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250 lines
5.1 KiB
PHP
250 lines
5.1 KiB
PHP
--TEST--
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Foreach loop tests - modifying the object during the loop.
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--FILE--
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<?php
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class C {
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public $a = "Original a";
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public $b = "Original b";
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public $c = "Original c";
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protected $d = "Original d";
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private $e = "Original e";
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}
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echo "\nDirectly changing object values.\n";
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$obj = new C;
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foreach ($obj as $k=>$v) {
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$obj->$k="changed.$k";
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var_dump($v);
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}
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var_dump($obj);
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echo "\nModifying the foreach \$value.\n";
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$obj = new C;
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foreach ($obj as $k=>$v) {
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$v="changed.$k";
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}
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var_dump($obj);
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echo "\nModifying the foreach &\$value.\n";
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$obj = new C;
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foreach ($obj as $k=>&$v) {
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$v="changed.$k";
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}
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var_dump($obj);
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echo "\nAdding properties to an an object.\n";
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$obj = new C;
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$counter=0;
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foreach ($obj as $v) {
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$newPropName = "new$counter";
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$obj->$newPropName = "Added property $counter";
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if ($counter++>10) {
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echo "Loop detected\n";
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break;
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}
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var_dump($v);
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}
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var_dump($obj);
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echo "\nAdding properties to an an object, using &\$value.\n";
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$obj = new C;
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$counter=0;
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foreach ($obj as &$v) {
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$newPropName = "new$counter";
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$obj->$newPropName = "Added property $counter";
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if ($counter++>10) {
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echo "Loop detected\n";
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break;
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}
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var_dump($v);
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}
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var_dump($obj);
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echo "\nRemoving properties from an object.\n";
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$obj = new C;
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foreach ($obj as $v) {
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unset($obj->a);
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unset($obj->b);
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unset($obj->c);
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var_dump($v);
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}
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var_dump($obj);
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echo "\nRemoving properties from an object, using &\$value.\n";
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$obj = new C;
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foreach ($obj as &$v) {
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unset($obj->a);
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unset($obj->b);
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unset($obj->c);
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var_dump($v);
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}
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var_dump($obj);
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?>
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===DONE===
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--EXPECTF--
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Directly changing object values.
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unicode(10) "Original a"
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unicode(10) "Original b"
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unicode(10) "Original c"
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object(C)#%d (5) {
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[u"a"]=>
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unicode(9) "changed.a"
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[u"b"]=>
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unicode(9) "changed.b"
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[u"c"]=>
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unicode(9) "changed.c"
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[u"d":protected]=>
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unicode(10) "Original d"
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[u"e":u"C":private]=>
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unicode(10) "Original e"
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}
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Modifying the foreach $value.
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object(C)#%d (5) {
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[u"a"]=>
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unicode(10) "Original a"
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[u"b"]=>
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unicode(10) "Original b"
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[u"c"]=>
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unicode(10) "Original c"
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[u"d":protected]=>
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unicode(10) "Original d"
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[u"e":u"C":private]=>
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unicode(10) "Original e"
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}
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Modifying the foreach &$value.
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object(C)#%d (5) {
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[u"a"]=>
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unicode(9) "changed.a"
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[u"b"]=>
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unicode(9) "changed.b"
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[u"c"]=>
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&unicode(9) "changed.c"
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[u"d":protected]=>
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unicode(10) "Original d"
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[u"e":u"C":private]=>
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unicode(10) "Original e"
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}
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Adding properties to an an object.
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unicode(10) "Original a"
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unicode(10) "Original b"
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unicode(10) "Original c"
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unicode(16) "Added property 0"
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unicode(16) "Added property 1"
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unicode(16) "Added property 2"
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unicode(16) "Added property 3"
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unicode(16) "Added property 4"
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unicode(16) "Added property 5"
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unicode(16) "Added property 6"
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unicode(16) "Added property 7"
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Loop detected
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object(C)#%d (17) {
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[u"a"]=>
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unicode(10) "Original a"
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[u"b"]=>
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unicode(10) "Original b"
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[u"c"]=>
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unicode(10) "Original c"
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[u"d":protected]=>
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unicode(10) "Original d"
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[u"e":u"C":private]=>
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unicode(10) "Original e"
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[u"new0"]=>
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unicode(16) "Added property 0"
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[u"new1"]=>
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unicode(16) "Added property 1"
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[u"new2"]=>
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unicode(16) "Added property 2"
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[u"new3"]=>
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unicode(16) "Added property 3"
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[u"new4"]=>
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unicode(16) "Added property 4"
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[u"new5"]=>
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unicode(16) "Added property 5"
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[u"new6"]=>
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unicode(16) "Added property 6"
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[u"new7"]=>
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unicode(16) "Added property 7"
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[u"new8"]=>
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unicode(16) "Added property 8"
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[u"new9"]=>
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unicode(16) "Added property 9"
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[u"new10"]=>
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unicode(17) "Added property 10"
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[u"new11"]=>
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unicode(17) "Added property 11"
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}
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Adding properties to an an object, using &$value.
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unicode(10) "Original a"
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unicode(10) "Original b"
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unicode(10) "Original c"
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unicode(16) "Added property 0"
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unicode(16) "Added property 1"
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unicode(16) "Added property 2"
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unicode(16) "Added property 3"
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unicode(16) "Added property 4"
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unicode(16) "Added property 5"
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unicode(16) "Added property 6"
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unicode(16) "Added property 7"
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Loop detected
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object(C)#%d (17) {
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[u"a"]=>
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unicode(10) "Original a"
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[u"b"]=>
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unicode(10) "Original b"
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[u"c"]=>
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unicode(10) "Original c"
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[u"d":protected]=>
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unicode(10) "Original d"
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[u"e":u"C":private]=>
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unicode(10) "Original e"
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[u"new0"]=>
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unicode(16) "Added property 0"
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[u"new1"]=>
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unicode(16) "Added property 1"
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[u"new2"]=>
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unicode(16) "Added property 2"
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[u"new3"]=>
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unicode(16) "Added property 3"
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[u"new4"]=>
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unicode(16) "Added property 4"
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[u"new5"]=>
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unicode(16) "Added property 5"
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[u"new6"]=>
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unicode(16) "Added property 6"
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[u"new7"]=>
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unicode(16) "Added property 7"
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[u"new8"]=>
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&unicode(16) "Added property 8"
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[u"new9"]=>
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unicode(16) "Added property 9"
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[u"new10"]=>
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unicode(17) "Added property 10"
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[u"new11"]=>
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unicode(17) "Added property 11"
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}
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Removing properties from an object.
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unicode(10) "Original a"
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object(C)#%d (2) {
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[u"d":protected]=>
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unicode(10) "Original d"
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[u"e":u"C":private]=>
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unicode(10) "Original e"
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}
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Removing properties from an object, using &$value.
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unicode(10) "Original a"
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object(C)#%d (2) {
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[u"d":protected]=>
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unicode(10) "Original d"
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[u"e":u"C":private]=>
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unicode(10) "Original e"
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}
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===DONE===
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