How to output string to html in php-PHP Problem-php.cn

How to output string to html in php

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Release： 2023-02-25 17:18:02

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Let’s take a look at an example first

How to output string to html in php

Output HTML tag (Recommended learning: PHP video tutorial)

<?php
$name = "张三";
?>
<html>
<head></head>
<body>
<p>你好，<?php echo $name; ?>先生。</p>
</body>
</html>

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The output is as follows

你好，张三先生。

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The value assigned to the variable $name will be expanded and displayed as part of the HTML.

It is also possible to assign HTML tags to variables and display them.

<?php
$name = "张三";
?>
<html>
<head></head>
<body>
<p>你好，
<?php
$span = "<span style=&#39;color:red&#39;> $name 先生。</span>";
echo $span;
?>
</p>
</body>
</html>

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The output results are as follows:

你好，张三先生。

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In the above results, Mr. Zhang San will be displayed in red.

The variable $span contains HTML tags. When echo is used to output, the label part is recognized as a normal HTML markup and displayed.

Form processing

By making the target of an HTML form a PHP file, you can use that PHP file to process the data sent from the form.

Create a form using HTML.

<html>
<head></head>
<body>
<form action="form.php" method="post">
  名称: <input type="text" name="name" /><br>
  <input type="submit" />
</form>
</body>
</html>

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Fill out this form and press the submit button to send the form data to form.php.

Output data from form

I will output the data sent from the form above.

For data sent using POST, you can get $_POST['Element Name'], and for data sent using GET, you can get $_GET['Element Name'].

Use echo output.

你好，<?php echo $_POST[&#39;name&#39;]; ?>先生。

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Enter "Zhang San" in the above form and press the send button, it will be displayed as follows.

你好，张三先生。

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