PHP » I/O » is_readable()
- Syntax:
- bool is_readable(string filename)
- filename
- The name of the file to check.
Returns whether a file is readable.
This function returns TRUE if PHP has read access to a specified file and FALSE if it does not. If the file does not exist FALSE is also returned.
Examples
Code:
<?php
$filename = "log.txt";
if (is_readable($filename)) {
print "File is readable";
$logfile = fopen($filename, "r");
} else {
print "Access denied to $filename";
}
?>Output:
File is readableExplanation:
If the file does not exist, or user privileges of PHP do not permit reading of the file, the file cannot be opened.
See Also:
