is_readable
Tells whether a file exists and is readable
&reftitle.description;
boolis_readable
stringfilename
Tells whether a file exists and is readable.
&reftitle.parameters;
filename
Path to the file.
&reftitle.returnvalues;
Returns &true; if the file or directory specified by
filename exists and is readable, &false; otherwise.
&reftitle.errors;
&fs.emits.warning.on.failure;
&reftitle.examples;
is_readable example
]]>
&reftitle.notes;
Keep in mind that PHP may be accessing the file as the user
id that the web server runs as (often 'nobody').
¬e.clearstatcache;
&tip.fopen-wrapper.stat;
The check is done using the real UID/GID instead of the effective one.
This function may return &true; for directories. Use
is_dir to distinguish file and directory.
&reftitle.seealso;
is_writable
file_exists
fgets