note 76427 deleted from function.file-exists by bjori
| From: | bjori@php.net | Date: | Mon, 16 Jul 2007 19:27:18 +0000 |
| Subject: | note 76427 deleted from function.file-exists by bjori | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-128630@lists.php.net to get a copy of this message | ||
Note Submitter: openspecies
----
/*
* EXTERN/LOCAL FILE
* a simple alternative without cURL
*/
function sys_file_exists($f = NULL)
{
$h = array();
$ret = FALSE;
if(!is_null($f)):
if(preg_match('/^http|https|ftp/',$f)):
$h = @get_headers($f);
if(array_key_exists(0,$h)) :
$ret = (bool) preg_match('/200|301/',$h[0]); /* HTTP/1.1 301 DAP (directory) */
endif;
else:
$ret = (file_exists($f) && is_readable($f));
endif;
endif;
return (($ret == TRUE) ? TRUE : FALSE);
}
@+