mirror of
https://github.com/php/php-src.git
synced 2024-10-19 23:44:13 +00:00
c5c162d182
debug_zval_dump_v.phpt, is_int.phpt, is_scalar.phpt, var_dump.phpt
298 lines
4.8 KiB
PHP
298 lines
4.8 KiB
PHP
--TEST--
|
|
Test is_null() function
|
|
--FILE--
|
|
<?php
|
|
/* Prototype: bool is_null ( mixed $var );
|
|
* Description: Finds whether the given variable is NULL
|
|
*/
|
|
|
|
echo "*** Testing is_null() with valid null values ***\n";
|
|
// different valid null vlaues
|
|
$unset_array = array();
|
|
$unset_int = 10;
|
|
$unset_float = 10.5;
|
|
$unset_bool = true;
|
|
$unset_object = new stdclass;
|
|
$unset_resource = fopen(__FILE__, "r");
|
|
// unset them to make it null.
|
|
unset ($unset_array, $unset_int, $unset_float, $unset_bool, $unset_object, $unset_resource);
|
|
$null_var1 = NULL;
|
|
$null_var2 = null;
|
|
|
|
$valid_nulls = array(
|
|
NULL,
|
|
null,
|
|
@$null_var1,
|
|
@$null_var2,
|
|
@$unset_array,
|
|
@$unset_int,
|
|
@$unset_float,
|
|
@$unset_bool,
|
|
@$unset_object,
|
|
@$unset_resource,
|
|
@$undefined_var,
|
|
);
|
|
/* loop to check that is_null() recognizes different
|
|
null values, expected output: bool(true) */
|
|
$loop_counter = 1;
|
|
foreach ($valid_nulls as $null_val ) {
|
|
echo "-- Iteration $loop_counter --\n"; $loop_counter++;
|
|
var_dump( is_null($null_val) );
|
|
}
|
|
|
|
echo "\n*** Testing is_bool() on non null values ***\n";
|
|
|
|
// get a resource type variable
|
|
$fp = fopen (__FILE__, "r");
|
|
$dfp = opendir ( dirname(__FILE__) );
|
|
|
|
// other types in a array
|
|
$not_null_types = array (
|
|
/* integers */
|
|
0,
|
|
1,
|
|
-1,
|
|
-0,
|
|
543915,
|
|
-5322,
|
|
0x0,
|
|
0x1,
|
|
0x55F,
|
|
-0xCCF,
|
|
0123,
|
|
-0654,
|
|
00,
|
|
01,
|
|
|
|
/* strings */
|
|
"",
|
|
'',
|
|
"0",
|
|
'0',
|
|
"1",
|
|
'1',
|
|
'string',
|
|
"string",
|
|
"true",
|
|
"false",
|
|
"FALSE",
|
|
"TRUE",
|
|
'true',
|
|
'false',
|
|
'FALSE',
|
|
'TRUE',
|
|
"NULL",
|
|
"null",
|
|
|
|
/* floats */
|
|
0.0,
|
|
1.0,
|
|
-1.0,
|
|
10.0000000000000000005,
|
|
.5e6,
|
|
-.5E7,
|
|
.5E+8,
|
|
-.5e+90,
|
|
1e5,
|
|
-1e5,
|
|
1E5,
|
|
-1E7,
|
|
|
|
/* objects */
|
|
new stdclass,
|
|
|
|
/* resources */
|
|
$fp,
|
|
$dfp,
|
|
|
|
/* arrays */
|
|
array(),
|
|
array(0),
|
|
array(1),
|
|
array(NULL),
|
|
array(null),
|
|
array("string"),
|
|
array(true),
|
|
array(TRUE),
|
|
array(false),
|
|
array(FALSE),
|
|
array(1,2,3,4),
|
|
array(1 => "One", "two" => 2),
|
|
);
|
|
/* loop through the $not_null_types to see working of
|
|
is_null() on non null types, expected output: bool(false) */
|
|
$loop_counter = 1;
|
|
foreach ($not_null_types as $type ) {
|
|
echo "-- Iteration $loop_counter --\n"; $loop_counter++;
|
|
var_dump( is_null($type) );
|
|
}
|
|
|
|
echo "\n*** Testing error conditions ***\n";
|
|
//Zero argument
|
|
var_dump( is_null() );
|
|
|
|
//arguments more than expected
|
|
var_dump( is_null(NULL, null) );
|
|
|
|
echo "Done\n";
|
|
?>
|
|
|
|
--CLEAN--
|
|
// close the resources used
|
|
fclose($fp);
|
|
closedir($dfp);
|
|
|
|
--EXPECTF--
|
|
*** Testing is_null() with valid null values ***
|
|
-- Iteration 1 --
|
|
bool(true)
|
|
-- Iteration 2 --
|
|
bool(true)
|
|
-- Iteration 3 --
|
|
bool(true)
|
|
-- Iteration 4 --
|
|
bool(true)
|
|
-- Iteration 5 --
|
|
bool(true)
|
|
-- Iteration 6 --
|
|
bool(true)
|
|
-- Iteration 7 --
|
|
bool(true)
|
|
-- Iteration 8 --
|
|
bool(true)
|
|
-- Iteration 9 --
|
|
bool(true)
|
|
-- Iteration 10 --
|
|
bool(true)
|
|
-- Iteration 11 --
|
|
bool(true)
|
|
|
|
*** Testing is_bool() on non null values ***
|
|
-- 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 --
|
|
bool(false)
|
|
-- Iteration 9 --
|
|
bool(false)
|
|
-- Iteration 10 --
|
|
bool(false)
|
|
-- Iteration 11 --
|
|
bool(false)
|
|
-- Iteration 12 --
|
|
bool(false)
|
|
-- Iteration 13 --
|
|
bool(false)
|
|
-- Iteration 14 --
|
|
bool(false)
|
|
-- Iteration 15 --
|
|
bool(false)
|
|
-- Iteration 16 --
|
|
bool(false)
|
|
-- Iteration 17 --
|
|
bool(false)
|
|
-- Iteration 18 --
|
|
bool(false)
|
|
-- Iteration 19 --
|
|
bool(false)
|
|
-- Iteration 20 --
|
|
bool(false)
|
|
-- Iteration 21 --
|
|
bool(false)
|
|
-- Iteration 22 --
|
|
bool(false)
|
|
-- Iteration 23 --
|
|
bool(false)
|
|
-- Iteration 24 --
|
|
bool(false)
|
|
-- Iteration 25 --
|
|
bool(false)
|
|
-- Iteration 26 --
|
|
bool(false)
|
|
-- Iteration 27 --
|
|
bool(false)
|
|
-- Iteration 28 --
|
|
bool(false)
|
|
-- Iteration 29 --
|
|
bool(false)
|
|
-- Iteration 30 --
|
|
bool(false)
|
|
-- Iteration 31 --
|
|
bool(false)
|
|
-- Iteration 32 --
|
|
bool(false)
|
|
-- Iteration 33 --
|
|
bool(false)
|
|
-- Iteration 34 --
|
|
bool(false)
|
|
-- Iteration 35 --
|
|
bool(false)
|
|
-- Iteration 36 --
|
|
bool(false)
|
|
-- Iteration 37 --
|
|
bool(false)
|
|
-- Iteration 38 --
|
|
bool(false)
|
|
-- Iteration 39 --
|
|
bool(false)
|
|
-- Iteration 40 --
|
|
bool(false)
|
|
-- Iteration 41 --
|
|
bool(false)
|
|
-- Iteration 42 --
|
|
bool(false)
|
|
-- Iteration 43 --
|
|
bool(false)
|
|
-- Iteration 44 --
|
|
bool(false)
|
|
-- Iteration 45 --
|
|
bool(false)
|
|
-- Iteration 46 --
|
|
bool(false)
|
|
-- Iteration 47 --
|
|
bool(false)
|
|
-- Iteration 48 --
|
|
bool(false)
|
|
-- Iteration 49 --
|
|
bool(false)
|
|
-- Iteration 50 --
|
|
bool(false)
|
|
-- Iteration 51 --
|
|
bool(false)
|
|
-- Iteration 52 --
|
|
bool(false)
|
|
-- Iteration 53 --
|
|
bool(false)
|
|
-- Iteration 54 --
|
|
bool(false)
|
|
-- Iteration 55 --
|
|
bool(false)
|
|
-- Iteration 56 --
|
|
bool(false)
|
|
-- Iteration 57 --
|
|
bool(false)
|
|
-- Iteration 58 --
|
|
bool(false)
|
|
-- Iteration 59 --
|
|
bool(false)
|
|
|
|
*** Testing error conditions ***
|
|
|
|
Warning: is_null(): Only one argument expected in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: is_null(): Only one argument expected in %s on line %d
|
|
bool(false)
|
|
Done
|