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229 lines
4.2 KiB
PHP
229 lines
4.2 KiB
PHP
--TEST--
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Test is_object() function
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--FILE--
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<?php
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/* Prototype: bool is_object ( mixed $var );
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* Description: Finds whether the given variable is an object
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*/
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echo "*** Testing is_object() with valid objects ***\n";
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// class with no members
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class foo
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{
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// no members
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}
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// abstract class
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abstract class abstractClass
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{
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abstract protected function getClassName();
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public function printClassName () {
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echo $this->getClassName() . "\n";
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}
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}
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// implement abstract class
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class concreteClass extends abstractClass
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{
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protected function getClassName() {
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return "concreteClass";
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}
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}
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// interface class
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interface IValue
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{
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public function setVal ($name, $val);
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public function dumpVal ();
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}
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// implement the interface
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class Value implements IValue
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{
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private $vars = array ();
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public function setVal ( $name, $val ) {
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$this->vars[$name] = $val;
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}
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public function dumpVal () {
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var_dump ( $vars );
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}
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}
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// a gereral class
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class myClass
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{
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var $foo_object;
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public $public_var;
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public $public_var1;
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private $private_var;
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protected $protected_var;
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function myClass ( ) {
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$this->foo_object = new foo();
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$this->public_var = 10;
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$this->public_var1 = new foo();
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$this->private_var = new foo();
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$this->proected_var = new foo();
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}
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}
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// create a object of each class defined above
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$myClass_object = new myClass();
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$foo_object = new foo();
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$Value_object = new Value();
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$concreteClass_object = new concreteClass();
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$valid_objects = array(
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new stdclass,
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new foo,
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new concreteClass,
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new Value,
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new myClass,
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$myClass_object,
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$myClass_object->foo_object,
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$myClass_object->public_var1,
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$foo_object,
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$Value_object,
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$concreteClass_object
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);
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/* loop to check that is_object() recognizes different
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objects, expected output: bool(true) */
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$loop_counter = 1;
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foreach ($valid_objects as $object ) {
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echo "-- Iteration $loop_counter --\n"; $loop_counter++;
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var_dump( is_object($object) );
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}
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echo "\n*** Testing is_object() on non object types ***\n";
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// get a resource type variable
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$fp = fopen (__FILE__, "r");
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$dfp = opendir ( dirname(__FILE__) );
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// unset object
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$unset_object = new foo();
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unset ($unset_object);
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// other types in a array
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$not_objects = array (
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0,
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-1,
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0.1,
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-10.0000000000000000005,
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10.5e+5,
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0xFF,
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0123,
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$fp, // resource
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$dfp,
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array(),
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array("string"),
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"0",
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"1",
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"",
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true,
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NULL,
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null,
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@$unset_object, // unset object
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@$undefined_var, // undefined variable
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);
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/* loop through the $not_objects to see working of
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is_object() on non object types, expected output: bool(false) */
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$loop_counter = 1;
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foreach ($not_objects as $type ) {
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echo "-- Iteration $loop_counter --\n"; $loop_counter++;
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var_dump( is_object($type) );
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}
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echo "\n*** Testing error conditions ***\n";
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//Zero argument
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var_dump( is_object() );
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//arguments more than expected
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var_dump( is_object($myClass_object, $myClass_object) );
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echo "Done\n";
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?>
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--CLEAN--
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// close the resources used
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fclose($fp);
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closedir($dfp);
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--EXPECTF--
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*** Testing is_object() with valid objects ***
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-- Iteration 1 --
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bool(true)
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-- Iteration 2 --
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bool(true)
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-- Iteration 3 --
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bool(true)
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-- Iteration 4 --
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bool(true)
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-- Iteration 5 --
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bool(true)
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-- Iteration 6 --
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bool(true)
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-- Iteration 7 --
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bool(true)
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-- Iteration 8 --
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bool(true)
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-- Iteration 9 --
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bool(true)
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-- Iteration 10 --
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bool(true)
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-- Iteration 11 --
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bool(true)
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*** Testing is_object() on non object types ***
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-- Iteration 1 --
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bool(false)
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-- Iteration 2 --
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bool(false)
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-- Iteration 3 --
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bool(false)
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-- Iteration 4 --
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bool(false)
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-- Iteration 5 --
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bool(false)
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-- Iteration 6 --
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bool(false)
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-- Iteration 7 --
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bool(false)
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-- Iteration 8 --
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bool(false)
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-- Iteration 9 --
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bool(false)
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-- Iteration 10 --
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bool(false)
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-- Iteration 11 --
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bool(false)
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-- Iteration 12 --
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bool(false)
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-- Iteration 13 --
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bool(false)
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-- Iteration 14 --
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bool(false)
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-- Iteration 15 --
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bool(false)
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-- Iteration 16 --
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bool(false)
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-- Iteration 17 --
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bool(false)
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-- Iteration 18 --
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bool(false)
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-- Iteration 19 --
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bool(false)
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*** Testing error conditions ***
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Warning: is_object() expects exactly 1 parameter, 0 given in %s on line %d
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NULL
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Warning: is_object() expects exactly 1 parameter, 2 given in %s on line %d
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NULL
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Done
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