ext/phar: Fix nonnull warnings

Author: Girgias

ext/phar/stream.c

@@ -209,23 +209,29 @@ static php_stream * phar_wrapper_open_url(php_stream_wrapper *wrapper, const cha
 		php_url_free(resource);
 		efree(internal_file);
 
-		if (context && Z_TYPE(context->options) != IS_UNDEF && (pzoption = zend_hash_str_find(HASH_OF(&context->options), "phar", sizeof("phar")-1)) != NULL) {
-			pharcontext = HASH_OF(pzoption);
-			if (idata->internal_file->uncompressed_filesize == 0
-				&& idata->internal_file->compressed_filesize == 0
-				&& (pzoption = zend_hash_str_find(pharcontext, "compress", sizeof("compress")-1)) != NULL
-				&& Z_TYPE_P(pzoption) == IS_LONG
-				&& (Z_LVAL_P(pzoption) & ~PHAR_ENT_COMPRESSION_MASK) == 0
-			) {
-				idata->internal_file->flags &= ~PHAR_ENT_COMPRESSION_MASK;
-				idata->internal_file->flags |= Z_LVAL_P(pzoption);
-			}
-			if ((pzoption = zend_hash_str_find(pharcontext, "metadata", sizeof("metadata")-1)) != NULL) {
-				phar_metadata_tracker_free(&idata->internal_file->metadata_tracker, idata->internal_file->is_persistent);
+		if (context && !Z_ISUNDEF(context->options)) {
+			const HashTable *options_ht = HASH_OF(&context->options);
+			ZEND_ASSERT(options_ht != NULL);
+
+			pzoption = zend_hash_str_find(options_ht, ZEND_STRL("phar"));
+			if (pzoption != NULL) {
+				pharcontext = HASH_OF(pzoption);
+				if (idata->internal_file->uncompressed_filesize == 0
+					&& idata->internal_file->compressed_filesize == 0
+					&& (pzoption = zend_hash_str_find(pharcontext, "compress", sizeof("compress")-1)) != NULL
+					&& Z_TYPE_P(pzoption) == IS_LONG
+					&& (Z_LVAL_P(pzoption) & ~PHAR_ENT_COMPRESSION_MASK) == 0
+				) {
+					idata->internal_file->flags &= ~PHAR_ENT_COMPRESSION_MASK;
+					idata->internal_file->flags |= Z_LVAL_P(pzoption);
+				}
+				if ((pzoption = zend_hash_str_find(pharcontext, "metadata", sizeof("metadata")-1)) != NULL) {
+					phar_metadata_tracker_free(&idata->internal_file->metadata_tracker, idata->internal_file->is_persistent);
 
-				metadata = pzoption;
-				ZVAL_COPY_DEREF(&idata->internal_file->metadata_tracker.val, metadata);
-				idata->phar->is_modified = 1;
+					metadata = pzoption;
+					ZVAL_COPY_DEREF(&idata->internal_file->metadata_tracker.val, metadata);
+					idata->phar->is_modified = 1;
+				}
 			}
 		}
 		if (opened_path) {