PHP echo() Function

The echo() function is used to output one or more strings.

echo is not a function in PHP. Therefore, the parentheses are not required. Both echo "Hello World"; and echo("Hello World"); are valid syntax.

	Syntax

echo(strings)

Parameters

string - (Required) One or more strings to send to the output.

Printing a string

Example

<?php
  echo "Hello World";
?>

Output

Hello World

Printing Multiple Strings

Example

<?php
  echo "Hi","Hello","Welcome";
?>

Output

HiHelloWelcome

Printing HTML

Example

<?php
  echo "<h1>Hello <u>World</u></h1>";
?>

Output

Hello World

Concatenate Variables and Strings

Example

<?php
  $name = "Ram";
  echo "<br>Hello, ".$name;
  echo "<br>Hello, {$name}";
  echo "<br>Hello, $name";
?>

Output

Hello, Ram
Hello, Ram
Hello, Ram

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