How to use php echo

php echo is used to output one or more strings. Its syntax is "echo(strings)". The parameter strings represents one or more strings to be sent to the output, and echo is not actually a function. So no need to use parentheses on it.

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php echo definition and usage

echo() function outputs one or more strings.

Note: The echo() function is not actually a function, so you don't have to use parentheses with it. However, if you wish to pass more than one argument to echo(), using parentheses will generate a parsing error.

Tip: The echo() function is slightly faster than print().

Tip: The echo() function also has abbreviated syntax. Prior to PHP 5.4.0, this syntax only worked if the short_open_tag configuration setting was enabled.

Syntax

echo(strings)

Parameters

strings Required. One or more strings to send to the output.

Return value: No return value.

PHP version: 4

Example

Write the value of the string variable ($str) to the output:

<?php
$str = "Hello world!";
echo $str;
?>

Run result:

Hello world!

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