and relies on that process and its supporting infrastructure to then select and run some appropriate code.
Store-passing style is a programming technique that is used to model mutable state without using mutable state. [1] [2] It generally arises in the conversion of imperative programs into purely functional ones. So, for instance, consider this JavaScript program, written in a non-store-passing-style:
The specification for pass-by-reference or pass-by-value would be made in the function declaration and/or definition. Parameters appear in procedure definitions; arguments appear in procedure calls. In the function definition f(x) = x*x the variable x is a parameter; in the function call f(2) the value 2 is the argument of the function. Loosely ...
Since PHP 4.0.1 create_function(), a thin wrapper around eval(), allowed normal PHP functions to be created during program execution; it was deprecated in PHP 7.2 and removed in PHP 8.0 [226] in favor of syntax for anonymous functions or "closures" [227] that can capture variables from the surrounding scope, which was added in PHP 5.3.