php is_readable() function
Translation results:
UK [ˈri:dəbl] US [ˈridəbəl]
adj.Easy to read; easy to understand
php is_readable() functionsyntax
Function: Determine whether the specified file name is readable.
Syntax: is_readable(file)
## Parameters:
Description | |
Required. Specifies the documents to be checked. |
Description: Returns TRUE if the file or directory specified by file exists and is readable.
php is_readable() functionexample
<?php $file = is_readable("./test.txt"); if($file == 1) { echo "该文件是可读的"; }else{ echo "该文件不可读"; } ?>