How does php determine whether the path is a folder or a file

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In php, you can use if statements and is_dir () and is_file () functions to determine whether the path is a folder or a file. The syntax "if (is_dir ($file)) {echo" is a folder;} else if (is_file ($file)) {echo "is a file".

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

Php determines whether the path is a folder or a file

In php, you can use if statements and is_dir () and is_file () functions to determine whether the path is a folder or a file.

The is_dir () function checks whether the specified file is a directory. This function returns TRUE if the directory exists.

The is_file () function checks whether the specified file is a regular file. This function returns TRUE if the file is a regular file.

Implementation code:

Output result:

If you change the value of $file to "img", you will output:

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