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[mdref/mdref-propro] / php / PropertyProxy / __construct.md

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+# void php\PropertyProxy::__construct(mixed &$object, string $member[, php\PropertyProxy $parent = NLL])
+
+Create a new property proxy for the property $member of $object.
+
+## Params:
+
+* mixed reference &$object  
+  The storage from which to reference the property.
+* string $member  
+  The name of the property to reference.
+* php\PropertyProxy $parent = NULL  
+  Any parent property proxy.
+
+## Example:
+
+    class c {
+        private $storage = array();
+        function __get($p) {
+            return new php\PropertyProxy($this->storage, $p);
+        }
+        function __set($p, $v) {
+            $this->storage[$p] = $v;
+        }
+    }
+
+    $c = new c;
+    $c->data["foo"] = 1;
+
+    var_dump($c);
+
+    $c->data[] = 1;
+    $c->data[] = 2;
+    $c->data[] = 3;
+    $c->data["bar"][] = 123;
+    $c->data["bar"][] = 456;
+
+    var_dump($c);
+    unset($c->data["bar"][0]);
+
+    var_dump($c);
+
+Yields:
+
+    object(c)#1 (1) {
+      ["storage":"c":private]=>
+      array(1) {
+        ["data"]=>
+        array(1) {
+          ["foo"]=>
+          int(1)
+        }
+      }
+    }
+    object(c)#1 (1) {
+      ["storage":"c":private]=>
+      array(1) {
+        ["data"]=>
+        array(5) {
+          ["foo"]=>
+          int(1)
+          [0]=>
+          int(1)
+          [1]=>
+          int(2)
+          [2]=>
+          int(3)
+          ["bar"]=>
+          array(2) {
+            [0]=>
+            int(123)
+            [1]=>
+            int(456)
+          }
+        }
+      }
+    }
+    object(c)#1 (1) {
+      ["storage":"c":private]=>
+      array(1) {
+        ["data"]=>
+        array(5) {
+          ["foo"]=>
+          int(1)
+          [0]=>
+          int(1)
+          [1]=>
+          int(2)
+          [2]=>
+          int(3)
+          ["bar"]=>
+          array(1) {
+            [1]=>
+            int(456)
+          }
+        }
+      }
+    }