diff --git a/Zend/tests/bug45742.phpt b/Zend/tests/bug45742.phpt
new file mode 100644
index 00000000000..b21e093049e
--- /dev/null
+++ b/Zend/tests/bug45742.phpt
@@ -0,0 +1,24 @@
+--TEST--
+Bug #45742 Wrong class array inpretetion using constant indexes 
+--FILE--
+<?php
+class Constants {
+    // Needs to be equal
+    const A = 1;
+    const B = 1;
+}
+
+class ArrayProperty {
+    public static $array = array(
+        Constants::A => 23,
+        Constants::B => 42,
+    );
+}
+
+var_dump( ArrayProperty::$array );
+?>
+--EXPECT--
+array(1) {
+  [1]=>
+  int(23)
+}
diff --git a/Zend/zend_hash.c b/Zend/zend_hash.c
index b4c8e7a7948..5dc314e1826 100644
--- a/Zend/zend_hash.c
+++ b/Zend/zend_hash.c
@@ -1197,14 +1197,22 @@ ZEND_API int zend_hash_update_current_key_ex(HashTable *ht, int key_type, const
 					    	if (mode & HASH_UPDATE_KEY_IF_BEFORE) {
 					    		break;
 					    	} else {
-								zend_hash_index_del(ht, p->h);
+					    		if (p->nKeyLength) {
+									zend_hash_del(ht, p->arKey, p->nKeyLength);
+								} else {
+									zend_hash_index_del(ht, p->h);
+								}
 					    		return FAILURE;
 					    	}
 					    } else {
 					    	if (mode & HASH_UPDATE_KEY_IF_AFTER) {
 					    		break;
 					    	} else {
-								zend_hash_index_del(ht, p->h);
+					    		if (p->nKeyLength) {
+									zend_hash_del(ht, p->arKey, p->nKeyLength);
+								} else {
+									zend_hash_index_del(ht, p->h);
+								}
 					    		return FAILURE;
 					    	}
 						}
@@ -1234,14 +1242,22 @@ ZEND_API int zend_hash_update_current_key_ex(HashTable *ht, int key_type, const
 					    	if (mode & HASH_UPDATE_KEY_IF_BEFORE) {
 					    		break;
 					    	} else {
-								zend_hash_del(ht, p->arKey, p->nKeyLength);
+					    		if (p->nKeyLength) {
+									zend_hash_del(ht, p->arKey, p->nKeyLength);
+								} else {
+									zend_hash_index_del(ht, p->h);
+								}
 					    		return FAILURE;
 					    	}
 					    } else {
 					    	if (mode & HASH_UPDATE_KEY_IF_AFTER) {
 					    		break;
 					    	} else {
-								zend_hash_del(ht, p->arKey, p->nKeyLength);
+					    		if (p->nKeyLength) {
+									zend_hash_del(ht, p->arKey, p->nKeyLength);
+								} else {
+									zend_hash_index_del(ht, p->h);
+								}
 					    		return FAILURE;
 					    	}
 						}