How to modify ico icon in php

PHP (Hypertext Preprocessor) is a scripting language mainly used for web application development. During the development of web applications, changing a website's icon is a common task. ICO (Icon) icon is one of the file formats that can be used to represent icons for various file types. In a web application, you may want to change the website's ICO icon to create your own identifier or enhance the website's brand image.

This article will introduce how to change the ICO icon of a web application in PHP.

Step 1: Create ICO Icon

Before changing the ICO icon, you need to create an ICO icon and save it in the root directory of the web application. You can create ICO icons using various online tools or icon editors such as Photoshop, GIMP, etc. To ensure icon quality, it is recommended to set the ICO icon size to 16 x 16 pixels, which is the standard size used by web applications and almost all browsers.

Step 2: Modify PHP Code

Next, add the following code in your PHP code to call the ICO icon and apply it to the web application:

<link rel="shortcut icon" href="/favicon.ico" type="image/x-icon">

The above code is included in the web application tag. The link element is used to define the icon of the website and points to the URL address of the ICO icon. favicon.ico is the file name of the ICO icon, /favicon.ico is the file path of the ICO icon, and type="image/x-icon" indicates that the file type is ICO.

Step 3: Save Changes

After completing the above steps, please save your PHP code changes and upload the ICO icon file you created to the root directory of your web application.

Step 4: Refresh the web page

Open the web application and refresh the web page. Now you should be able to see the new icon has been applied to the web application. If you still see the old icon, try clearing your browser cache and reloading the page.

At this point, you have successfully changed the ICO icon of your web application. The size and quality of the ICO icon will determine the visibility and recognition of the web application icon. Therefore, make sure to create ICO icons that meet the standards in terms of size and quality.

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