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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.

Eksempel 1. is_executable() example

<?php

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

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

?>

Bemærk: Resultatet af denne funktion er cached. Se clearstatcache() for flere detaljer.

Vink: Fra og med PHP 5.0.0 kan denne funktion også bruges med nogle URL wrappers. Se Appendiks L for en liste over hvilke wrappers understøtter stat() familiens funktionalitet.

See also is_file() and is_link().

 
 
 
 
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