mirror of
https://github.com/php/php-src.git
synced 2024-11-23 18:04:36 +08:00
ea297654f4
* Zend/*: fix a bunch of typos * Zend/tests/try/try_catch_finally_005.phpt: update string length
1322 lines
26 KiB
PHP
1322 lines
26 KiB
PHP
--TEST--
|
|
Test unset(), empty() and isset() functions
|
|
--FILE--
|
|
<?php
|
|
echo "*** Testing unset(), empty() & isset() with scalar variables ***\n";
|
|
|
|
// testing scalar variables
|
|
$scalar_variables = array(
|
|
0,
|
|
1,
|
|
+1
|
|
-1,
|
|
0x55,
|
|
-0xFA,
|
|
0123,
|
|
-0563,
|
|
0.0,
|
|
1e5,
|
|
1E-5,
|
|
-1.5e5,
|
|
+5.6,
|
|
"",
|
|
'',
|
|
" ",
|
|
' ',
|
|
"string",
|
|
"123",
|
|
"0",
|
|
"ture",
|
|
"FALSE",
|
|
"NULL",
|
|
"null",
|
|
true,
|
|
false,
|
|
TRUE,
|
|
FALSE
|
|
);
|
|
|
|
$loop_counter = 1;
|
|
foreach ($scalar_variables as $scalar_var) {
|
|
$set_var = 10; // this variable to use with isset
|
|
echo "-- Iteration $loop_counter --\n"; $loop_counter++;
|
|
|
|
// checking with isset before unsetting, expected: bool(true)
|
|
var_dump( isset($scalar_var) );
|
|
var_dump( isset($scalar_var, $set_var) );
|
|
// checking if the var is empty, expected: bool(false) on most
|
|
// except "", 0, "0", NULL, FALSE
|
|
var_dump( empty($scalar_var) );
|
|
|
|
// destroy the variable using unset
|
|
unset( $scalar_var );
|
|
// dump and see if its destroyed, expected: NULL
|
|
var_dump( $scalar_var );
|
|
|
|
// check using isset to see if unset, expected: bool(false)
|
|
var_dump( isset($scalar_var) );
|
|
var_dump( isset($scalar_var, $set_var) );
|
|
|
|
// empty to check if empty, expecting bool(true)
|
|
var_dump( empty($scalar_var) );
|
|
|
|
// isset() with two args, one arg only unset, expected: bool(false)
|
|
var_dump( isset($scalar_var, $set_var) );
|
|
|
|
// isset() with two args, both args already unset, expected: bool(false);
|
|
unset($set_var);
|
|
var_dump( isset($scalar_var, $set_var) );
|
|
}
|
|
|
|
echo "\n*** Testing unset(), empty() & isset() with arrays ***\n";
|
|
$array_variables = array(
|
|
array(),
|
|
array(NULL),
|
|
array(0),
|
|
array("0"),
|
|
array(""),
|
|
array(1,2,3,4),
|
|
array(1.4,2.5,5.6),
|
|
array(1 => "One", 2 => "two"),
|
|
array("Name" => "Jack", "Age" => "30"),
|
|
array(1,2, "One" => "1", 2 => "two", ""=>"empty", "" => '')
|
|
);
|
|
|
|
$outer_loop_counter = 1;
|
|
foreach ($array_variables as $array_var) {
|
|
echo "--- Outerloop Iteration $outer_loop_counter ---\n";
|
|
|
|
// check the isset and unset on non existing key
|
|
$var = 1; // a var which is defined
|
|
// try to unset the element which is non-existent
|
|
unset($array_var['non_existent']);
|
|
// check using isset() & empty() on a non_existent element in the array
|
|
var_dump( isset($array_var['non_existent']) );
|
|
var_dump( isset($array_var['non_existent'], $var) );
|
|
var_dump( isset($array_var['non_existent'], $array_var['none']) );
|
|
var_dump( empty($array_var['non_existent']) );
|
|
|
|
// testing empty and isset on arrays
|
|
var_dump( empty($array_var) ); // expecting bool(false), except: array(), which is considered empty
|
|
var_dump( isset($array_var) ); // expecting bool(true), except: array(), which is not set
|
|
|
|
// get the keys of the $array_var
|
|
$keys = array_keys($array_var);
|
|
// unset each element in the array and see the working of unset, isset & empty
|
|
$inner_loop_counter = 1;
|
|
foreach ($keys as $key_value) {
|
|
echo "-- Innerloop Iteration $inner_loop_counter of Outerloop Iteration $outer_loop_counter --\n";
|
|
$inner_loop_counter++;
|
|
|
|
// unset the element
|
|
unset($array_var[$key_value]);
|
|
// dump the array after element was unset
|
|
var_dump($array_var);
|
|
// check using isset for the element that was unset
|
|
var_dump( isset($array_var[$key_val]) ); // expected: bool(false)
|
|
// calling isset with more args
|
|
var_dump( isset($array_var[$key_val], $array_var) ); //expected: bool(false)
|
|
|
|
// calling empty, expected bool(true)
|
|
var_dump( empty($array_var[$key_val]) );
|
|
|
|
// dump the array to see that that array did not get modified
|
|
// because of using isset, empty and unset on its element
|
|
var_dump($array_var);
|
|
}
|
|
|
|
$outer_loop_counter++;
|
|
|
|
// unset the whole array
|
|
unset($array_var);
|
|
// dump the array to see its unset
|
|
var_dump($array_var);
|
|
// use isset to see that array is not set
|
|
var_dump( isset($array_var) ); //expected: bool(false)
|
|
var_dump( isset($array_var, $array_var[$key_val]) ); // expected: bool(false)
|
|
|
|
// empty() to see if the array is empty
|
|
var_dump( empty($array_var) ); // expected: bool(true)
|
|
}
|
|
|
|
echo "\n*** Testing unset(), empty() & isset() with resource variables ***\n";
|
|
$fp = fopen(__FILE__, "r");
|
|
$dfp = opendir( __DIR__ );
|
|
$resources = array (
|
|
$fp,
|
|
$dfp
|
|
);
|
|
$loop_counter = 1;
|
|
foreach ($resources as $resource) {
|
|
$temp_var = 10;
|
|
echo "-- Iteration $loop_counter --\n"; $loop_counter++;
|
|
//dump the resource first
|
|
var_dump($resource);
|
|
|
|
// check using isset() and empty()
|
|
var_dump( isset($resource) ); // expected: bool(true)
|
|
var_dump( empty($resource) ); // expected: bool(false)
|
|
// call isset() with two args, both set
|
|
var_dump( isset($resource, $temp_var) ); // expected: bool(true)
|
|
|
|
// dump the resource to see using isset() and empty () had no effect on it
|
|
var_dump($resource);
|
|
|
|
// unset the resource
|
|
unset($resource);
|
|
// check using isset() and empty()
|
|
var_dump( isset($resource) ); // expected: bool(false)
|
|
var_dump( empty($resource) ); // expected: bool(true)
|
|
// call isset() with two args, but one set
|
|
var_dump( isset($resource, $temp_var) ); // expected: bool(false)
|
|
// unset the temp_var
|
|
unset($temp_var);
|
|
// now the isset() with both the args as unset
|
|
var_dump( isset($resource, $temp_var) ); // expected: bool(false);
|
|
|
|
// dump the resource to see if there any effect on it
|
|
var_dump($resource);
|
|
}
|
|
// unset and dump the array containing all the resources to see that
|
|
// unset works correctly
|
|
unset($resources);
|
|
var_dump($resources);
|
|
var_dump( isset($resources) ); //expected: bool(false)
|
|
var_dump( empty($resources) ); // expected: bool(true)
|
|
|
|
echo "\n*** Testing unset(), empty() & isset() with objects ***\n";
|
|
class Point
|
|
{
|
|
var $x;
|
|
var $y;
|
|
var $lable;
|
|
|
|
function __construct($x, $y) {
|
|
$this->x = $x;
|
|
$this->y = $y;
|
|
}
|
|
|
|
function setLable($lable) {
|
|
$this->lable = $lable;
|
|
}
|
|
function testPoint() {
|
|
echo "\nPoint::testPoint() called\n";
|
|
}
|
|
}
|
|
$point1 = new Point(30,40);
|
|
|
|
// use unset/empty/isset to check the object
|
|
var_dump($point1); // dump the object
|
|
|
|
// check the object and member that is not set
|
|
var_dump( isset($point1) ); // expected: bool(true)
|
|
var_dump( empty($point1) ); // expected: bool(false)
|
|
var_dump( isset($point1->$lable) ); //expected: bool(false)
|
|
var_dump( empty($point1->$lable) ); //expected: bool(true)
|
|
|
|
//set the member variable lable and check
|
|
$point1->setLable("Point1");
|
|
var_dump( isset($point1->$lable) ); //expected: bool(true)
|
|
var_dump( empty($point1->$lable) ); //expected: bool(false)
|
|
|
|
// dump the object to see that obj was not harmed
|
|
// because of the usage of the isset & empty
|
|
var_dump($point1);
|
|
|
|
//unset a member and check
|
|
unset($point1->x);
|
|
// dump the point to see that variable was unset
|
|
var_dump($point1);
|
|
var_dump( isset($point1->x) ); // expected: bool(false)
|
|
var_dump( empty($point1->x) ); // expected: bool(true)
|
|
|
|
// unset all members and check
|
|
unset($point1->y);
|
|
unset($point1->lable);
|
|
// dump the object to check that all variables are unset
|
|
var_dump($point1);
|
|
var_dump( isset($point1) ); // expected: bool(ture)
|
|
var_dump( empty($point1) ); // expected: bool(false)
|
|
|
|
//unset the object and check
|
|
unset($point1);
|
|
var_dump( isset($point1) ); // expected: bool(false)
|
|
var_dump( empty($point1) ); // expected: bool(true)
|
|
// dump to see that object is unset
|
|
var_dump($point1);
|
|
|
|
// try isset/unset/empty on a member function
|
|
$point2 = new Point(5,6);
|
|
var_dump( isset($point2->testPoint) );
|
|
var_dump( empty($point2->testPoint) );
|
|
unset($point2->testPoint);
|
|
var_dump( isset($point2->testPoint) );
|
|
var_dump( empty($point2->testPoint) );
|
|
|
|
// use get_class_methods to see effect if any
|
|
var_dump( get_class_methods($point2) );
|
|
// dump the object to see the effect, none expected
|
|
var_dump($point2);
|
|
|
|
/* testing variation in operation for isset(), empty() & unset().
|
|
Note: Most of the variation for function unset() is testing by a
|
|
set of testcases named "Zend/tests/unset_cv??.phpt", only
|
|
variation not tested are attempted here */
|
|
|
|
echo "\n*** Testing possible variation in operation for isset(), empty() & unset() ***\n";
|
|
/* unset() variation1: checking unset on static variable inside a function.
|
|
* unset() destroys the variable only in the context of the rest of a function
|
|
* Following calls will restore the previous value of a variable.
|
|
*/
|
|
echo "\n** Testing unset() variation 1: unset on static variable inside a function **\n";
|
|
function test_unset1() {
|
|
static $static_var;
|
|
|
|
// increment the value of the static. this change is in function context
|
|
$static_var ++;
|
|
|
|
echo "value of static_var before unset: $static_var\n";
|
|
// check using isset and empty
|
|
var_dump( isset($static_var) );
|
|
var_dump( empty($static_var) );
|
|
|
|
// unset the static var
|
|
unset($static_var);
|
|
echo "value of static_var after unset: $static_var\n";
|
|
// check using isset and empty
|
|
var_dump( isset($static_var) );
|
|
var_dump( empty($static_var) );
|
|
|
|
// assign a value to static var
|
|
$static_var = 20;
|
|
echo "value of static_var after new assignment: $static_var\n";
|
|
}
|
|
// call the function
|
|
test_unset1();
|
|
test_unset1();
|
|
test_unset1();
|
|
|
|
|
|
echo "\n** Testing unset() variation 2: unset on a variable passed by ref. inside of a function **\n";
|
|
/* unset() variation2: Pass by reference
|
|
* If a variable that is PASSED BY REFERENCE is unset() inside of a function,
|
|
* only the local variable is destroyed. The variable in the calling environment
|
|
* will retain the same value as before unset() was called.
|
|
*/
|
|
function test_unset2( &$ref_val ) {
|
|
// unset the variable passed
|
|
unset($ref_val);
|
|
// check using isset and empty to confirm
|
|
var_dump( isset($ref_val) );
|
|
var_dump( empty($ref_val) );
|
|
|
|
// set the value ot a new one
|
|
$ref_val = "new value by ref";
|
|
}
|
|
|
|
$value = "value";
|
|
var_dump($value);
|
|
test_unset2($value);
|
|
var_dump($value);
|
|
|
|
|
|
echo "\n** Testing unset() variation 3: unset on a global variable inside of a function **\n";
|
|
/* unset() variation2: unset on a global variable inside a function
|
|
* If a globalized variable is unset() inside of a function, only the
|
|
* local variable is destroyed. The variable in the calling environment
|
|
* will retain the same value as before unset() was called.
|
|
*/
|
|
$global_var = 10;
|
|
|
|
function test_unset3() {
|
|
global $global_var;
|
|
|
|
// check the $global_var using isset and empty
|
|
var_dump( isset($global_var) );
|
|
var_dump( empty($global_var) );
|
|
|
|
// unset the global var
|
|
unset($global_var);
|
|
|
|
// check the $global_var using isset and empty
|
|
var_dump( isset($global_var) );
|
|
var_dump( empty($global_var) );
|
|
}
|
|
|
|
var_dump($global_var);
|
|
test_unset3();
|
|
var_dump($global_var);
|
|
|
|
//Note: No error conditions relating to passing arguments can be tested
|
|
// because these are not functions but statements, it will result in syntax error.
|
|
?>
|
|
--EXPECTF--
|
|
*** Testing unset(), empty() & isset() with scalar variables ***
|
|
-- Iteration 1 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 2 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 3 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 4 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 5 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 6 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 7 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 8 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 9 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 10 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 11 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 12 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 13 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 14 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 15 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 16 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 17 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 18 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 19 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 20 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 21 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 22 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 23 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 24 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 25 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 26 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
-- Iteration 27 --
|
|
bool(true)
|
|
bool(true)
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $scalar_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
|
|
*** Testing unset(), empty() & isset() with arrays ***
|
|
--- Outerloop Iteration 1 ---
|
|
bool(false)
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(true)
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $array_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
--- Outerloop Iteration 2 ---
|
|
bool(false)
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(true)
|
|
-- Innerloop Iteration 1 of Outerloop Iteration 2 --
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $array_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
--- Outerloop Iteration 3 ---
|
|
bool(false)
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(true)
|
|
-- Innerloop Iteration 1 of Outerloop Iteration 3 --
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $array_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
--- Outerloop Iteration 4 ---
|
|
bool(false)
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(true)
|
|
-- Innerloop Iteration 1 of Outerloop Iteration 4 --
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $array_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
--- Outerloop Iteration 5 ---
|
|
bool(false)
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(true)
|
|
-- Innerloop Iteration 1 of Outerloop Iteration 5 --
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $array_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
--- Outerloop Iteration 6 ---
|
|
bool(false)
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(true)
|
|
-- Innerloop Iteration 1 of Outerloop Iteration 6 --
|
|
array(3) {
|
|
[1]=>
|
|
int(2)
|
|
[2]=>
|
|
int(3)
|
|
[3]=>
|
|
int(4)
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(3) {
|
|
[1]=>
|
|
int(2)
|
|
[2]=>
|
|
int(3)
|
|
[3]=>
|
|
int(4)
|
|
}
|
|
-- Innerloop Iteration 2 of Outerloop Iteration 6 --
|
|
array(2) {
|
|
[2]=>
|
|
int(3)
|
|
[3]=>
|
|
int(4)
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(2) {
|
|
[2]=>
|
|
int(3)
|
|
[3]=>
|
|
int(4)
|
|
}
|
|
-- Innerloop Iteration 3 of Outerloop Iteration 6 --
|
|
array(1) {
|
|
[3]=>
|
|
int(4)
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(1) {
|
|
[3]=>
|
|
int(4)
|
|
}
|
|
-- Innerloop Iteration 4 of Outerloop Iteration 6 --
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $array_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
--- Outerloop Iteration 7 ---
|
|
bool(false)
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(true)
|
|
-- Innerloop Iteration 1 of Outerloop Iteration 7 --
|
|
array(2) {
|
|
[1]=>
|
|
float(2.5)
|
|
[2]=>
|
|
float(5.6)
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(2) {
|
|
[1]=>
|
|
float(2.5)
|
|
[2]=>
|
|
float(5.6)
|
|
}
|
|
-- Innerloop Iteration 2 of Outerloop Iteration 7 --
|
|
array(1) {
|
|
[2]=>
|
|
float(5.6)
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(1) {
|
|
[2]=>
|
|
float(5.6)
|
|
}
|
|
-- Innerloop Iteration 3 of Outerloop Iteration 7 --
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $array_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
--- Outerloop Iteration 8 ---
|
|
bool(false)
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(true)
|
|
-- Innerloop Iteration 1 of Outerloop Iteration 8 --
|
|
array(1) {
|
|
[2]=>
|
|
string(3) "two"
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(1) {
|
|
[2]=>
|
|
string(3) "two"
|
|
}
|
|
-- Innerloop Iteration 2 of Outerloop Iteration 8 --
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $array_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
--- Outerloop Iteration 9 ---
|
|
bool(false)
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(true)
|
|
-- Innerloop Iteration 1 of Outerloop Iteration 9 --
|
|
array(1) {
|
|
["Age"]=>
|
|
string(2) "30"
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(1) {
|
|
["Age"]=>
|
|
string(2) "30"
|
|
}
|
|
-- Innerloop Iteration 2 of Outerloop Iteration 9 --
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $array_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
--- Outerloop Iteration 10 ---
|
|
bool(false)
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(true)
|
|
-- Innerloop Iteration 1 of Outerloop Iteration 10 --
|
|
array(4) {
|
|
[1]=>
|
|
int(2)
|
|
["One"]=>
|
|
string(1) "1"
|
|
[2]=>
|
|
string(3) "two"
|
|
[""]=>
|
|
string(0) ""
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(4) {
|
|
[1]=>
|
|
int(2)
|
|
["One"]=>
|
|
string(1) "1"
|
|
[2]=>
|
|
string(3) "two"
|
|
[""]=>
|
|
string(0) ""
|
|
}
|
|
-- Innerloop Iteration 2 of Outerloop Iteration 10 --
|
|
array(3) {
|
|
["One"]=>
|
|
string(1) "1"
|
|
[2]=>
|
|
string(3) "two"
|
|
[""]=>
|
|
string(0) ""
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(3) {
|
|
["One"]=>
|
|
string(1) "1"
|
|
[2]=>
|
|
string(3) "two"
|
|
[""]=>
|
|
string(0) ""
|
|
}
|
|
-- Innerloop Iteration 3 of Outerloop Iteration 10 --
|
|
array(2) {
|
|
[2]=>
|
|
string(3) "two"
|
|
[""]=>
|
|
string(0) ""
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(2) {
|
|
[2]=>
|
|
string(3) "two"
|
|
[""]=>
|
|
string(0) ""
|
|
}
|
|
-- Innerloop Iteration 4 of Outerloop Iteration 10 --
|
|
array(1) {
|
|
[""]=>
|
|
string(0) ""
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(1) {
|
|
[""]=>
|
|
string(0) ""
|
|
}
|
|
-- Innerloop Iteration 5 of Outerloop Iteration 10 --
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $key_val in %s on line %d
|
|
bool(true)
|
|
array(0) {
|
|
}
|
|
|
|
Warning: Undefined variable $array_var in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
|
|
*** Testing unset(), empty() & isset() with resource variables ***
|
|
-- Iteration 1 --
|
|
resource(%d) of type (stream)
|
|
bool(true)
|
|
bool(false)
|
|
bool(true)
|
|
resource(%d) of type (stream)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $resource in %s on line %d
|
|
NULL
|
|
-- Iteration 2 --
|
|
resource(%d) of type (stream)
|
|
bool(true)
|
|
bool(false)
|
|
bool(true)
|
|
resource(%d) of type (stream)
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $resource in %s on line %d
|
|
NULL
|
|
|
|
Warning: Undefined variable $resources in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(true)
|
|
|
|
*** Testing unset(), empty() & isset() with objects ***
|
|
object(Point)#%d (3) {
|
|
["x"]=>
|
|
int(30)
|
|
["y"]=>
|
|
int(40)
|
|
["lable"]=>
|
|
NULL
|
|
}
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $lable in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $lable in %s on line %d
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $lable in %s on line %d
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $lable in %s on line %d
|
|
bool(true)
|
|
object(Point)#%d (3) {
|
|
["x"]=>
|
|
int(30)
|
|
["y"]=>
|
|
int(40)
|
|
["lable"]=>
|
|
string(6) "Point1"
|
|
}
|
|
object(Point)#%d (2) {
|
|
["y"]=>
|
|
int(40)
|
|
["lable"]=>
|
|
string(6) "Point1"
|
|
}
|
|
bool(false)
|
|
bool(true)
|
|
object(Point)#%d (0) {
|
|
}
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
|
|
Warning: Undefined variable $point1 in %s on line %d
|
|
NULL
|
|
bool(false)
|
|
bool(true)
|
|
bool(false)
|
|
bool(true)
|
|
array(3) {
|
|
[0]=>
|
|
string(11) "__construct"
|
|
[1]=>
|
|
string(8) "setLable"
|
|
[2]=>
|
|
string(9) "testPoint"
|
|
}
|
|
object(Point)#%d (3) {
|
|
["x"]=>
|
|
int(5)
|
|
["y"]=>
|
|
int(6)
|
|
["lable"]=>
|
|
NULL
|
|
}
|
|
|
|
*** Testing possible variation in operation for isset(), empty() & unset() ***
|
|
|
|
** Testing unset() variation 1: unset on static variable inside a function **
|
|
value of static_var before unset: 1
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $static_var in %s on line %d
|
|
value of static_var after unset:
|
|
bool(false)
|
|
bool(true)
|
|
value of static_var after new assignment: 20
|
|
value of static_var before unset: 2
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $static_var in %s on line %d
|
|
value of static_var after unset:
|
|
bool(false)
|
|
bool(true)
|
|
value of static_var after new assignment: 20
|
|
value of static_var before unset: 3
|
|
bool(true)
|
|
bool(false)
|
|
|
|
Warning: Undefined variable $static_var in %s on line %d
|
|
value of static_var after unset:
|
|
bool(false)
|
|
bool(true)
|
|
value of static_var after new assignment: 20
|
|
|
|
** Testing unset() variation 2: unset on a variable passed by ref. inside of a function **
|
|
string(5) "value"
|
|
bool(false)
|
|
bool(true)
|
|
string(5) "value"
|
|
|
|
** Testing unset() variation 3: unset on a global variable inside of a function **
|
|
int(10)
|
|
bool(true)
|
|
bool(false)
|
|
bool(false)
|
|
bool(true)
|
|
int(10)
|