1 files changed, 25 insertions, 0 deletions

diff --git a/src/sp_php_compat.c b/src/sp_php_compat.c
new file mode 100644
index 0000000..a0693c3
--- /dev/null
+++ b/src/sp_php_compat.c
@@ -0,0 +1,25 @@
+#include "php_snuffleupagus.h"
+
+/* code in this file is licensed under its original license
+   The PHP License, version 3.01 (https://www.php.net/license/3_01.txt)
+   which is also included with these sources in the file `PHP_LICENSE` */
+
+#if PHP_VERSION_ID < 80000
+
+// copied from PHP 8.0.9 sources
+
+ZEND_API zend_string *zend_string_concat2(
+                const char *str1, size_t str1_len,
+                const char *str2, size_t str2_len)
+{
+        size_t len = str1_len + str2_len;
+        zend_string *res = zend_string_alloc(len, 0);
+
+        memcpy(ZSTR_VAL(res), str1, str1_len);
+        memcpy(ZSTR_VAL(res) + str1_len, str2, str2_len);
+        ZSTR_VAL(res)[len] = '\0';
+
+        return res;
+}
+
+#endif