Found a total of 2 related content
PHP function to determine file type
Article Introduction:In PHP, we often need to process according to the type of file, such as scaling and cropping different types of pictures. In this case, it is very important to determine the file type. So, this article will introduce several commonly used PHP functions to determine file types. mime_content_type function In versions prior to PHP5.3, you can use the mime_content_type function to obtain the MIME type of the file. The syntax of this function is as follows: string
2023-06-15
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1201
PHP determines whether images in a folder exist
Article Introduction:When developing PHP program cases, it is often necessary to determine whether a certain type of file exists in a certain folder, such as pictures. This kind of judgment can help us solve some problems in website development. For example, when users upload pictures, they need to check whether the pictures are uploaded successfully. This article will introduce how PHP determines whether images in a folder exist. There are many ways to determine whether the image files in the folder exist. We will explain them separately below. Method 1: Use the glob() function. The glob() function can get all the files in the folder.
2023-05-06
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362