PHPStan: Fix level 1 errors

adminer/call.inc.php

@@ -19,6 +19,7 @@ foreach ($routine["fields"] as $i => $field) {
 if (!$error && $_POST) {
 	$call = array();
 	foreach ($routine["fields"] as $key => $field) {
+		$val = "";
 		if (in_array($key, $in)) {
 			$val = process_input($field);
 			if ($val === false) {

adminer/drivers/mssql.inc.php

@@ -316,7 +316,7 @@ if (isset($_GET["mssql"])) {
 		return $connection->error;
 	}
 
-	function get_databases() {
+	function get_databases($flush) {
 		return get_vals("SELECT name FROM sys.databases WHERE name NOT IN ('master', 'tempdb', 'model', 'msdb')");
 	}
 
@@ -598,7 +598,7 @@ WHERE OBJECT_NAME(i.object_id) = " . q($table), $connection2) as $row
 		return apply_queries("ALTER SCHEMA " . idf_escape($target) . " TRANSFER", array_merge($tables, $views));
 	}
 
-	function trigger($name) {
+	function trigger($name, $table) {
 		if ($name == "") {
 			return array();
 		}
@@ -707,7 +707,7 @@ WHERE sys1.xtype = 'TR' AND sys2.name = " . q($table)) as $row
 	function trigger_sql($table) {
 		$return = "";
 		foreach (triggers($table) as $name => $trigger) {
-			$return .= create_trigger(" ON " . table($table), trigger($name)) . ";";
+			$return .= create_trigger(" ON " . table($table), trigger($name, $table)) . ";";
 		}
 		return $return;
 	}

adminer/drivers/mysql.inc.php

@@ -961,10 +961,11 @@ if (!defined('Adminer\DRIVER')) {
 
 	/** Get information about trigger
 	* @param string trigger name
+	* @param string
 	* @return Trigger
 	* @phpstan-type Trigger array{Trigger:string, Timing:string, Event:string, Of:string, Type:string, Statement:string}
 	*/
-	function trigger($name) {
+	function trigger($name, $table) {
 		if ($name == "") {
 			return array();
 		}

adminer/drivers/oracle.inc.php

@@ -221,7 +221,7 @@ if (isset($_GET["oracle"])) {
 		return $connection->error;
 	}
 
-	function get_databases() {
+	function get_databases($flush) {
 		return get_vals(
 			"SELECT DISTINCT tablespace_name FROM (
 SELECT tablespace_name FROM user_tablespaces

adminer/drivers/pgsql.inc.php

@@ -338,7 +338,7 @@ if (isset($_GET["pgsql"])) {
 		return $connection->error;
 	}
 
-	function get_databases() {
+	function get_databases($flush) {
 		return get_vals("SELECT datname FROM pg_database
 WHERE datallowconn = TRUE AND has_database_privilege(datname, 'CONNECT')
 ORDER BY datname");

adminer/drivers/sqlite.inc.php

@@ -200,7 +200,7 @@ if (isset($_GET["sqlite"])) {
 		return new Db;
 	}
 
-	function get_databases() {
+	function get_databases($flush) {
 		return array();
 	}
 
@@ -567,7 +567,7 @@ if (isset($_GET["sqlite"])) {
 			}
 			$triggers = array();
 			foreach (triggers($table) as $trigger_name => $timing_event) {
-				$trigger = trigger($trigger_name);
+				$trigger = trigger($trigger_name, $table);
 				$triggers[] = "CREATE TRIGGER " . idf_escape($trigger_name) . " " . implode(" ", $timing_event) . " ON " . table($name) . "\n$trigger[Statement]";
 			}
 			$auto_increment = $auto_increment ? 0 : get_val("SELECT seq FROM sqlite_sequence WHERE name = " . q($table)); // if $auto_increment is set then it will be updated later
@@ -633,7 +633,7 @@ if (isset($_GET["sqlite"])) {
 		return false;
 	}
 
-	function trigger($name) {
+	function trigger($name, $table) {
 		if ($name == "") {
 			return array("Statement" => "BEGIN\n\t;\nEND");
 		}

adminer/dump.inc.php

@@ -93,6 +93,7 @@ SET foreign_key_checks = 0;
 					$table = (DB == "" || in_array($name, (array) $_POST["tables"]));
 					$data = (DB == "" || in_array($name, (array) $_POST["data"]));
 					if ($table || $data) {
+						$tmp_file = null;
 						if ($ext == "tar") {
 							$tmp_file = new TmpFile;
 							ob_start(array($tmp_file, 'write'), 1e5);

adminer/include/functions.inc.php

@@ -1050,8 +1050,10 @@ function lzw_decompress($binary) {
 		}
 	}
 	// decompression
+	/** @var list<?string> */
 	$dictionary = range("\0", "\xFF");
 	$return = "";
+	$word = "";
 	foreach ($codes as $i => $code) {
 		$element = $dictionary[$code];
 		if (!isset($element)) {

adminer/select.inc.php

@@ -118,9 +118,7 @@ if ($_POST && !$error) {
 				}
 			}
 			if ($_POST["delete"] || $set) {
-				if ($_POST["clone"]) {
-					$query = "INTO " . table($TABLE) . " (" . implode(", ", array_keys($set)) . ")\nSELECT " . implode(", ", $set) . "\nFROM " . table($TABLE);
-				}
+				$query = ($_POST["clone"] ? "INTO " . table($TABLE) . " (" . implode(", ", array_keys($set)) . ")\nSELECT " . implode(", ", $set) . "\nFROM " . table($TABLE) : "");
 				if ($_POST["all"] || ($primary && is_array($_POST["check"])) || $is_group) {
 					$result = ($_POST["delete"]
 						? $driver->delete($TABLE, $where_check)
@@ -484,6 +482,7 @@ if (!$columns && support("table")) {
 		if (!is_ajax()) {
 			if ($rows || $page) {
 				$exact_count = true;
+				$found_rows = null;
 				if ($_GET["page"] != "last") {
 					if ($limit == "" || (count($rows) < $limit && ($rows || !$page))) {
 						$found_rows = ($page ? $page * $limit : 0) + count($rows);
@@ -507,10 +506,8 @@ if (!$columns && support("table")) {
 					);
 					echo "\n";
 				}
-			}
 
 				echo "<div class='footer'><div>\n";
-			if ($rows || $page) {
 				if ($pagination) {
 					// display first, previous 4, next 4 and last page
 					$max_page = ($found_rows === false
@@ -578,9 +575,8 @@ if (!$columns && support("table")) {
 				}
 
 				$adminer->selectEmailPrint(array_filter($email_fields, 'strlen'), $columns);
-			}
-
 				echo "</div></div>\n";
+			}
 
 			if ($adminer->selectImportPrint()) {
 				echo "<div>";

adminer/sql.inc.php

@@ -152,6 +152,7 @@ if (!$error && $_POST) {
 										$time .= ", <a href='#$warnings_id'>" . lang('Warnings') . "</a>" . script("qsl('a').onclick = partial(toggle, '$warnings_id');", "");
 									}
 									$explain = null;
+									$orgtables = null;
 									$explain_id = "explain-$commands";
 									if (is_object($result)) {
 										$limit = $_POST["limit"];

compile.php

@@ -219,7 +219,7 @@ function minify_js($file) {
 	return lzw_compress($file);
 }
 
-function compile_file($match) {
+function compile_file($match, $callback) { // $callback only to match signature
 	global $project;
 	$file = "";
 	list(, $filenames, $callback) = $match;

phpstan.neon

@@ -1,10 +1,11 @@
 parameters:
-	level: 0
+	level: 1
 	ignoreErrors:
 		- identifier: include.fileNotFound # relative includes
 		- identifier: includeOnce.fileNotFound # ./adminer-plugins.php
 		- "~^Function (set_magic_quotes_runtime|mysql_)~" # PHP < 7 functions
 		- "~^Instantiated class Adminer\\w~" # no support for classes defined inside function
+		- "~^Variable \\$(adminer|connection|driver|drivers|error|HTTPS|LANG|langs|permanent|has_token|token|translations|VERSION) might not be defined~" # declared in bootstrap.inc.php
 	paths:
 		- .
 	phpVersion:

plugins/drivers/elastic.php

@@ -207,9 +207,7 @@ if (isset($_GET["elastic"])) {
 			if (empty($search)) {
 				return false;
 			}
-			if ($select == array("*")) {
-				$tableFields = array_keys(fields($table));
-			}
+			$tableFields = ($select == array("*") ? array_keys(fields($table)) : array());
 
 			$return = array();
 			foreach ($search["hits"]["hits"] as $hit) {
@@ -332,7 +330,7 @@ if (isset($_GET["elastic"])) {
 		return $credentials[1];
 	}
 
-	function get_databases() {
+	function get_databases($flush) {
 		return array("elastic");
 	}
 
@@ -445,7 +443,7 @@ if (isset($_GET["elastic"])) {
 		return h(connection()->error);
 	}
 
-	function information_schema() {
+	function information_schema($db) {
 		//
 	}
 

plugins/drivers/mongo.php

@@ -478,7 +478,7 @@ if (isset($_GET["mongo"])) {
 	function db_collation($db, $collations) {
 	}
 
-	function information_schema() {
+	function information_schema($db) {
 	}
 
 	function is_view($table_status) {

plugins/drivers/simpledb.php

@@ -274,7 +274,7 @@ if (isset($_GET["simpledb"])) {
 		return $credentials[1];
 	}
 
-	function get_databases() {
+	function get_databases($flush) {
 		return array("domain");
 	}
 
@@ -329,7 +329,7 @@ if (isset($_GET["simpledb"])) {
 		return h($connection->error);
 	}
 
-	function information_schema() {
+	function information_schema($db) {
 	}
 
 	function indexes($table, $connection2 = null) {