1 files changed, 113 insertions, 0 deletions
diff --git a/ext/reflection/tests/ReflectionProperty_isInitialized.phpt b/ext/reflection/tests/ReflectionProperty_isInitialized.phpt
new file mode 100644
index 0000000000..f1f6e53ebd
--- /dev/null
+++ b/ext/reflection/tests/ReflectionProperty_isInitialized.phpt
@@ -0,0 +1,113 @@
+--TEST--
+Test ReflectionProperty::isInitialized()
+--FILE--
+<?php
+
+class A {
+	public static ?string $ssv = null;
+	public static ?string $ss;
+	public static $s;
+	public ?int $iv = null;
+	public ?int $i;
+	public $n;
+
+    private int $p;
+}
+
+class B extends A { }
+
+echo "Static properties:\n";
+var_dump((new ReflectionProperty(A::class, 'ssv'))->isInitialized());
+var_dump((new ReflectionProperty(A::class, 'ss'))->isInitialized());
+var_dump((new ReflectionProperty(A::class, 's'))->isInitialized());
+
+echo "Declared properties:\n";
+$a = new A;
+var_dump((new ReflectionProperty($a, 'iv'))->isInitialized($a));
+var_dump((new ReflectionProperty($a, 'i'))->isInitialized($a));
+var_dump((new ReflectionProperty($a, 'n'))->isInitialized($a));
+
+echo "Declared properties after unset:\n";
+unset($a->iv);
+unset($a->i);
+unset($a->n);
+var_dump((new ReflectionProperty($a, 'i'))->isInitialized($a));
+var_dump((new ReflectionProperty($a, 'iv'))->isInitialized($a));
+var_dump((new ReflectionProperty($a, 'n'))->isInitialized($a));
+
+echo "Dynamic properties:\n";
+$a->d = null;
+$rp = new ReflectionProperty($a, 'd');
+var_dump($rp->isInitialized($a));
+unset($a->d);
+var_dump($rp->isInitialized($a));
+
+echo "Visibility handling:\n";
+$rp = new ReflectionProperty('A', 'p');
+try {
+    var_dump($rp->isInitialized($a));
+} catch (ReflectionException $e) {
+    echo $e->getMessage(), "\n";
+}
+$rp->setAccessible(true);
+var_dump($rp->isInitialized($a));
+
+echo "Object type:\n";
+$rp = new ReflectionProperty('B', 'i');
+var_dump($rp->isInitialized($a));
+
+try {
+    var_dump($rp->isInitialized(new stdClass));
+} catch (ReflectionException $e) {
+    echo $e->getMessage(), "\n";
+}
+
+class WithMagic {
+    public $prop;
+    public int $intProp;
+
+    public function __isset($name) {
+        echo "__isset($name)\n";
+        return true;
+    }
+
+    public function __get($name) {
+        echo "__get($name)\n";
+        return "foobar";
+    }
+}
+
+echo "Class with __isset:\n";
+$obj = new WithMagic;
+unset($obj->prop);
+$rp = new ReflectionProperty('WithMagic', 'prop');
+var_dump($rp->isInitialized($obj));
+$rp = new ReflectionProperty('WithMagic', 'intProp');
+var_dump($rp->isInitialized($obj));
+
+?>
+--EXPECT--
+Static properties:
+bool(true)
+bool(false)
+bool(true)
+Declared properties:
+bool(true)
+bool(false)
+bool(true)
+Declared properties after unset:
+bool(false)
+bool(false)
+bool(false)
+Dynamic properties:
+bool(true)
+bool(false)
+Visibility handling:
+Cannot access non-public member A::$p
+bool(false)
+Object type:
+bool(false)
+Given object is not an instance of the class this property was declared in
+Class with __isset:
+bool(false)
+bool(false)