php return array

1. Can a PHP function return an array?
2. How can I return two arrays in PHP?
3. How do I echo an array in PHP?
4. What is return in PHP function?
5. What does PHP stand for?
6. Can PHP function return multiple values?
7. What is void PHP?
8. How a variable is declared in PHP?
9. What does isset () function do in PHP?
10. How for each loop works in PHP?
11. What is the difference between ECHO and Print_r in PHP?
12. What does Print_r do in PHP?

Can a PHP function return an array?

In PHP you can return one and only one value from your user functions, but you are able to make that single value an array, thereby allowing you to return many values.

How can I return two arrays in PHP?

First, create an empty array end push the element to the array and then return the array. Example 2: This example uses list function to store the swapped value of variable. It is used to assign array values to multiple variables at the same time.

How do I echo an array in PHP?

To see the contents of array you can use. 1) print_r($array); or if you want nicely formatted array then: echo '<pre>'; print_r($array); echo '</pre>'; 2) use var_dump($array) to get more information of the content in the array like datatype and length.

What is return in PHP function?

Definition and Usage. The return keyword ends a function and, optionally, uses the result of an expression as the return value of the function. If return is used outside of a function, it stops PHP code in the file from running.

What does PHP stand for?

PHP (recursive acronym for PHP: Hypertext Preprocessor ) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML.

Can PHP function return multiple values?

A function can not return multiple values, but similar results can be obtained by returning an array.

What is void PHP?

A void return type has been introduced. Functions declared with void as their return type must either omit their return statement altogether, or use an empty return statement. null is not a valid return value for a void function.

How a variable is declared in PHP?

In PHP, a variable is declared using $ sign followed by variable name. The main way to store information in the middle of a PHP program is by using a variable.

What does isset () function do in PHP?

PHP isset() Function

The isset() function checks whether a variable is set, which means that it has to be declared and is not NULL. This function returns true if the variable exists and is not NULL, otherwise it returns false.

How for each loop works in PHP?

The foreach loop is mainly used for looping through the values of an array. It loops over the array, and each value for the current array element is assigned to $value, and the array pointer is advanced by one to go the next element in the array. Syntax: <?

What is the difference between ECHO and Print_r in PHP?

The print and echo are both language constructs to display strings. The echo has a void return type, whereas print has a return value of 1 so it can be used in expressions. The print_r is used to display human-readable information about a variable.

What does Print_r do in PHP?

It is an inbuilt function that is used in PHP to print or display the information stored in a variable. Basically it prints human-readable information about a variable. If the variable is a string, integer or float, the value itself will be printed.