How PHP uses the is_readable function

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Is_readable-determines whether a given file name is readable

Bool is_readable (string $filename) / / determines whether a given file name exists and is readable.

Parameter: filename: the path to the file.

Return value: returns TRUE if the file or directory specified by filename exists and is readable, otherwise returns FALSE.

$filename ='d:\ test\ test.txt';if (is_readable ($filename)) {echo 'The file is readable';} else {echo' The file is not readable';} / / The file is readable is all the content of this article "how PHP uses is_readable functions". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!