diff --git a/ext/standard/array.c b/ext/standard/array.c
index 6e4dc100fdd..7571ec8550f 100644
--- a/ext/standard/array.c
+++ b/ext/standard/array.c
@@ -2978,7 +2978,7 @@ PHP_FUNCTION(array_unique)
 				if (Z_ARRVAL_P(return_value) == &EG(symbol_table)) {
 					zend_u_delete_global_variable(p->key.type, ZSTR(p->key.arKey.s), p->nKeyLength - 1 TSRMLS_CC);
 				} else {
-					zend_u_hash_del(Z_ARRVAL_P(return_value), p->key.type, ZSTR(p->key.arKey.s), p->nKeyLength);
+					zend_u_hash_quick_del(Z_ARRVAL_P(return_value), p->key.type, ZSTR(p->key.arKey.s), p->nKeyLength, p->h);
 				}
 			}
 		}
@@ -3075,10 +3075,12 @@ static void php_array_intersect_key(INTERNAL_FUNCTION_PARAMETERS, int data_compa
 		}
 	}
 
-	if (Z_TYPE_PP(args[0]) != IS_ARRAY) {
-		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Argument #1 is not an array");
-		RETVAL_NULL();
-		goto out;
+	for (i = 0; i < argc; i++) {
+		if (Z_TYPE_PP(args[i]) != IS_ARRAY) {
+			php_error_docref(NULL TSRMLS_CC, E_WARNING, "Argument #%d is not an array", i + 1);
+			RETVAL_NULL();
+			goto out;
+		}
 	}
 
 	array_init(return_value);
@@ -3087,12 +3089,7 @@ static void php_array_intersect_key(INTERNAL_FUNCTION_PARAMETERS, int data_compa
 		if (p->nKeyLength == 0) {
 			ok = 1;
 			for (i = 1; i < argc; i++) {
-				if (Z_TYPE_PP(args[i]) != IS_ARRAY) {
-					php_error_docref(NULL TSRMLS_CC, E_WARNING, "Argument #%d is not an array", i + 1);
-					zval_dtor(return_value);
-					RETVAL_NULL();
-					goto out;
-				} else if (zend_hash_index_find(Z_ARRVAL_PP(args[i]), p->h, (void**)&data) == FAILURE ||
+				if (zend_hash_index_find(Z_ARRVAL_PP(args[i]), p->h, (void**)&data) == FAILURE ||
 					(intersect_data_compare_func &&
 					intersect_data_compare_func((zval**)p->pData, data TSRMLS_CC) != 0)
 				) {
@@ -3107,12 +3104,7 @@ static void php_array_intersect_key(INTERNAL_FUNCTION_PARAMETERS, int data_compa
 		} else {
 			ok = 1;
 			for (i = 1; i < argc; i++) {
-				if (Z_TYPE_PP(args[i]) != IS_ARRAY) {
-					php_error_docref(NULL TSRMLS_CC, E_WARNING, "Argument #%d is not an array", i + 1);
-					zval_dtor(return_value);
-					RETVAL_NULL();
-					goto out;
-				} else if (zend_u_hash_quick_find(Z_ARRVAL_PP(args[i]), p->key.type, ZSTR(p->key.arKey.s), p->nKeyLength, p->h, (void**)&data) == FAILURE ||
+				if (zend_u_hash_quick_find(Z_ARRVAL_PP(args[i]), p->key.type, ZSTR(p->key.arKey.s), p->nKeyLength, p->h, (void**)&data) == FAILURE ||
 					(intersect_data_compare_func &&
 					intersect_data_compare_func((zval**)p->pData, data TSRMLS_CC) != 0)
 				) {
@@ -3342,7 +3334,7 @@ static void php_array_intersect(INTERNAL_FUNCTION_PARAMETERS, int behavior, int
 					if (p->nKeyLength == 0) {
 						zend_hash_index_del(Z_ARRVAL_P(return_value), p->h);
 					} else {
-						zend_u_hash_del(Z_ARRVAL_P(return_value), p->key.type, ZSTR(p->key.arKey.s), p->nKeyLength);
+						zend_u_hash_quick_del(Z_ARRVAL_P(return_value), p->key.type, ZSTR(p->key.arKey.s), p->nKeyLength, p->h);
 					}
 				}
 			}
@@ -3358,7 +3350,7 @@ static void php_array_intersect(INTERNAL_FUNCTION_PARAMETERS, int behavior, int
 				if (p->nKeyLength == 0) {
 					zend_hash_index_del(Z_ARRVAL_P(return_value), p->h);
 				} else {
-					zend_u_hash_del(Z_ARRVAL_P(return_value), p->key.type, ZSTR(p->key.arKey.s), p->nKeyLength);
+					zend_u_hash_quick_del(Z_ARRVAL_P(return_value), p->key.type, ZSTR(p->key.arKey.s), p->nKeyLength, p->h);
 				}
 				if (!*++ptrs[0]) {
 					goto out;
@@ -3501,10 +3493,12 @@ static void php_array_diff_key(INTERNAL_FUNCTION_PARAMETERS, int data_compare_ty
 		}
 	}
 
-	if (Z_TYPE_PP(args[0]) != IS_ARRAY) {
-		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Argument #1 is not an array");
-		RETVAL_NULL();
-		goto out;
+	for (i = 0; i < argc; i++) {
+		if (Z_TYPE_PP(args[i]) != IS_ARRAY) {
+			php_error_docref(NULL TSRMLS_CC, E_WARNING, "Argument #%d is not an array", i + 1);
+			RETVAL_NULL();
+			goto out;
+		}
 	}
 
 	array_init(return_value);
@@ -3513,12 +3507,7 @@ static void php_array_diff_key(INTERNAL_FUNCTION_PARAMETERS, int data_compare_ty
 		if (p->nKeyLength == 0) {
 			ok = 1;
 			for (i = 1; i < argc; i++) {
-				if (Z_TYPE_PP(args[i]) != IS_ARRAY) {
-					php_error_docref(NULL TSRMLS_CC, E_WARNING, "Argument #%d is not an array", i + 1);
-					zval_dtor(return_value);
-					RETVAL_NULL();
-					goto out;
-				} else if (zend_hash_index_find(Z_ARRVAL_PP(args[i]), p->h, (void**)&data) == SUCCESS &&
+				if (zend_hash_index_find(Z_ARRVAL_PP(args[i]), p->h, (void**)&data) == SUCCESS &&
 					(!diff_data_compare_func ||
 					diff_data_compare_func((zval**)p->pData, data TSRMLS_CC) == 0)
 				) {
@@ -3533,12 +3522,7 @@ static void php_array_diff_key(INTERNAL_FUNCTION_PARAMETERS, int data_compare_ty
 		} else {
 			ok = 1;
 			for (i = 1; i < argc; i++) {
-				if (Z_TYPE_PP(args[i]) != IS_ARRAY) {
-					php_error_docref(NULL TSRMLS_CC, E_WARNING, "Argument #%d is not an array", i + 1);
-					zval_dtor(return_value);
-					RETVAL_NULL();
-					goto out;
-				} else if (zend_u_hash_quick_find(Z_ARRVAL_PP(args[i]), p->key.type, ZSTR(p->key.arKey.s), p->nKeyLength, p->h, (void**)&data) == SUCCESS &&
+				if (zend_u_hash_quick_find(Z_ARRVAL_PP(args[i]), p->key.type, ZSTR(p->key.arKey.s), p->nKeyLength, p->h, (void**)&data) == SUCCESS &&
 					(!diff_data_compare_func ||
 					diff_data_compare_func((zval**)p->pData, data TSRMLS_CC) == 0)
 				) {
@@ -3780,7 +3764,7 @@ static void php_array_diff(INTERNAL_FUNCTION_PARAMETERS, int behavior, int data_
 				if (p->nKeyLength == 0) {
 					zend_hash_index_del(Z_ARRVAL_P(return_value), p->h);
 				} else {
-					zend_u_hash_del(Z_ARRVAL_P(return_value), p->key.type, ZSTR(p->key.arKey.s), p->nKeyLength);
+					zend_u_hash_quick_del(Z_ARRVAL_P(return_value), p->key.type, ZSTR(p->key.arKey.s), p->nKeyLength, p->h);
 				}
 				if (!*++ptrs[0]) {
 					goto out;