posix_access
PHP 5 >= 5.1.0, PHP 7, PHP 8
posix_access - Determine accessibility of a file
Manual
posix_access(
string$filename,
[int$flags = 0] ): bool
posix_access checks the user's permission of a file.
Parameters
- filename
-
The name of the file to be tested.
- flags
-
A mask consisting of one or more of POSIX_F_OK, POSIX_R_OK, POSIX_W_OK and POSIX_X_OK.
POSIX_R_OK, POSIX_W_OK and POSIX_X_OK request checking whether the file exists and has read, write and execute permissions, respectively. POSIX_F_OK just requests checking for the existence of the file.
Return Values
Returns true on success or false on failure.