Fixed bug 48484 (array_product() always returns 0 for an empty array).

ext/standard/array.c

@@ -4052,10 +4052,10 @@ PHP_FUNCTION(array_product)
 		return;
 	}
 
+	ZVAL_LONG(return_value, 1);
 	if (!zend_hash_num_elements(Z_ARRVAL_P(input))) {
-		RETURN_LONG(0);
+		return;
 	}
-	ZVAL_LONG(return_value, 1);
 
 	for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(input), &pos);
 		zend_hash_get_current_data_ex(Z_ARRVAL_P(input), (void **)&entry, &pos) == SUCCESS;

ext/standard/tests/array/bug35014.phpt

@@ -25,7 +25,7 @@ foreach ($tests as $v) {
 --EXPECTF--	
 Warning: array_product() expects parameter 1 to be array, string given in %s on line %d
 NULL
-int(0)
+int(1)
 int(0)
 int(3)
 int(9)

ext/standard/tests/array/bug35014_64bit.phpt

@@ -25,7 +25,7 @@ foreach ($tests as $v) {
 --EXPECTF--	
 Warning: array_product() expects parameter 1 to be array, string given in %s on line %d
 NULL
-int(0)
+int(1)
 int(0)
 int(3)
 int(9)

ext/standard/tests/array/bug48484.phpt

@@ -0,0 +1,8 @@
+--TEST--
+Bug 48484 (array_product() always returns 0 for an empty array)
+--FILE--
+<?php
+var_dump(array_product(array()));
+?>
+--EXPECT--	
+int(1)