PHP - echo() Function

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The PHP echo() function is used to display output, including one or more strings, non-string values, or expressions. It can accept various data types, such as strings, numbers, arrays, and more.

Syntax

Following is the syntax of the PHP echo() function −

echo(string ...$exp): void

Parameters

Following is the parameter of this function −

• exp: One or more expressions to output, which can be strings or other data types, separated by commas.

Return Value

This function does not return any value.

Example 1: Printing a statement

The following program demonstrates the usage of the PHP echo() function −

<?php
   #echo "Welcome to Tutorialspoint"; or,
   echo ("Welcome to Tutorialspoint");
?>

Output

The above program produces the following output −

Welcome to Tutorialspoint

Example 2: Statement Along with Argument

Following is another example of the PHP echo() function. This function is used to display (print) a statement along with an argument −

<?php
   $name = "Aman Gupta";
   echo ("My name is $name");
?>

Output

Once the above program is executed, it displays the following output −

My name is Aman Gupta

Example 3: Printing Non-String Expressions

This example shows how to display the result of a non-string argument using the PHP echo() function −

<?php
   #echo 2*5 or
   echo (2*5);
?>

Output

Following is the output of the above program −

10

Example 4: Value Based on Condition

The example below uses the PHP echo() function to display a value based on the given condition −

<?php
   $isValid = true;
   #echo $isValid ? 'Valid' : 'Invalid'; or
   echo ($isValid ? 'Valid' : 'Invalid');
?>

Output

After executing the above program, the following output will be displayed −

Valid