is_executable()

is_executable() — Tells whether the filename is executable.

Built-in function of PHP 8.5. The manual lists it as available in PHP 4, PHP 5, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.

Signature

is_executable(string $filename): bool

Parameters

Return value

Returns true if the filename exists and is executable, or false on error. On POSIX systems, a file is executable if the executable bit of the file permissions is set. For Windows, see the note below.

Example

A runnable snippet:

$file = '/home/vincent/somefile.sh'; if (is_executable($file)) { echo $file.' is executable'; } else { echo $file.' is not executable'; }

See also

is_file(), is_link()

All PHP 8.5 built-in functions

Reference card built from the PHP manual page is_executable() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.