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|
--TEST--
Test exif_tagname() function : usage variations - different types for index argument
--SKIPIF--
<?php if (!extension_loaded('exif')) print 'skip exif extension not available';
if (PHP_INT_SIZE != 4) die('skip 32-bit only');
?>
--FILE--
<?php
/* Prototype : string exif_tagname ( string $index )
* Description: Get the header name for an index
* Source code: ext/exif/exif.c
*/
echo "*** Testing exif_tagname() : different types for index argument ***\n";
// initialize all required variables
// get an unset variable
$unset_var = 'string_val';
unset($unset_var);
// declaring a class
class sample {
public function __toString() {
return "obj'ct";
}
}
// Defining resource
$file_handle = fopen(__FILE__, 'r');
// array with different values
$values = array (
// integer values
0,
1,
12345,
-2345,
// float values
10.5,
-10.5,
.5,
// array values
array(),
array(0),
array(1),
array(1, 2),
array('color' => 'red', 'item' => 'pen'),
// boolean values
true,
false,
TRUE,
FALSE,
// empty string
"",
'',
// undefined variable
$undefined_var,
// unset variable
$unset_var,
// objects
new sample(),
// resource
$file_handle,
NULL,
null
);
// loop through each element of the array and check the working of exif_tagname()
// when $index argument is supplied with different values
echo "\n--- Testing exif_tagname() by supplying different values for 'index' argument ---\n";
$counter = 1;
foreach($values as $index) {
echo "-- Iteration $counter --\n";
var_dump( exif_tagname($index) );
$counter ++;
}
// closing the file
fclose($file_handle);
echo "Done\n";
?>
?>
===Done===
--EXPECTF--
*** Testing exif_tagname() : different types for index argument ***
Notice: Undefined variable: undefined_var in %s on line %d
Notice: Undefined variable: unset_var in %s on line %d
--- Testing exif_tagname() by supplying different values for 'index' argument ---
-- Iteration 1 --
bool(false)
-- Iteration 2 --
bool(false)
-- Iteration 3 --
bool(false)
-- Iteration 4 --
bool(false)
-- Iteration 5 --
bool(false)
-- Iteration 6 --
bool(false)
-- Iteration 7 --
bool(false)
-- Iteration 8 --
Warning: exif_tagname() expects parameter 1 to be integer, array given in %s on line %d
NULL
-- Iteration 9 --
Warning: exif_tagname() expects parameter 1 to be integer, array given in %s on line %d
NULL
-- Iteration 10 --
Warning: exif_tagname() expects parameter 1 to be integer, array given in %s on line %d
NULL
-- Iteration 11 --
Warning: exif_tagname() expects parameter 1 to be integer, array given in %s on line %d
NULL
-- Iteration 12 --
Warning: exif_tagname() expects parameter 1 to be integer, array given in %s on line %d
NULL
-- Iteration 13 --
bool(false)
-- Iteration 14 --
bool(false)
-- Iteration 15 --
bool(false)
-- Iteration 16 --
bool(false)
-- Iteration 17 --
Warning: exif_tagname() expects parameter 1 to be integer, string given in %s on line %d
NULL
-- Iteration 18 --
Warning: exif_tagname() expects parameter 1 to be integer, string given in %s on line %d
NULL
-- Iteration 19 --
bool(false)
-- Iteration 20 --
bool(false)
-- Iteration 21 --
Warning: exif_tagname() expects parameter 1 to be integer, object given in %s on line %d
NULL
-- Iteration 22 --
Warning: exif_tagname() expects parameter 1 to be integer, resource given in %s on line %d
NULL
-- Iteration 23 --
bool(false)
-- Iteration 24 --
bool(false)
Done
?>
===Done===
|
