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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.

Example 1. is_executable() example

<?php

$file = '/home/vincent/somefile.sh';

if (is_executable($file)) {
    echo $file.' is executable';
} else {
    echo $file.' is not executable';
}

?>

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

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

See also is_file() and is_link().

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