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What is && operator in PHP?

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What is && operator in PHP?

The && operator is called logical operator. It returns true if both operands are true.

What is the and symbol in PHP?

PHP Logical Operators

Operator Name Example
and And $x and $y
or Or $x or $y
xor Xor $x xor $y
&& And $x && $y

What is the difference between && and and in PHP?

The difference is the precedence when we compare AND with && operator. The precedence of AND operator is lower than the operator = when the evaluation is performed, therefore even if both the operators do the same work, the result is different.

Why echo is used in PHP?

The echo is used to display the output of parameters that are passed to it. It displays the outputs of one or more strings separated by commas. The print accepts one argument at a time & cannot be used as a variable function in PHP. The print outputs only the strings.

What means & before variable PHP?

It passes a reference to the variable so when any variable assigned the reference is edited, the original variable is changed.

IS & & && the same?

“&&” and “and” both are logical AND operations and they do the same thing, but the operator precedence is different.

IS & and && both are same?

They are both the same thing, they’re just used for two different things to accomplish the same task.

What are the 5 PHP operators?

PHP Operators

  • Arithmetic Operators.
  • Logical or Relational Operators.
  • Comparison Operators.
  • Conditional or Ternary Operators.
  • Assignment Operators.
  • Spaceship Operators (Introduced in PHP 7)
  • Array Operators.
  • Increment/Decrement Operators.

What is syntax in PHP?

The PHP syntax and semantics are the format (syntax) and the related meanings (semantics) of the text and symbols in the PHP programming language. They form a set of rules that define how a PHP program can be written and interpreted.

What are the types of logical arguments?

There are two types of logical arguments – deductive and inductive. Examples of these are: Deductive – This type of reasoning provides complete evidence of the truth of its conclusion.

What is an example of a logical operator?

The logical operators are used to connect two or more Boolean expressions. Examples of logical operators include the AND operator (&&), OR operator (||), and the NOT operator (!). A condition joined with the AND operator is true only when all of the Boolean expressions are true.

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