Merge pull request #3799 from lcobucci/upgrade-phpstan

Upgrade to PHPStan v0.12

composer.json

@@ -40,7 +40,7 @@
     "require-dev": {
         "doctrine/coding-standard": "^6.0",
         "jetbrains/phpstorm-stubs": "^2019.1",
-        "phpstan/phpstan": "^0.11.3",
+        "phpstan/phpstan": "^0.12",
         "phpunit/phpunit": "^8.4.1",
         "symfony/console": "^2.0.5|^3.0|^4.0|^5.0"
     },

lib/Doctrine/DBAL/Cache/ArrayStatement.php

@@ -46,6 +46,8 @@ class ArrayStatement implements IteratorAggregate, ResultStatement
     public function closeCursor()
     {
         unset($this->data);
+
+        return true;
     }
 
     /**

lib/Doctrine/DBAL/Configuration.php

@@ -140,6 +140,8 @@ class Configuration
      * @see   getAutoCommit
      *
      * @param bool $autoCommit True to enable auto-commit mode; false to disable it.
+     *
+     * @return void
      */
     public function setAutoCommit($autoCommit)
     {

lib/Doctrine/DBAL/Connection.php

@@ -383,7 +383,7 @@ class Connection implements DriverConnection
      *
      * @throws DBALException If an invalid platform was specified for this connection.
      */
-    private function detectDatabasePlatform()
+    private function detectDatabasePlatform() : void
     {
         $version = $this->getDatabasePlatformVersion();
 
@@ -504,6 +504,8 @@ class Connection implements DriverConnection
      * @see   isAutoCommit
      *
      * @param bool $autoCommit True to enable auto-commit mode; false to disable it.
+     *
+     * @return void
      */
     public function setAutoCommit($autoCommit)
     {
@@ -1316,7 +1318,7 @@ class Connection implements DriverConnection
     /**
      * Commits all current nesting transactions.
      */
-    private function commitAll()
+    private function commitAll() : void
     {
         while ($this->transactionNestingLevel !== 0) {
             if ($this->autoCommit === false && $this->transactionNestingLevel === 1) {
@@ -1334,6 +1336,8 @@ class Connection implements DriverConnection
     /**
      * Cancels any database changes done during the current transaction.
      *
+     * @return bool
+     *
      * @throws ConnectionException If the rollback operation failed.
      */
     public function rollBack()
@@ -1373,6 +1377,8 @@ class Connection implements DriverConnection
             $this->isRollbackOnly = true;
             --$this->transactionNestingLevel;
         }
+
+        return true;
     }
 
     /**

lib/Doctrine/DBAL/Connections/MasterSlaveConnection.php

@@ -120,7 +120,9 @@ class MasterSlaveConnection extends Connection
     }
 
     /**
-     * {@inheritDoc}
+     * @param string|null $connectionName
+     *
+     * @return bool
      */
     public function connect($connectionName = null)
     {

lib/Doctrine/DBAL/DBALException.php

@@ -157,7 +157,7 @@ class DBALException extends Exception
     /**
      * @return self
      */
-    private static function wrapException(Driver $driver, Throwable $driverEx, $msg)
+    private static function wrapException(Driver $driver, Throwable $driverEx, string $msg)
     {
         if ($driverEx instanceof DriverException) {
             return $driverEx;

lib/Doctrine/DBAL/Driver/IBMDB2/DB2Connection.php

@@ -8,6 +8,7 @@ use Doctrine\DBAL\ParameterType;
 use stdClass;
 use const DB2_AUTOCOMMIT_OFF;
 use const DB2_AUTOCOMMIT_ON;
+use function assert;
 use function db2_autocommit;
 use function db2_commit;
 use function db2_conn_error;
@@ -23,6 +24,7 @@ use function db2_rollback;
 use function db2_server_info;
 use function db2_stmt_errormsg;
 use function func_get_args;
+use function is_bool;
 
 class DB2Connection implements Connection, ServerInfoAwareConnection
 {
@@ -140,7 +142,10 @@ class DB2Connection implements Connection, ServerInfoAwareConnection
      */
     public function beginTransaction()
     {
-        db2_autocommit($this->conn, DB2_AUTOCOMMIT_OFF);
+        $result = db2_autocommit($this->conn, DB2_AUTOCOMMIT_OFF);
+        assert(is_bool($result));
+
+        return $result;
     }
 
     /**
@@ -151,7 +156,11 @@ class DB2Connection implements Connection, ServerInfoAwareConnection
         if (! db2_commit($this->conn)) {
             throw new DB2Exception(db2_conn_errormsg($this->conn));
         }
-        db2_autocommit($this->conn, DB2_AUTOCOMMIT_ON);
+
+        $result = db2_autocommit($this->conn, DB2_AUTOCOMMIT_ON);
+        assert(is_bool($result));
+
+        return $result;
     }
 
     /**
@@ -162,7 +171,11 @@ class DB2Connection implements Connection, ServerInfoAwareConnection
         if (! db2_rollback($this->conn)) {
             throw new DB2Exception(db2_conn_errormsg($this->conn));
         }
-        db2_autocommit($this->conn, DB2_AUTOCOMMIT_ON);
+
+        $result = db2_autocommit($this->conn, DB2_AUTOCOMMIT_ON);
+        assert(is_bool($result));
+
+        return $result;
     }
 
     /**

lib/Doctrine/DBAL/Driver/Mysqli/MysqliConnection.php

@@ -222,7 +222,7 @@ class MysqliConnection implements Connection, PingableConnection, ServerInfoAwar
      * @throws MysqliException When one of of the options is not supported.
      * @throws MysqliException When applying doesn't work - e.g. due to incorrect value.
      */
-    private function setDriverOptions(array $driverOptions = [])
+    private function setDriverOptions(array $driverOptions = []) : void
     {
         $supportedDriverOptions = [
             MYSQLI_OPT_CONNECT_TIMEOUT,
@@ -281,7 +281,7 @@ class MysqliConnection implements Connection, PingableConnection, ServerInfoAwar
      *
      * @throws MysqliException
      */
-    private function setSecureConnection(array $params)
+    private function setSecureConnection(array $params) : void
     {
         if (! isset($params['ssl_key']) &&
             ! isset($params['ssl_cert']) &&

lib/Doctrine/DBAL/Driver/Mysqli/MysqliStatement.php

@@ -207,12 +207,14 @@ class MysqliStatement implements IteratorAggregate, Statement
     /**
      * Binds parameters with known types previously bound to the statement
      */
-    private function bindTypedParameters()
+    private function bindTypedParameters() : void
     {
         $streams = $values = [];
         $types   = $this->types;
 
         foreach ($this->_bindedValues as $parameter => $value) {
+            assert(is_int($parameter));
+
             if (! isset($types[$parameter - 1])) {
                 $types[$parameter - 1] = static::$_paramTypeMap[ParameterType::STRING];
             }
@@ -243,9 +245,11 @@ class MysqliStatement implements IteratorAggregate, Statement
     /**
      * Handle $this->_longData after regular query parameters have been bound
      *
+     * @param array<int, resource> $streams
+     *
      * @throws MysqliException
      */
-    private function sendLongData($streams)
+    private function sendLongData(array $streams) : void
     {
         foreach ($streams as $paramNr => $stream) {
             while (! feof($stream)) {

lib/Doctrine/DBAL/Driver/PDOConnection.php

@@ -53,7 +53,10 @@ class PDOConnection extends PDO implements Connection, ServerInfoAwareConnection
     }
 
     /**
-     * {@inheritdoc}
+     * @param string          $prepareString
+     * @param array<int, int> $driverOptions
+     *
+     * @return Statement
      */
     public function prepare($prepareString, $driverOptions = [])
     {

lib/Doctrine/DBAL/Driver/PDOStatement.php

@@ -85,7 +85,13 @@ class PDOStatement extends \PDOStatement implements Statement
     }
 
     /**
-     * {@inheritdoc}
+     * @param mixed    $column
+     * @param mixed    $variable
+     * @param int      $type
+     * @param int|null $length
+     * @param mixed    $driverOptions
+     *
+     * @return bool
      */
     public function bindParam($column, &$variable, $type = ParameterType::STRING, $length = null, $driverOptions = null)
     {

lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereStatement.php

@@ -313,6 +313,8 @@ class SQLAnywhereStatement implements IteratorAggregate, Statement
         $this->defaultFetchMode          = $fetchMode;
         $this->defaultFetchClass         = $arg2 ?: $this->defaultFetchClass;
         $this->defaultFetchClassCtorArgs = $arg3 ? (array) $arg3 : $this->defaultFetchClassCtorArgs;
+
+        return true;
     }
 
     /**

lib/Doctrine/DBAL/Driver/SQLSrv/LastInsertId.php

@@ -12,6 +12,8 @@ class LastInsertId
 
     /**
      * @param int $id
+     *
+     * @return void
      */
     public function setId($id)
     {

lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvConnection.php

@@ -152,6 +152,8 @@ class SQLSrvConnection implements Connection, ServerInfoAwareConnection
         if (! sqlsrv_begin_transaction($this->conn)) {
             throw SQLSrvException::fromSqlSrvErrors();
         }
+
+        return true;
     }
 
     /**
@@ -162,6 +164,8 @@ class SQLSrvConnection implements Connection, ServerInfoAwareConnection
         if (! sqlsrv_commit($this->conn)) {
             throw SQLSrvException::fromSqlSrvErrors();
         }
+
+        return true;
     }
 
     /**
@@ -172,6 +176,8 @@ class SQLSrvConnection implements Connection, ServerInfoAwareConnection
         if (! sqlsrv_rollback($this->conn)) {
             throw SQLSrvException::fromSqlSrvErrors();
         }
+
+        return true;
     }
 
     /**

lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvStatement.php

@@ -158,6 +158,8 @@ class SQLSrvStatement implements IteratorAggregate, Statement
 
         $this->variables[$param] = $value;
         $this->types[$param]     = $type;
+
+        return true;
     }
 
     /**
@@ -174,6 +176,8 @@ class SQLSrvStatement implements IteratorAggregate, Statement
 
         // unset the statement resource if it exists as the new one will need to be bound to the new variable
         $this->stmt = null;
+
+        return true;
     }
 
     /**
@@ -263,6 +267,8 @@ class SQLSrvStatement implements IteratorAggregate, Statement
         }
 
         $this->result = true;
+
+        return true;
     }
 
     /**

lib/Doctrine/DBAL/Event/Listeners/OracleSessionInit.php

@@ -49,9 +49,8 @@ class OracleSessionInit implements EventSubscriber
             return;
         }
 
-        array_change_key_case($this->_defaultSessionVars, CASE_UPPER);
         $vars = [];
-        foreach ($this->_defaultSessionVars as $option => $value) {
+        foreach (array_change_key_case($this->_defaultSessionVars, CASE_UPPER) as $option => $value) {
             if ($option === 'CURRENT_SCHEMA') {
                 $vars[] = $option . ' = ' . $value;
             } else {

lib/Doctrine/DBAL/Id/TableGenerator.php

@@ -10,6 +10,8 @@ use Doctrine\DBAL\LockMode;
 use Throwable;
 use const CASE_LOWER;
 use function array_change_key_case;
+use function assert;
+use function is_int;
 
 /**
  * Table ID Generator for those poor languages that are missing sequences.
@@ -111,6 +113,8 @@ class TableGenerator
                 $value = $row['sequence_value'];
                 $value++;
 
+                assert(is_int($value));
+
                 if ($row['sequence_increment_by'] > 1) {
                     $this->sequences[$sequenceName] = [
                         'value' => $value,

lib/Doctrine/DBAL/Platforms/AbstractPlatform.php

@@ -156,6 +156,8 @@ abstract class AbstractPlatform
 
     /**
      * Sets the EventManager used by the Platform.
+     *
+     * @return void
      */
     public function setEventManager(EventManager $eventManager)
     {
@@ -391,6 +393,8 @@ abstract class AbstractPlatform
      * @param string $dbType
      * @param string $doctrineType
      *
+     * @return void
+     *
      * @throws DBALException If the type is not found.
      */
     public function registerDoctrineTypeMapping($dbType, $doctrineType)
@@ -3291,6 +3295,8 @@ abstract class AbstractPlatform
     /**
      * @deprecated
      *
+     * @return string
+     *
      * @todo Remove in 3.0
      */
     public function getIdentityColumnNullInsertSQL()

lib/Doctrine/DBAL/Platforms/DB2Platform.php

@@ -628,7 +628,7 @@ class DB2Platform extends AbstractPlatform
      * @param string[]   $sql        The sequence of table alteration statements to fill.
      * @param mixed[]    $queryParts The sequence of column alteration clauses to fill.
      */
-    private function gatherAlterColumnSQL(Identifier $table, ColumnDiff $columnDiff, array &$sql, array &$queryParts)
+    private function gatherAlterColumnSQL(Identifier $table, ColumnDiff $columnDiff, array &$sql, array &$queryParts) : void
     {
         $alterColumnClauses = $this->getAlterColumnClausesSQL($columnDiff);
 

lib/Doctrine/DBAL/Platforms/DrizzlePlatform.php

@@ -335,7 +335,10 @@ class DrizzlePlatform extends AbstractPlatform
     }
 
     /**
-     * {@inheritDoc}
+     * @param string      $table
+     * @param string|null $database
+     *
+     * @return string
      */
     public function getListTableForeignKeysSQL($table, $database = null)
     {
@@ -435,7 +438,9 @@ class DrizzlePlatform extends AbstractPlatform
     }
 
     /**
-     * {@inheritDoc}
+     * @param string $table
+     *
+     * @return string
      */
     protected function getDropPrimaryKeySQL($table)
     {

lib/Doctrine/DBAL/Platforms/MySqlPlatform.php

@@ -175,7 +175,10 @@ class MySqlPlatform extends AbstractPlatform
     }
 
     /**
-     * {@inheritDoc}
+     * @param string      $table
+     * @param string|null $database
+     *
+     * @return string
      */
     public function getListTableForeignKeysSQL($table, $database = null)
     {

lib/Doctrine/DBAL/Platforms/OraclePlatform.php

@@ -37,6 +37,8 @@ class OraclePlatform extends AbstractPlatform
      *
      * @param string $identifier
      *
+     * @return void
+     *
      * @throws DBALException
      */
     public static function assertValidIdentifier($identifier)
@@ -59,7 +61,9 @@ class OraclePlatform extends AbstractPlatform
     }
 
     /**
-     * {@inheritDoc}
+     * @param string $type
+     *
+     * @return string
      */
     public function getNowExpression($type = 'timestamp')
     {

lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php

@@ -69,6 +69,8 @@ class PostgreSqlPlatform extends AbstractPlatform
      * Enables use of 'true'/'false' or otherwise 1 and 0 instead.
      *
      * @param bool $flag
+     *
+     * @return void
      */
     public function setUseBooleanTrueFalseStrings($flag)
     {
@@ -277,7 +279,10 @@ class PostgreSqlPlatform extends AbstractPlatform
     }
 
     /**
-     * {@inheritDoc}
+     * @param string      $table
+     * @param string|null $database
+     *
+     * @return string
      */
     public function getListTableForeignKeysSQL($table, $database = null)
     {

lib/Doctrine/DBAL/Platforms/SQLAnywherePlatform.php

@@ -628,15 +628,12 @@ class SQLAnywherePlatform extends AbstractPlatform
             case self::FOREIGN_KEY_MATCH_SIMPLE:
                 return 'SIMPLE';
 
-                break;
             case self::FOREIGN_KEY_MATCH_FULL:
                 return 'FULL';
 
-                break;
             case self::FOREIGN_KEY_MATCH_SIMPLE_UNIQUE:
                 return 'UNIQUE SIMPLE';
 
-                break;
             case self::FOREIGN_KEY_MATCH_FULL_UNIQUE:
                 return 'UNIQUE FULL';
             default:
@@ -1296,13 +1293,13 @@ SQL
     {
         switch ($level) {
             case TransactionIsolationLevel::READ_UNCOMMITTED:
-                return 0;
+                return '0';
             case TransactionIsolationLevel::READ_COMMITTED:
-                return 1;
+                return '1';
             case TransactionIsolationLevel::REPEATABLE_READ:
-                return 2;
+                return '2';
             case TransactionIsolationLevel::SERIALIZABLE:
-                return 3;
+                return '3';
             default:
                 throw new InvalidArgumentException('Invalid isolation level:' . $level);
         }

lib/Doctrine/DBAL/Platforms/SQLServerPlatform.php

@@ -933,7 +933,10 @@ SQL
     }
 
     /**
-     * {@inheritDoc}
+     * @param string      $table
+     * @param string|null $database
+     *
+     * @return string
      */
     public function getListTableForeignKeysSQL($table, $database = null)
     {

lib/Doctrine/DBAL/Platforms/SqlitePlatform.php

@@ -55,7 +55,9 @@ class SqlitePlatform extends AbstractPlatform
     }
 
     /**
-     * {@inheritDoc}
+     * @param string $type
+     *
+     * @return string
      */
     public function getNowExpression($type = 'timestamp')
     {
@@ -166,11 +168,11 @@ class SqlitePlatform extends AbstractPlatform
     {
         switch ($level) {
             case TransactionIsolationLevel::READ_UNCOMMITTED:
-                return 0;
+                return '0';
             case TransactionIsolationLevel::READ_COMMITTED:
             case TransactionIsolationLevel::REPEATABLE_READ:
             case TransactionIsolationLevel::SERIALIZABLE:
-                return 1;
+                return '1';
             default:
                 return parent::_getTransactionIsolationLevelSQL($level);
         }
@@ -222,7 +224,9 @@ class SqlitePlatform extends AbstractPlatform
     }
 
     /**
-     * {@inheritDoc}
+     * @param array<string, mixed> $field
+     *
+     * @return string
      */
     public function getTinyIntTypeDeclarationSql(array $field)
     {
@@ -248,7 +252,9 @@ class SqlitePlatform extends AbstractPlatform
     }
 
     /**
-     * {@inheritDoc}
+     * @param array<string, mixed> $field
+     *
+     * @return string
      */
     public function getMediumIntTypeDeclarationSql(array $field)
     {
@@ -600,7 +606,7 @@ class SqlitePlatform extends AbstractPlatform
     /**
      * {@inheritDoc}
      */
-    public function getForUpdateSql()
+    public function getForUpdateSQL()
     {
         return '';
     }
@@ -810,7 +816,10 @@ class SqlitePlatform extends AbstractPlatform
     }
 
     /**
-     * {@inheritDoc}
+     * @param string      $table
+     * @param string|null $database
+     *
+     * @return string
      */
     public function getListTableForeignKeysSQL($table, $database = null)
     {

lib/Doctrine/DBAL/Query/QueryBuilder.php

@@ -1174,7 +1174,7 @@ class QueryBuilder
      *
      * @throws QueryException
      */
-    private function verifyAllAliasesAreKnown(array $knownAliases)
+    private function verifyAllAliasesAreKnown(array $knownAliases) : void
     {
         foreach ($this->sqlParts['join'] as $fromAlias => $joins) {
             if (! isset($knownAliases[$fromAlias])) {

lib/Doctrine/DBAL/Schema/DB2SchemaManager.php

@@ -178,7 +178,9 @@ class DB2SchemaManager extends AbstractSchemaManager
     }
 
     /**
-     * {@inheritdoc}
+     * @param string $def
+     *
+     * @return string|null
      */
     protected function _getPortableForeignKeyRuleDef($def)
     {
@@ -220,7 +222,10 @@ class DB2SchemaManager extends AbstractSchemaManager
         $sql      = $platform->getListTableCommentsSQL($tableName);
 
         $tableOptions = $this->_conn->fetchAssoc($sql);
+
+        if ($tableOptions !== false) {
             $table->addOption('comment', $tableOptions['REMARKS']);
+        }
 
         return $table;
     }

lib/Doctrine/DBAL/Schema/ForeignKeyConstraint.php

@@ -365,7 +365,7 @@ class ForeignKeyConstraint extends AbstractAsset implements Constraint
             }
         }
 
-        return false;
+        return null;
     }
 
     /**

lib/Doctrine/DBAL/Schema/OracleSchemaManager.php

@@ -399,7 +399,10 @@ SQL;
         $sql      = $platform->getListTableCommentsSQL($tableName);
 
         $tableOptions = $this->_conn->fetchAssoc($sql);
+
+        if ($tableOptions !== false) {
             $table->addOption('comment', $tableOptions['COMMENTS']);
+        }
 
         return $table;
     }

lib/Doctrine/DBAL/Schema/PostgreSqlSchemaManager.php

@@ -500,7 +500,9 @@ class PostgreSqlSchemaManager extends AbstractSchemaManager
 
         $tableOptions = $this->_conn->fetchAssoc($sql);
 
+        if ($tableOptions !== false) {
             $table->addOption('comment', $tableOptions['table_comment']);
+        }
 
         return $table;
     }

lib/Doctrine/DBAL/Schema/SQLAnywhereSchemaManager.php

@@ -47,6 +47,8 @@ class SQLAnywhereSchemaManager extends AbstractSchemaManager
      * Starts a database.
      *
      * @param string $database The name of the database to start.
+     *
+     * @return void
      */
     public function startDatabase($database)
     {
@@ -58,6 +60,8 @@ class SQLAnywhereSchemaManager extends AbstractSchemaManager
      * Stops a database.
      *
      * @param string $database The name of the database to stop.
+     *
+     * @return void
      */
     public function stopDatabase($database)
     {

lib/Doctrine/DBAL/Schema/SqliteSchemaManager.php

@@ -223,9 +223,11 @@ class SqliteSchemaManager extends AbstractSchemaManager
     }
 
     /**
-     * {@inheritdoc}
-     *
      * @deprecated
+     *
+     * @param array<string, mixed> $tableIndex
+     *
+     * @return array<string, bool|string>
      */
     protected function _getPortableTableIndexDefinition($tableIndex)
     {

lib/Doctrine/DBAL/Schema/Synchronizer/AbstractSchemaSynchronizer.php

@@ -20,6 +20,8 @@ abstract class AbstractSchemaSynchronizer implements SchemaSynchronizer
 
     /**
      * @param string[] $sql
+     *
+     * @return void
      */
     protected function processSqlSafely(array $sql)
     {
@@ -33,6 +35,8 @@ abstract class AbstractSchemaSynchronizer implements SchemaSynchronizer
 
     /**
      * @param string[] $sql
+     *
+     * @return void
      */
     protected function processSql(array $sql)
     {

lib/Doctrine/DBAL/Schema/Table.php

@@ -300,6 +300,8 @@ class Table extends AbstractAsset
      * @param string $oldColumnName
      * @param string $newColumnName
      *
+     * @return void
+     *
      * @throws DBALException
      */
     public function renameColumn($oldColumnName, $newColumnName)

lib/Doctrine/DBAL/Schema/Visitor/NamespaceVisitor.php

@@ -11,6 +11,8 @@ interface NamespaceVisitor
      * Accepts a schema namespace name.
      *
      * @param string $namespaceName The schema namespace name to accept.
+     *
+     * @return void
      */
     public function acceptNamespace($namespaceName);
 }

lib/Doctrine/DBAL/Schema/Visitor/SchemaDiffVisitor.php

@@ -14,26 +14,37 @@ interface SchemaDiffVisitor
 {
     /**
      * Visit an orphaned foreign key whose table was deleted.
+     *
+     * @return void
      */
     public function visitOrphanedForeignKey(ForeignKeyConstraint $foreignKey);
 
     /**
      * Visit a sequence that has changed.
+     *
+     * @return void
      */
     public function visitChangedSequence(Sequence $sequence);
 
     /**
      * Visit a sequence that has been removed.
+     *
+     * @return void
      */
     public function visitRemovedSequence(Sequence $sequence);
 
+    /** @return void */
     public function visitNewSequence(Sequence $sequence);
 
+    /** @return void */
     public function visitNewTable(Table $table);
 
+    /** @return void */
     public function visitNewTableForeignKey(Table $table, ForeignKeyConstraint $foreignKey);
 
+    /** @return void */
     public function visitRemovedTable(Table $table);
 
+    /** @return void */
     public function visitChangedTable(TableDiff $tableDiff);
 }

lib/Doctrine/DBAL/Tools/Console/Command/ImportCommand.php

@@ -28,9 +28,7 @@ use function sprintf;
  */
 class ImportCommand extends Command
 {
-    /**
-     * {@inheritdoc}
-     */
+    /** @return void */
     protected function configure()
     {
         $this

lib/Doctrine/DBAL/Tools/Console/Command/ReservedWordsCommand.php

@@ -66,9 +66,7 @@ class ReservedWordsCommand extends Command
         $this->keywordListClasses[$name] = $class;
     }
 
-    /**
-     * {@inheritdoc}
-     */
+    /** @return void */
     protected function configure()
     {
         $this

lib/Doctrine/DBAL/Tools/Console/Command/RunSqlCommand.php

@@ -21,9 +21,7 @@ use function stripos;
  */
 class RunSqlCommand extends Command
 {
-    /**
-     * {@inheritdoc}
-     */
+    /** @return void */
     protected function configure()
     {
         $this

lib/Doctrine/DBAL/Tools/Console/ConsoleRunner.php

@@ -63,6 +63,8 @@ class ConsoleRunner
 
     /**
      * Prints the instructions to create a configuration file
+     *
+     * @return void
      */
     public static function printCliConfigTemplate()
     {

lib/Doctrine/DBAL/Tools/Dumper.php

@@ -17,7 +17,6 @@ use function explode;
 use function extension_loaded;
 use function get_class;
 use function html_entity_decode;
-use function ini_get;
 use function ini_set;
 use function is_array;
 use function is_object;
@@ -55,14 +54,11 @@ final class Dumper
      */
     public static function dump($var, int $maxDepth = 2) : string
     {
-        $html = ini_get('html_errors');
-
-        if ($html !== true) {
-            ini_set('html_errors', true);
-        }
+        $html = ini_set('html_errors', '1');
+        assert(is_string($html));
 
         if (extension_loaded('xdebug')) {
-            ini_set('xdebug.var_display_max_depth', $maxDepth);
+            ini_set('xdebug.var_display_max_depth', (string) $maxDepth);
         }
 
         $var = self::export($var, $maxDepth);

lib/Doctrine/DBAL/Types/ConversionException.php

@@ -90,6 +90,13 @@ class ConversionException extends DBALException
         ), 0, $previous);
     }
 
+    /**
+     * @param mixed  $value
+     * @param string $format
+     * @param string $error
+     *
+     * @return ConversionException
+     */
     public static function conversionFailedSerialization($value, $format, $error)
     {
         $actualType = is_object($value) ? get_class($value) : gettype($value);

phpstan.neon.dist

@@ -5,6 +5,8 @@ parameters:
     autoload_files:
         - %currentWorkingDirectory%/tests/phpstan-polyfill.php
     reportUnmatchedIgnoredErrors: false
+    checkMissingIterableValueType: false
+    checkGenericClassInNonGenericObjectType: false
     ignoreErrors:
         # extension not available
         - '~^(Used )?(Function|Constant) sasql_\S+ not found\.\z~i'
@@ -23,7 +25,6 @@ parameters:
         - '~^Property Doctrine\\DBAL\\Schema\\Schema::\$_schemaConfig \(Doctrine\\DBAL\\Schema\\SchemaConfig\) does not accept default value of type false\.\z~'
         - '~^Method Doctrine\\DBAL\\Schema\\ForeignKeyConstraint::onEvent\(\) should return string\|null but returns false\.\z~'
         - '~^Method Doctrine\\DBAL\\Schema\\(Oracle|PostgreSql|SQLServer)SchemaManager::_getPortableTableDefinition\(\) should return array but returns string\.\z~'
-        - '~^Method Doctrine\\DBAL\\Platforms\\(|SQLAnywhere|Sqlite)Platform::_getTransactionIsolationLevelSQL\(\) should return string but returns int\.\z~'
         - '~^Method Doctrine\\DBAL\\Driver\\OCI8\\OCI8Connection::lastInsertId\(\) should return string but returns (int|false)\.\z~'
         - '~^Method Doctrine\\DBAL\\Driver\\SQLSrv\\SQLSrvConnection::errorCode\(\) should return string\|null but returns false\.\z~'
 
@@ -31,11 +32,11 @@ parameters:
         - '~^Call to an undefined method Doctrine\\DBAL\\Driver\\PDOConnection::sqliteCreateFunction\(\)\.\z~'
 
         # https://github.com/phpstan/phpstan/issues/1847
-        - '~^Parameter #2 \$registeredAliases of static method Doctrine\\DBAL\\Query\\QueryException::unknownAlias\(\) expects array<string>, array<int, int|string> given\.\z~'
-        - '~^Parameter #2 \$registeredAliases of static method Doctrine\\DBAL\\Query\\QueryException::nonUniqueAlias\(\) expects array<string>, array<int, int|string> given\.\z~'
+        - '~^Parameter #2 \$registeredAliases of static method Doctrine\\DBAL\\Query\\QueryException::unknownAlias\(\) expects array<string>, array<int, int\|string> given\.\z~'
+        - '~^Parameter #2 \$registeredAliases of static method Doctrine\\DBAL\\Query\\QueryException::nonUniqueAlias\(\) expects array<string>, array<int, int\|string> given\.\z~'
 
         # PHPStan is too strict about preg_replace(): https://phpstan.org/r/993dc99f-0d43-4b51-868b-d01f982c1463
-        - '~^Method Doctrine\\DBAL\\Platforms\\AbstractPlatform::escapeStringForLike\(\) should return string but returns string|null\.\z~'
+        - '~^Method Doctrine\\DBAL\\Platforms\\AbstractPlatform::escapeStringForLike\(\) should return string but returns string\|null\.\z~'
 
         # legacy variadic-like signature
         - '~^Method Doctrine\\DBAL(\\.*)?Connection::query\(\) invoked with \d+ parameters?, 0 required\.\z~'
@@ -55,3 +56,19 @@ parameters:
 
         # weird class name, represented in stubs as OCI_(Lob|Collection)
         - '~unknown class OCI-(Lob|Collection)~'
+
+        # https://github.com/JetBrains/phpstorm-stubs/pull/766
+        - '~^Method Doctrine\\DBAL\\Driver\\Mysqli\\MysqliStatement::_fetch\(\) never returns null so it can be removed from the return typehint\.$~'
+
+        # The ReflectionException in the case when the class does not exist is acceptable and does not need to be handled
+        - '~^Parameter #1 \$argument of class ReflectionClass constructor expects class-string<T of object>\|T of object, string given\.$~'
+
+        # https://github.com/phpstan/phpstan/issues/3132
+        -
+            message: '~^Call to function in_array\(\) with arguments Doctrine\\DBAL\\Schema\\Column, array<string> and true will always evaluate to false\.$~'
+            path: %currentWorkingDirectory%/lib/Doctrine/DBAL/Schema/Table.php
+
+        # https://github.com/phpstan/phpstan/issues/3133
+        -
+            message: '~^Cannot cast array<string>\|bool\|string\|null to int\.$~'
+            path: %currentWorkingDirectory%/lib/Doctrine/DBAL/Tools/Console/Command/RunSqlCommand.php