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PHP echo() Function

PHP String Reference Complete PHP String Reference

Definition and Usage

The echo() function outputs one or more strings.

Syntax

echo(strings)

Parameter Description
strings Required. One or more strings to be sent to the output

Tips and Notes

Note: The echo() function is not actually a function, so you are not required to use parentheses with it. However, if you want to pass more than one parameter to echo(), using parentheses will generate a parse error.

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

Tip: The echo() function has the following shortcut syntax. See example 5.

Example 1

<?php
$str = "Who's Kai Jim?";
echo $str;
echo "<br />";
echo $str."<br />I don't know!";
?>

The output of the code above will be:

Who's Kai Jim?
Who's Kai Jim?
I don't know!

Example 2

<?php
echo "This text
spans multiple
lines.";
?>

The output of the code above will be:

This text spans multiple lines.

Example 3

<?php
echo 'This ','string ','was ','made ','with multiple parameters';
?>

The output of the code above will be:

This string was made with multiple parameters

Example 4

Difference of single and double quotes. Single quotes will print the variable name, not the value:

<?php
$color = "red";
echo "Roses are $color";
echo "<br />";
echo 'Roses are $color';
?>

The output of the code above will be:

Roses are red
Roses are $color

Example 5

Shortcut syntax:

<html>
<body>

<?php
$color = "red";
?>

<p>Roses are <?=$color?></p>

</body>
</html>

PHP String Reference Complete PHP String Reference
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