PHPStan Level 4

lib/Doctrine/DBAL/Connection.php

@@ -149,7 +149,7 @@ class Connection implements DriverConnection
     /**
      * The schema manager.
      *
-     * @var AbstractSchemaManager
+     * @var AbstractSchemaManager|null
      */
     protected $_schemaManager;
 
@@ -1446,7 +1446,7 @@ public function getWrappedConnection()
      */
     public function getSchemaManager()
     {
-        if (! $this->_schemaManager) {
+        if ($this->_schemaManager === null) {
             $this->_schemaManager = $this->_driver->getSchemaManager($this);
         }
 

lib/Doctrine/DBAL/Connections/MasterSlaveConnection.php

@@ -133,7 +133,7 @@ public function connect($connectionName = null)
         // If we have a connection open, and this is not an explicit connection
         // change request, then abort right here, because we are already done.
         // This prevents writes to the slave in case of "keepSlave" option enabled.
-        if (isset($this->_conn) && $this->_conn && ! $requestedConnectionChange) {
+        if ($this->_conn !== null && ! $requestedConnectionChange) {
             return false;
         }
 
@@ -144,7 +144,7 @@ public function connect($connectionName = null)
             $forceMasterAsSlave = true;
         }
 
-        if (isset($this->connections[$connectionName]) && $this->connections[$connectionName]) {
+        if (isset($this->connections[$connectionName])) {
             $this->_conn = $this->connections[$connectionName];
 
             if ($forceMasterAsSlave && ! $this->keepSlave) {

lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php

@@ -146,10 +146,6 @@ private function bind($parameter, &$variable, int $parameterType, int $dataType)
      */
     public function closeCursor()
     {
-        if (! $this->stmt) {
-            return false;
-        }
-
         $this->bindParam = [];
 
         if (! db2_free_result($this->stmt)) {
@@ -166,11 +162,7 @@ public function closeCursor()
      */
     public function columnCount()
     {
-        if (! $this->stmt) {
-            return 0;
-        }
-
-        return db2_num_fields($this->stmt);
+        return db2_num_fields($this->stmt) ?: 0;
     }
 
     /**
@@ -197,10 +189,6 @@ public function errorInfo()
      */
     public function execute($params = null)
     {
-        if (! $this->stmt) {
-            return false;
-        }
-
         if ($params === null) {
             ksort($this->bindParam);
 

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

@@ -97,16 +97,12 @@ public function __construct(mysqli $conn, $prepareString)
      */
     public function bindParam($column, &$variable, $type = ParameterType::STRING, $length = null)
     {
-        if ($type === null) {
-            $type = 's';
-        } else {
-            if (! isset(self::$_paramTypeMap[$type])) {
-                throw new MysqliException(sprintf("Unknown type: '%s'", $type));
-            }
-
-            $type = self::$_paramTypeMap[$type];
+        if (! isset(self::$_paramTypeMap[$type])) {
+            throw new MysqliException(sprintf("Unknown type: '%s'", $type));
         }
 
+        $type = self::$_paramTypeMap[$type];
+
         $this->_bindedValues[$column] =& $variable;
         $this->types[$column - 1]     = $type;
 
@@ -118,16 +114,12 @@ public function bindParam($column, &$variable, $type = ParameterType::STRING, $l
      */
     public function bindValue($param, $value, $type = ParameterType::STRING)
     {
-        if ($type === null) {
-            $type = 's';
-        } else {
-            if (! isset(self::$_paramTypeMap[$type])) {
-                throw new MysqliException(sprintf("Unknown type: '%s'", $type));
-            }
-
-            $type = self::$_paramTypeMap[$type];
+        if (! isset(self::$_paramTypeMap[$type])) {
+            throw new MysqliException(sprintf("Unknown type: '%s'", $type));
         }
 
+        $type = self::$_paramTypeMap[$type];
+
         $this->_values[$param]       = $value;
         $this->_bindedValues[$param] =& $this->_values[$param];
         $this->types[$param - 1]     = $type;
@@ -284,7 +276,7 @@ private function _bindValues($values)
     }
 
     /**
-     * @return mixed[]|false
+     * @return mixed[]|false|null
      */
     private function _fetch()
     {

lib/Doctrine/DBAL/Platforms/AbstractPlatform.php

@@ -144,7 +144,7 @@ abstract class AbstractPlatform
     /**
      * Holds the KeywordList instance for the current platform.
      *
-     * @var KeywordList
+     * @var KeywordList|null
      */
     protected $_keywords;
 
@@ -518,7 +518,7 @@ public function getDoctrineTypeComment(Type $doctrineType)
     /**
      * Gets the comment of a passed column modified by potential doctrine type comment hints.
      *
-     * @return string
+     * @return string|null
      */
     protected function getColumnComment(Column $column)
     {
@@ -1610,23 +1610,22 @@ public function getCreateTableSQL(Table $table, $createFlags = self::CREATE_INDE
     }
 
     /**
-     * @param string $tableName
-     * @param string $columnName
-     * @param string $comment
+     * @param string      $tableName
+     * @param string      $columnName
+     * @param string|null $comment
      *
      * @return string
      */
     public function getCommentOnColumnSQL($tableName, $columnName, $comment)
     {
         $tableName  = new Identifier($tableName);
         $columnName = new Identifier($columnName);
-        $comment    = $this->quoteStringLiteral($comment);
 
         return sprintf(
             'COMMENT ON COLUMN %s.%s IS %s',
             $tableName->getQuotedName($this),
             $columnName->getQuotedName($this),
-            $comment
+            $this->quoteStringLiteral((string) $comment)
         );
     }
 
@@ -2300,7 +2299,7 @@ public function getDefaultValueDeclarationSQL($field)
      * Obtains DBMS specific SQL code portion needed to set a CHECK constraint
      * declaration to be used in statements like CREATE TABLE.
      *
-     * @param mixed[][] $definition The check definition.
+     * @param string[]|mixed[][] $definition The check definition.
      *
      * @return string DBMS specific SQL code portion needed to set a CHECK constraint.
      */
@@ -3154,7 +3153,7 @@ public function supportsForeignKeyConstraints()
      */
     public function supportsForeignKeyOnUpdate()
     {
-        return $this->supportsForeignKeyConstraints() && true;
+        return $this->supportsForeignKeyConstraints();
     }
 
     /**

lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php

@@ -1215,7 +1215,8 @@ public function getDefaultValueDeclarationSQL($field)
      */
     private function isSerialField(array $field) : bool
     {
-        return $field['autoincrement'] ?? false === true && isset($field['type'])
+        return isset($field['type'], $field['autoincrement'])
+            && $field['autoincrement'] === true
             && $this->isNumericType($field['type']);
     }
 

lib/Doctrine/DBAL/Query/QueryBuilder.php

@@ -403,7 +403,7 @@ public function getMaxResults()
      * 'groupBy', 'having' and 'orderBy'.
      *
      * @param string $sqlPartName
-     * @param string $sqlPart
+     * @param mixed  $sqlPart
      * @param bool   $append
      *
      * @return $this This QueryBuilder instance.

lib/Doctrine/DBAL/Schema/AbstractSchemaManager.php

@@ -747,14 +747,9 @@ protected function _getPortableTriggerDefinition($trigger)
     protected function _getPortableSequencesList($sequences)
     {
         $list = [];
-        foreach ($sequences as $value) {
-            $value = $this->_getPortableSequenceDefinition($value);
 
-            if (! $value) {
-                continue;
-            }
-
-            $list[] = $value;
+        foreach ($sequences as $value) {
+            $list[] = $this->_getPortableSequenceDefinition($value);
         }
 
         return $list;
@@ -996,14 +991,9 @@ protected function _getPortableViewDefinition($view)
     protected function _getPortableTableForeignKeysList($tableForeignKeys)
     {
         $list = [];
-        foreach ($tableForeignKeys as $value) {
-            $value = $this->_getPortableTableForeignKeyDefinition($value);
 
-            if (! $value) {
-                continue;
-            }
-
-            $list[] = $value;
+        foreach ($tableForeignKeys as $value) {
+            $list[] = $this->_getPortableTableForeignKeyDefinition($value);
         }
 
         return $list;

lib/Doctrine/DBAL/Schema/ColumnDiff.php

@@ -18,7 +18,7 @@ class ColumnDiff
     /** @var string[] */
     public $changedProperties = [];
 
-    /** @var Column */
+    /** @var Column|null */
     public $fromColumn;
 
     /**

lib/Doctrine/DBAL/Schema/Sequence.php

@@ -4,7 +4,6 @@
 
 use Doctrine\DBAL\Schema\Visitor\Visitor;
 use function count;
-use function is_numeric;
 use function sprintf;
 
 /**
@@ -66,7 +65,7 @@ public function getCache()
      */
     public function setAllocationSize($allocationSize)
     {
-        $this->allocationSize = is_numeric($allocationSize) ? (int) $allocationSize : 1;
+        $this->allocationSize = (int) $allocationSize ?: 1;
 
         return $this;
     }
@@ -78,7 +77,7 @@ public function setAllocationSize($allocationSize)
      */
     public function setInitialValue($initialValue)
     {
-        $this->initialValue = is_numeric($initialValue) ? (int) $initialValue : 1;
+        $this->initialValue = (int) $initialValue ?: 1;
 
         return $this;
     }

lib/Doctrine/DBAL/Schema/SqliteSchemaManager.php

@@ -77,7 +77,7 @@ public function renameTable($name, $newName)
      */
     public function createForeignKey(ForeignKeyConstraint $foreignKey, $table)
     {
-        $tableDiff                     = $this->getTableDiffForAlterForeignKey($foreignKey, $table);
+        $tableDiff                     = $this->getTableDiffForAlterForeignKey($table);
         $tableDiff->addedForeignKeys[] = $foreignKey;
 
         $this->alterTable($tableDiff);
@@ -88,7 +88,7 @@ public function createForeignKey(ForeignKeyConstraint $foreignKey, $table)
      */
     public function dropAndCreateForeignKey(ForeignKeyConstraint $foreignKey, $table)
     {
-        $tableDiff                       = $this->getTableDiffForAlterForeignKey($foreignKey, $table);
+        $tableDiff                       = $this->getTableDiffForAlterForeignKey($table);
         $tableDiff->changedForeignKeys[] = $foreignKey;
 
         $this->alterTable($tableDiff);
@@ -99,7 +99,7 @@ public function dropAndCreateForeignKey(ForeignKeyConstraint $foreignKey, $table
      */
     public function dropForeignKey($foreignKey, $table)
     {
-        $tableDiff                       = $this->getTableDiffForAlterForeignKey($foreignKey, $table);
+        $tableDiff                       = $this->getTableDiffForAlterForeignKey($table);
         $tableDiff->removedForeignKeys[] = $foreignKey;
 
         $this->alterTable($tableDiff);
@@ -436,11 +436,12 @@ protected function _getPortableTableForeignKeysList($tableForeignKeys)
      *
      * @throws DBALException
      */
-    private function getTableDiffForAlterForeignKey(ForeignKeyConstraint $foreignKey, $table)
+    private function getTableDiffForAlterForeignKey($table)
     {
         if (! $table instanceof Table) {
             $tableDetails = $this->tryMethod('listTableDetails', $table);
-            if ($table === false) {
+
+            if ($tableDetails === false) {
                 throw new DBALException(sprintf('Sqlite schema manager requires to modify foreign keys table definition "%s".', $table));
             }
 

lib/Doctrine/DBAL/Schema/TableDiff.php

@@ -12,7 +12,7 @@ class TableDiff
     /** @var string */
     public $name = null;
 
-    /** @var string|bool */
+    /** @var string|false */
     public $newName = false;
 
     /**
@@ -92,7 +92,7 @@ class TableDiff
      */
     public $removedForeignKeys = [];
 
-    /** @var Table */
+    /** @var Table|null */
     public $fromTable;
 
     /**
@@ -139,10 +139,14 @@ public function getName(AbstractPlatform $platform)
     }
 
     /**
-     * @return Identifier|string|bool
+     * @return Identifier|false
      */
     public function getNewName()
     {
-        return $this->newName ? new Identifier($this->newName) : $this->newName;
+        if ($this->newName === false) {
+            return false;
+        }
+
+        return new Identifier($this->newName);
     }
 }

lib/Doctrine/DBAL/Sharding/SQLAzure/SQLAzureShardManager.php

@@ -7,8 +7,6 @@
 use Doctrine\DBAL\Sharding\ShardManager;
 use Doctrine\DBAL\Types\Type;
 use RuntimeException;
-use function is_bool;
-use function is_scalar;
 use function sprintf;
 
 /**
@@ -125,10 +123,6 @@ public function selectShard($distributionValue)
             throw ShardingException::activeTransaction();
         }
 
-        if ($distributionValue === null || is_bool($distributionValue) || ! is_scalar($distributionValue)) {
-            throw ShardingException::noShardDistributionValue();
-        }
-
         $platform = $this->conn->getDatabasePlatform();
         $sql      = sprintf(
             'USE FEDERATION %s (%s = %s) WITH RESET, FILTERING = %s;',

phpstan.neon.dist

@@ -1,5 +1,5 @@
 parameters:
-    level: 3
+    level: 4
     paths:
         - %currentWorkingDirectory%/lib
     autoload_files:

tests/Doctrine/Tests/DBAL/Sharding/SQLAzure/SQLAzureShardManagerTest.php

@@ -79,18 +79,6 @@ public function testSelectShard()
         self::assertEquals(1234, $sm->getCurrentDistributionValue());
     }
 
-    public function testSelectShardNoDistributionValue()
-    {
-        $conn = $this->createConnection(['sharding' => ['federationName' => 'abc', 'distributionKey' => 'foo', 'distributionType' => 'integer']]);
-        $conn->expects($this->at(1))->method('isTransactionActive')->will($this->returnValue(false));
-
-        $this->expectException(ShardingException::class);
-        $this->expectExceptionMessage('You have to specify a string or integer as shard distribution value.');
-
-        $sm = new SQLAzureShardManager($conn);
-        $sm->selectShard(null);
-    }
-
     /**
      * @param mixed[] $params
      */