How does php determine whether a picture exists?

This article will explain in detail how to judge the existence of a picture by php. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

In php, you can use the file_exists () function to determine whether a picture exists, this function can detect the existence of a file or directory, syntax format "file_exists (picture file path)"; if the picture file exists, return true, otherwise return false.

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

In php, you can use the file_exists () function to determine whether a picture exists.

Output result:

Let's take a brief look at the file_exists () function:

The file_exists () function checks whether a file or directory exists. Returns true if the specified file or directory exists, false otherwise.

Syntax: file_exists (path)

The parameters are described as follows:

Path: required. Specify the path to be checked.

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