PHP Lesson: Basic Syntax
Basic PHP Syntax
<!DOCTYPE html> <html> <body> <h1>My first PHP page</h1> <?php echo "Hello World!"; ?> </body> </html>
Comments in PHP
<?php // This is a single-line comment # This is also a single-line comment /* This is a multiple-lines comment block that spans over multiple lines */ // You can also use comments to leave out parts of a code line $x = 5 /* + 15 */ + 5; echo $x; ?>
Creating (Declaring) PHP Variables
<?php $txt = "Hello world!"; $x = 5; $y = 10.5; ?>
The PHP echo Statement
<?php
$txt1 = "Learn PHP";
$txt2 = "W3Schools.com";
$cars = array("Volvo", "BMW", "Toyota");
echo "<h2>PHP is fun!</h2>";
echo "Hello world!<br>";
echo "I'm about to learn PHP!<br>";
echo "This", " string", " was", " made", " with multiple parameters.";
echo $txt1 . "<br>";
echo "Study PHP at " . $txt2 . "<br>";
echo "My car is a " . $cars[0];
?>
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