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# is_executable

(PHP 3, PHP 4, PHP 5)

is_executable -- Tells whether the filename is executable

## Description

bool is_executable ( string filename )

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

is_executable() became available with Windows in PHP version 5.0.0.

範例 1. is_executable() example

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

> 注: ��ƪ�G�|�Q�֨�C�ԲӸ�T�аѦ� clearstatcache()�C

> 提示: As of PHP 5.0.0 this function can also be used with some URL wrappers. Refer to 附錄 M for a listing of which wrappers support stat() family of functionality.

See also is_file() and is_link().

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