[pecl-database-ibm_db2] nonempty: Empty strings result in a function sequence error on PASE

Author: Calvin Buckley (NattyNarwhal) Date: 2026-07-16T14:01:27-03:00 Commit: https://github.com/php/pecl-database-ibm_db2/commit/9d0f2706fc8027dd6121e3d8cbf3ae0c992d0fc1 Raw diff: https://github.com/php/pecl-database-ibm_db2/commit/9d0f2706fc8027dd6121e3d8cbf3ae0c992d0fc1.diff Empty strings result in a function sequence error on PASE It makes no sense to use them. Changed paths: M ibm_db2.c Diff: diff --git a/ibm_db2.c b/ibm_db2.c index 54dc1bc..5831523 100644 --- a/ibm_db2.c +++ b/ibm_db2.c @@ -4038,6 +4038,11 @@ PHP_FUNCTION(db2_exec) return; } + if (!stmt_string || stmt_string_len < 1) { + zend_argument_value_error(2, "must be a non-empty string"); + return; + } + if (connection) { ZEND_FETCH_RESOURCE_2(conn_res, conn_handle*, &connection, connection_id, "Connection Resource", le_conn_struct, le_pconn_struct); @@ -4130,6 +4135,11 @@ PHP_FUNCTION(db2_prepare) return; } + if (!stmt_string || stmt_string_len < 1) { + zend_argument_value_error(2, "must be a non-empty string"); + return; + } + if (connection) { ZEND_FETCH_RESOURCE_2(conn_res, conn_handle*, &connection, connection_id, "Connection Resource", le_conn_struct, le_pconn_struct);