PostgreSQL: Display all SQL command warnings and only once

CHANGELOG.md

@@ -2,6 +2,7 @@
 - Select: Disable Ctrl+click inline edit without UPDATE privilege
 - Export: Remember unchecked objects (regression from 5.0.6)
 - PostgreSQL: Order NULL last
+- PostgreSQL: Display all SQL command warnings and only once
 
 ## Adminer 5.4.2 (released 2026-02-08)
 - Avoid denial-of-service via version check (GHSA-q4f2-39gr-45jh, regression from 4.6.2)

adminer/drivers/pgsql.inc.php

@@ -88,7 +88,13 @@ if (isset($_GET["pgsql"])) {
 			}
 
 			function warnings() {
-				return h(pg_last_notice($this->link)); // second parameter is available since PHP 7.1.0
+				if (PHP_VERSION_ID >= 70100) {
+					$return = implode("\n", pg_last_notice($this->link, 2)); // 2 - PGSQL_NOTICE_ALL
+					pg_last_notice($this->link, 3); // 3 - PGSQL_NOTICE_CLEAR
+				} else {
+					$return = pg_last_notice($this->link);
+				}
+				return nl_br(h($return));
 			}
 
 			/** Copy from array into a table

phpstan.neon

@@ -22,6 +22,7 @@ parameters:
 		- "~expects bool~" # truthy values
 		- "~fread expects int<1, max>, 100000~" # 1e6
 		- "~'strlen' given~" # used as a bool callback
+		- "~between int<70100~" # PHP_VERSION_ID check
 
 		-
 			message: "~ type specified~" # duplicate functions and methods