Which of the following is new operator added in PHP 7?
PHP 7.0 adds a new comparison operator (<=>) to compare expressions. PHP 7.0 adds support for Unicode codepoint escape syntax, to convert an hexadecimal form to the corresponding UTF-8 encoded form. The use statement may group classes, functions, and constants even when imported from the same namespace.
What are the new features added in PHP 7?
The following are some of the new features PHP 7:
- Scalar type declarations.
- Return type declarations.
- Null coalescing operator.
- Spaceship operator.
- Constant arrays using define()
- Anonymous classes.
- Unicode codepoint escape syntax.
Which of the following is new operator added in PHP 7 * 1 point?
Another new operator in PHP 7 is the Null Coalesce Operator. If it is not null it returns the left operand, otherwise, it returns the right operand.
What is type operators in PHP?
PHP language supports following type of operators. Arithmetic Operators. Comparison Operators. Logical (or Relational) Operators. Assignment Operators.
What is current PHP version?
|First appeared||June 8, 1995|
|Stable release||8.0.12 / 21 October 2021|
|Preview release||8.1.0 Beta 1 / 22 July 2021|
|Typing discipline||Dynamic, weak since version 7.0: Gradual|
Is PHP typed?
Because PHP checks the type of variables at runtime, it is often described as a dynamically typed language. A statically typed language on the other hand, will have all its type checks done before the code is executed.
What is PHP used for?
PHP is a server side scripting language that is embedded in HTML. It is used to manage dynamic content, databases, session tracking, even build entire e-commerce sites. It is integrated with a number of popular databases, including MySQL, PostgreSQL, Oracle, Sybase, Informix, and Microsoft SQL Server.
What is a PHP trait?
Traits ¶ … Traits are a mechanism for code reuse in single inheritance languages such as PHP. A Trait is intended to reduce some limitations of single inheritance by enabling a developer to reuse sets of methods freely in several independent classes living in different class hierarchies.
What is PHP call function?
A PHP function provides code that a PHP script can call to perform a task, such as Count(), file_get_contents(), and header(). The PHP language supports both procedural and object-oriented programming paradigms.
Which operator is not present in older versions of PHP?
Note: the exponentiate operator has only been introduced in PHP 5.6. If you are using older versions, it will be invalid.