more testcase for array_filter() function

ext/standard/tests/array/array_filter_object.phpt

@@ -0,0 +1,155 @@
+--TEST--
+Test array_filter() function : object functionality 
+--FILE--
+<?php
+/* Prototype  : array array_filter(array $input [, callback $callback])
+ * Description: Filters elements from the array via the callback. 
+ * Source code: ext/standard/array.c
+*/
+
+/* This file uses 'input' array with different types of objects and passes
+ * it to array_filter() to test object functionality
+ * i.e. object of simple class with members and functions
+ * object of empty class
+ * object of child class extending abstract class
+ * object of class containing static member
+ */
+
+echo "*** Testing array_filter() : object functionality ***\n";
+
+// simple class with members - variable and method
+class SimpleClass
+{
+  public $var1 = 10;
+  public function check() {
+    return $var1;
+  }
+}
+
+// class without members
+class EmptyClass
+{
+}
+
+// abstract class
+abstract class AbstractClass
+{
+  protected $var2 = 5;
+  abstract function emptyMethod();
+}
+
+// class deriving above abstract class
+class ChildClass extends AbstractClass
+{
+  private $var3;
+  public function emptyMethod() { 
+    echo "defined in child";
+  }
+}
+
+// class with final method
+class FinalClass
+{
+  private $var4;
+  final function finalMethod() { 
+    echo 'This can not be overloaded';
+  }
+}
+
+// class with static members
+class StaticClass
+{
+  static $var5 = 5;
+  public static function staticMethod() {
+    echo 'this is static method';
+  }
+}
+
+// Callback function which returns always true
+function always_true($input)
+{
+  return true;
+}
+
+// Callback function which returns always false
+function always_false($input)
+{
+  return false;
+}
+
+// 'input' array containing objects as elements
+$input = array(
+  new SimpleClass(), 
+  new EmptyClass(), 
+  new ChildClass(),
+  new FinalClass(),
+  new StaticClass()
+);
+
+
+// with default callback
+var_dump( array_filter($input) );
+
+// with always_true callback function
+var_dump( array_filter($input, "always_true") );
+
+// with always_false callback function
+var_dump( array_filter($input, "always_false") );
+
+echo "Done"
+?>
+--EXPECTF--
+*** Testing array_filter() : object functionality ***
+array(5) {
+  [0]=>
+  object(SimpleClass)#%d (1) {
+    ["var1"]=>
+    int(10)
+  }
+  [1]=>
+  object(EmptyClass)#%d (0) {
+  }
+  [2]=>
+  object(ChildClass)#%d (2) {
+    ["var3:private"]=>
+    NULL
+    ["var2:protected"]=>
+    int(5)
+  }
+  [3]=>
+  object(FinalClass)#%d (1) {
+    ["var4:private"]=>
+    NULL
+  }
+  [4]=>
+  object(StaticClass)#%d (0) {
+  }
+}
+array(5) {
+  [0]=>
+  object(SimpleClass)#%d (1) {
+    ["var1"]=>
+    int(10)
+  }
+  [1]=>
+  object(EmptyClass)#%d (0) {
+  }
+  [2]=>
+  object(ChildClass)#%d (2) {
+    ["var3:private"]=>
+    NULL
+    ["var2:protected"]=>
+    int(5)
+  }
+  [3]=>
+  object(FinalClass)#%d (1) {
+    ["var4:private"]=>
+    NULL
+  }
+  [4]=>
+  object(StaticClass)#%d (0) {
+  }
+}
+array(0) {
+}
+Done