Question: What Does => Mean In PHP?

What is the meaning of -> in PHP?

object operatorThe object operator, -> , is used in object scope to access methods and properties of an object.

It’s meaning is to say that what is on the right of the operator is a member of the object instantiated into the variable on the left side of the operator.

Instantiated is the key term here..

What is PHP good for?

PHP is mainly focused on server-side scripting, so you can do anything any other CGI program can do, such as collect form data, generate dynamic page content, or send and receive cookies. But PHP can do much more. There are three main areas where PHP scripts are used. Server-side scripting.

Why echo is used in PHP?

PHP echo statement can be used to print the string, multi-line strings, escaping characters, variable, array, etc. … echo is a statement, which is used to display the output. echo can be used with or without parentheses: echo(), and echo. echo does not return any value.

Which is data type in PHP?

Data Types in PHP PHP supports total eight primitive data types: Integer, Floating point number or Float, String, Booleans, Array, Object, resource and NULL. These data types are used to construct variables.

Is PHP good in 2020?

It’s no secret among web developers and programmers in general: PHP doesn’t have the best reputation. While many of the arguments against PHP still stand today, there’s also a bright side: you can write clean and maintainable, fast and reliable applications in PHP. …

Is PHP used for front end?

PHP is a programming language for back end development only. JavaScript, in turn, was initially designed as a front end development language. But with the introduction of Node. … Today, you can develop the entire app with JavaScript, both client side and server side.

What does sign mean PHP?

What is Operators in PHP. Operators are symbols that tell the PHP processor to perform certain actions. For example, the addition ( + ) symbol is an operator that tells PHP to add two variables or values, while the greater-than ( > ) symbol is an operator that tells PHP to compare two values.

What is the use of symbol in PHP?

The at sign (@) is used as error control operator in PHP. When an expression is prepended with the @ sign, error messages that might be generated by that expression will be ignored. If the track_errors feature is enabled, an error message generated by the expression and it will be saved in the variable $php_errormsg.

What is PHP full form?

PHP is an acronym for “PHP: Hypertext Preprocessor” PHP is a widely-used, open source scripting language. PHP scripts are executed on the server.

Why do we use symbol?

Symbols have two main use cases:“Hidden” object properties. If we want to add a property into an object that “belongs” to another script or a library, we can create a symbol and use it as a property key. … There are many system symbols used by JavaScript which are accessible as Symbol. * .

Why is PHP so bad?

Developers hate PHP because it’s a technically inconsistent language with a bad design. When you compare it to other languages the contrast is obvious. … It’s very easy to make bad and insecure code with PHP. But PHP is not a security hole or doomed to ugly code if you code properly.