How to determine if there is a folder in php

How to determine whether there is a folder in php: first create a PHP sample file; then use the PHP built-in function "file_exists" to check whether the file or directory exists.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

php language provides the file_exists function, its function is:

file_exists — Check whether a file or directory exists

The function prototype is defined as follows:

bool file_exists ( string $filename )

Sample code:

<?php
$filename = &#39;/path/to/&#39;;
if (file_exists($filename)) {
    echo "$filename exists";
} else {
    echo "$filename does not exist";
}
?>

Recommended learning: "PHP Video tutorial》

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