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--TEST--
Test is_file() function: usage variations - invalid filenames
--FILE--
<?php
/* Prototype: bool is_file ( string $filename );
Description: Tells whether the filename is a regular file
Returns TRUE if the filename exists and is a regular file
*/
/* Testing is_file() with invalid arguments -int, float, bool, NULL, resource */
function flatten($variable) {
\ob_start();
\var_dump($variable);
$flattened =
\ob_get_contents();
\ob_end_clean();
return \trim($flattened);
}
foreach([
/* Invalid filenames */
-2.34555,
" ",
"",
true,
false,
null,
/* scalars */
1234,
0,
/* resource */
fopen(__FILE__, "r")
] as $filename ) {
printf(
"%s: %d\n",
flatten($filename), @is_file($filename));
clearstatcache();
}
?>
--EXPECTF--
float(-2.34555): 0
string(1) " ": 0
string(0) "": 0
bool(true): 0
bool(false): 0
NULL: 0
int(1234): 0
int(0): 0
resource(%d) of type (stream): 0
|
