Add skipifs for zmm

Author: nikic

ext/standard/tests/strings/chunk_split_variation1_32bit.phpt

@@ -3,6 +3,7 @@ Test chunk_split() function : usage variations - unexpected large '$end' string
 --SKIPIF--
 <?php
 if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
+if (getenv("USE_ZEND_ALLOC") === "0") die("skip ZMM is disabled");
 ?>
 --FILE--
 <?php

ext/standard/tests/strings/chunk_split_variation3.phpt

@@ -1,5 +1,9 @@
 --TEST--
 Test chunk_split() function : usage variations - unexpected large number of chunks
+--SKIPIF--
+<?php
+if (getenv("USE_ZEND_ALLOC") === "0") die("skip ZMM is disabled");
+?>
 --FILE--
 <?php
 /* Prototype  : string chunk_split(string $str [, int $chunklen [, string $ending]])