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What three types of code can be included in a PHP program?

angryTom
angryTomOriginal
2019-10-18 16:02:563555browse

What three types of code can be included in a PHP program?

What three types of codes can be included in a PHP program?

The codes that can be included are html, css, and JavaScript. When using the mixed writing method, the file name needs to end with .php, otherwise the PHP code cannot be parsed normally.

index.php:

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
/*css*/
body{
background: #eee;
}
</style>
</head>
<body>
<!-- html -->
<p>html</p>
<!-- JavaScript -->
<script>
alert(123);
</script>
</body>
</html>
<?php
    echo &#39;www.php.cn&#39;;
?>

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