How to directly call the method name of js in php-PHP Problem-php.cn

How to directly call the method name of js in php

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Release： 2023-06-01 14:18:18

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How to directly call the js method name in php: 1. Create an html sample file, and ensure that PHP is correctly installed and set up correctly; 2. Create a JavaScript file to store JS functions; 3. On the HTML page Introduce JavaScript files; 4. Use JavaScript's "call_user_func()" method in php to directly call JavaScript functions; 5. Open the html file in the browser and you can see that the js method is successfully called by php.

How to directly call the method name of js in php

Operating system for this tutorial: Windows 10 system, php8.1.3 version, Dell G3 computer.

How php directly calls the js method name:

1. Create an HTML sample file, and ensure that PHP has been installed on the server and the related settings are correct

<!DOCTYPE html>
<html>
<head>
<title>My PHP Page</title>
</head>
<body>
<?php
// This is a PHP comment. It will not be displayed in the browser.
?>
</body>
</html>

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2 , Create a JavaScript file and set the js function

function myFunction() {
  alert("Hello World!");
}

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3. Introduce the JavaScript file into the HTML page

<!DOCTYPE html>
<html>
<head>
<script src="script.js"></script>
</head>
<body>
<?php ?>
</body>
</html>

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4. In the PHP code, you can use the following syntax to call the Function:

<?php
    $jsCode = "myFunction();";
    echo &#39;<script>&#39; . $jsCode . &#39;</script>&#39;;
?>

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5. When the browser opens the html file, you can see that the js method is successfully called by php, and an alert pop-up window appears.

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