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Sigil (computer programming)

en.wikipedia.org/wiki/Sigil_(computer_programming)

In computer programming, a sigil is a symbol attached to a variable name, showing the variable's datatype or scope, usually a prefix, as in $foo , where $ is the ...

Why do PHP variables need to be preceded with a dollar sign?

programmers.stackexchange.com/questions/124994/why-do-php-variables-need-to-be-preceded-with-a-dollar-sign

I understand that all PHP variables need to be preceded by a dollar sign (e.g. ... I mentioned that PHP variables need to begin with a dollar sign, and I ... I program in PHP (and many other languages) every day, and I can tell ...

What is the purpose of PHP having a symbol (the dollar sign) in front ...

stackoverflow.com/questions/3596474/what-is-the-purpose-of-php-having-a-symbol-the-dollar-sign-in-front-of-each-va

Why PHP variables start with a $ sign symbol? I have looked at other programming languages and it seems that most of them do not have any ...

Why we use dollar ($) symbol before variables in PHP? - Quora

www.quora.com/Why-we-use-dollar-symbol-before-variables-in-PHP

PHP was originally implemented as a set of Perl scripts written by Rasmus to manage his ... Brigitte Jellinek, I teach php to my first year students - because it can't be ... In Perl there are other signs used to begin variable names too, they are ... Many other programming languages use the $ sigil in similar ways, to denote a ...

PHP: Basics - Manual

php.net/manual/en/language.variables.basics.php

Variables in PHP are represented by a dollar sign followed by the name of the variable. ... Variable names follow the same rules as other labels in PHP. A valid variable name starts with a letter or underscore, followed by any number of letters , .... array. isset() language construct can be used to detect if a variable has been  .....

PHP: Variable variables - Manual

php.net/manual/en/language.variables.variable.php

That is, a variable name which can be set and used dynamically. ... In the above example, hello, can be used as the name of a variable by using two dollar signs.

What is dollar sign $? - Computer Hope

www.computerhope.com/jargon/d/dollarsign.htm

Computer dictionary definition for what dollar sign $ means including related links, ... In languages like BASIC, Pascal, and PHP, the dollar sign is used to define ... operating system, users can hide shared folders by adding the dollar sign to ... In Excel and other spreadsheet programs, the dollar sign is used in formulas to .....

Ruby From Other Languages

www.ruby-lang.org/en/documentation/ruby-from-other-languages/

If it starts with a dollar sign ( $ ), it is a global variable. ... In C, Python and many other languages, 0 and possibly other values, such as empty lists, are considered  ...

Language Basics (Programming PHP) - UNIX.org.ua

docstore.mik.ua/orelly/webprog/php/ch02_01.htm

PHP is strongly influenced by other programming languages, such as Perl and C, so if ... You can spread a statement across any number of lines, or lump a bunch of .... Variable names always begin with a dollar sign ($) and are case-sensitive.

PHP Programming/Beginning with "Hello World!" - Wikibooks, open ...

en.wikibooks.org/wiki/PHP_Programming/Beginning_with_"Hello_World!"

Variables are the basis of any programming language: they are "containers" ( spaces in memory) that hold data. The data can be changed, thus it is "variable". ... All variables in PHP follow the format of a dollar sign ...

More Info

syntax - Why PHP variables start with a $ sign symbol? - Stack ...

stackoverflow.com

Because PHP was based on Perl which used $ , though the symbols Perl used were ... There are simply better languages out there with more features, which are ... Prepending all variables with $ makes the code somewhat easier to parse, .... Can PHP be used without the dollar sign $ symbol for variables?

programming languages - Why does PHP have a $ sign in front of ...

stackoverflow.com

It prevents variable names conflicting with language keywords, and allows them to ... In PHP and some other scripting languages have the $var syntax while Java ... Since there are many other languages that have managed to realize this, .... of PHP having a symbol (the dollar sign) in front of each variable?

A lot of computer programming language variable declaration can ...

www.quora.com

First, a point of clarification: while it's true that "$" can occur in variable names in PHP, Java, ... All three languages allow the "_" symbol in variable names, including as the initial character (following ... PERL took the variable marking (the dollar sign represents a "scalar" variable, and other ...