Echo and Print Statements in PHP

PHP echo Statement

Echo statement can produce one or more strings. In general terms, the echo statement browser can be displayed which can display anything, such as the results of string, numbers, variable value, expression etc.

Since echo is a language, there is actually no function (such as statement), you can use it without brackets eg. Echo or resonance () However, if you want to pass more than one parameter to resonate, the parameters should not be added within the brackets.

Example - 

<?php
// Displaying string of text
echo "Hello World!";
?>

Output -

Hello World!

Display HTML Code

Example - 

<?php
// Displaying HTML code
echo "<h4>This is a simple heading.</h4>";
echo "<h4 style='color: red;'>This is heading with style.</h4>"
?>

Output -

This is a simple heading.

This is heading with style.

Display Variables

Example - 

<?php
// Defining variables
$txt = "Hello World!";
$num = 123456789;
$colors = array("Red", "Green", "Blue");

// Displaying variables
echo $txt;
echo "<br>";
echo $num;
echo "<br>";
echo $colors[0];
?>

output-

Hello World! 
123456789 
Red

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