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# is_executable

(PHP 3, PHP 4 )

is_executable -- Tells whether the filename is executable

## Description

bool is_executable ( string filename)

Returns `TRUE` if the filename exists and is executable.

The results of this function are cached. See clearstatcache() for more details.

This function will not work on remote files; the file to be examined must be accessible via the server's filesystem.

> Note: This function is not available on Win32.

See also is_file() and is_link().

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