PR #1283. Thanks @fmk!

yatsukhnenko · yatsukhnenko · commit b566fb44efec · 2017-12-20T17:38:31.000+02:00
PHP &gt;=7.3.0 uses zend_string to store `php_url` elements.
diff --git a/redis_session.c b/redis_session.c
@@ -231,7 +231,11 @@ PS_OPEN_FUNC(redis)
             if (url->query != NULL) {
                 array_init(&params);
 
+#if (PHP_VERSION_ID < 70300)
                 sapi_module.treat_data(PARSE_STRING, estrdup(url->query), &params TSRMLS_CC);
+#else
+                sapi_module.treat_data(PARSE_STRING, estrndup(ZSTR_VAL(url->query), ZSTR_LEN(url->query)), &params TSRMLS_CC);
+#endif
 
                 if ((param = zend_hash_str_find(Z_ARRVAL(params), "weight", sizeof("weight") - 1)) != NULL) {
                     weight = zval_get_long(param);
@@ -276,9 +280,17 @@ PS_OPEN_FUNC(redis)
 
             RedisSock *redis_sock;
             if(url->host) {
+#if (PHP_VERSION_ID < 70300)
                 redis_sock = redis_sock_create(url->host, strlen(url->host), url->port, timeout, read_timeout, persistent, persistent_id, retry_interval, 0);
+#else
+                redis_sock = redis_sock_create(ZSTR_VAL(url->host), ZSTR_LEN(url->host), url->port, timeout, read_timeout, persistent, persistent_id, retry_interval, 0);
+#endif
             } else { /* unix */
+#if (PHP_VERSION_ID < 70300)
                 redis_sock = redis_sock_create(url->path, strlen(url->path), 0, timeout, read_timeout, persistent, persistent_id, retry_interval, 0);
+#else
+                redis_sock = redis_sock_create(ZSTR_VAL(url->path), ZSTR_LEN(url->path), 0, timeout, read_timeout, persistent, persistent_id, retry_interval, 0);
+#endif
             }
             redis_pool_add(pool, redis_sock, weight, database, prefix, auth TSRMLS_CC);
 
