--TEST--
Test is_executable() function: usage variations - invalid file names
--SKIPIF--
<?php
if (substr(PHP_OS, 0, 3) == 'WIN') {
    die('skip not for windows');
}
// Skip if being run by root (files are always readable, writeable and executable)
$filename = dirname(__FILE__)."/is_executable_root_check.tmp";
$fp = fopen($filename, 'w');
fclose($fp);
if(fileowner($filename) == 0) {
        unlink ($filename);
        die('skip cannot be run as root');
}

unlink($filename);
?>
--FILE--
<?php
/* Prototype: bool is_executable ( string $filename );
   Description: Tells whether the filename is executable
*/

/* test is_executable() with invalid arguments */

echo "*** Testing is_executable(): usage variations ***\n";

$file_handle = fopen(__FILE__, "r");
unset($file_handle);

echo "\n*** Testing is_executable() on invalid files ***\n";
$invalid_files = array(
  0,
  1234,
  -2.34555,
  TRUE,
  FALSE,
  NULL,
  " ",
  @array(),
  @$file_handle
);
/* loop through to test each element in the above array 
   is an executable file */
foreach( $invalid_files as $invalid_file ) {
  var_dump( is_executable($invalid_file) );
  clearstatcache();
}

echo "Done\n";
?>
--EXPECTF--
*** Testing is_executable(): usage variations ***

*** Testing is_executable() on invalid files ***
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)

Warning: is_executable() expects parameter 1 to be a valid path, array given in %s on line %d
NULL
bool(false)
Done