Use Null Coalesce Operator

lib/Doctrine/DBAL/Connection.php

@@ -264,7 +264,7 @@ class Connection implements DriverConnection
      */
     public function getHost()
     {
-        return isset($this->_params['host']) ? $this->_params['host'] : null;
+        return $this->_params['host'] ?? null;
     }
 
     /**
@@ -274,7 +274,7 @@ class Connection implements DriverConnection
      */
     public function getPort()
     {
-        return isset($this->_params['port']) ? $this->_params['port'] : null;
+        return $this->_params['port'] ?? null;
     }
 
     /**
@@ -284,7 +284,7 @@ class Connection implements DriverConnection
      */
     public function getUsername()
     {
-        return isset($this->_params['user']) ? $this->_params['user'] : null;
+        return $this->_params['user'] ?? null;
     }
 
     /**
@@ -294,7 +294,7 @@ class Connection implements DriverConnection
      */
     public function getPassword()
     {
-        return isset($this->_params['password']) ? $this->_params['password'] : null;
+        return $this->_params['password'] ?? null;
     }
 
     /**
@@ -365,11 +365,9 @@ class Connection implements DriverConnection
             return false;
         }
 
-        $driverOptions = isset($this->_params['driverOptions']) ?
-            $this->_params['driverOptions'] : [];
-        $user = isset($this->_params['user']) ? $this->_params['user'] : null;
-        $password = isset($this->_params['password']) ?
-            $this->_params['password'] : null;
+        $driverOptions = $this->_params['driverOptions'] ?? [];
+        $user = $this->_params['user'] ?? null;
+        $password = $this->_params['password'] ?? null;
 
         $this->_conn = $this->_driver->connect($this->_params, $user, $password, $driverOptions);
         $this->_isConnected = true;

lib/Doctrine/DBAL/Connections/MasterSlaveConnection.php

@@ -121,7 +121,7 @@ class MasterSlaveConnection extends Connection
             $params['slaves'][$slaveKey]['driver'] = $params['driver'];
         }
 
-        $this->keepSlave = isset($params['keepSlave']) ? (bool) $params['keepSlave'] : false;
+        $this->keepSlave = (bool) ($params['keepSlave'] ?? false);
 
         parent::__construct($params, $driver, $config, $eventManager);
     }
@@ -202,12 +202,12 @@ class MasterSlaveConnection extends Connection
     {
         $params = $this->getParams();
 
-        $driverOptions = isset($params['driverOptions']) ? $params['driverOptions'] : [];
+        $driverOptions = $params['driverOptions'] ?? [];
 
         $connectionParams = $this->chooseConnectionConfiguration($connectionName, $params);
 
-        $user = isset($connectionParams['user']) ? $connectionParams['user'] : null;
-        $password = isset($connectionParams['password']) ? $connectionParams['password'] : null;
+        $user = $connectionParams['user'] ?? null;
+        $password = $connectionParams['password'] ?? null;
 
         return $this->_driver->connect($connectionParams, $user, $password, $driverOptions);
     }

lib/Doctrine/DBAL/Driver/AbstractOracleDriver.php

@@ -150,6 +150,6 @@ abstract class AbstractOracleDriver implements Driver, ExceptionConverterDriver
 
         }
 
-        return isset($params['dbname']) ? $params['dbname'] : '';
+        return $params['dbname'] ?? '';
     }
 }

lib/Doctrine/DBAL/Driver/AbstractSQLAnywhereDriver.php

@@ -100,9 +100,9 @@ abstract class AbstractSQLAnywhereDriver implements Driver, ExceptionConverterDr
         }
 
         $majorVersion = $versionParts['major'];
-        $minorVersion = isset($versionParts['minor']) ? $versionParts['minor'] : 0;
-        $patchVersion = isset($versionParts['patch']) ? $versionParts['patch'] : 0;
-        $buildVersion = isset($versionParts['build']) ? $versionParts['build'] : 0;
+        $minorVersion = $versionParts['minor'] ?? 0;
+        $patchVersion = $versionParts['patch'] ?? 0;
+        $buildVersion = $versionParts['build'] ?? 0;
         $version      = $majorVersion . '.' . $minorVersion . '.' . $patchVersion . '.' . $buildVersion;
 
         switch(true) {

lib/Doctrine/DBAL/Driver/AbstractSQLServerDriver.php

@@ -54,9 +54,9 @@ abstract class AbstractSQLServerDriver implements Driver, VersionAwarePlatformDr
         }
 
         $majorVersion = $versionParts['major'];
-        $minorVersion = isset($versionParts['minor']) ? $versionParts['minor'] : 0;
-        $patchVersion = isset($versionParts['patch']) ? $versionParts['patch'] : 0;
-        $buildVersion = isset($versionParts['build']) ? $versionParts['build'] : 0;
+        $minorVersion = $versionParts['minor'] ?? 0;
+        $patchVersion = $versionParts['patch'] ?? 0;
+        $buildVersion = $versionParts['build'] ?? 0;
         $version      = $majorVersion . '.' . $minorVersion . '.' . $patchVersion . '.' . $buildVersion;
 
         switch(true) {

lib/Doctrine/DBAL/Driver/AbstractSQLiteDriver.php

@@ -96,7 +96,7 @@ abstract class AbstractSQLiteDriver implements Driver, ExceptionConverterDriver
     {
         $params = $conn->getParams();
 
-        return isset($params['path']) ? $params['path'] : null;
+        return $params['path'] ?? null;
     }
 
     /**

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

@@ -227,7 +227,7 @@ class DB2Statement implements \IteratorAggregate, Statement
                 if (func_num_args() >= 2) {
                     $args      = func_get_args();
                     $className = $args[1];
-                    $ctorArgs  = isset($args[2]) ? $args[2] : [];
+                    $ctorArgs  = $args[2] ?? [];
                 }
 
                 $result = db2_fetch_object($this->_stmt);

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

@@ -49,17 +49,17 @@ class MysqliConnection implements Connection, PingableConnection, ServerInfoAwar
      */
     public function __construct(array $params, $username, $password, array $driverOptions = [])
     {
-        $port = isset($params['port']) ? $params['port'] : ini_get('mysqli.default_port');
+        $port = $params['port'] ?? ini_get('mysqli.default_port');
 
         // Fallback to default MySQL port if not given.
         if ( ! $port) {
             $port = 3306;
         }
 
-        $socket = isset($params['unix_socket']) ? $params['unix_socket'] : ini_get('mysqli.default_socket');
-        $dbname = isset($params['dbname']) ? $params['dbname'] : null;
+        $socket = $params['unix_socket'] ?? ini_get('mysqli.default_socket');
+        $dbname = $params['dbname'] ?? null;
 
-        $flags = isset($driverOptions[static::OPTION_FLAGS]) ? $driverOptions[static::OPTION_FLAGS] : null;
+        $flags = $driverOptions[static::OPTION_FLAGS] ?? null;
 
         $this->_conn = mysqli_init();
 

lib/Doctrine/DBAL/Driver/OCI8/Driver.php

@@ -40,9 +40,9 @@ class Driver extends AbstractOracleDriver
                 $username,
                 $password,
                 $this->_constructDsn($params),
-                isset($params['charset']) ? $params['charset'] : null,
-                isset($params['sessionMode']) ? $params['sessionMode'] : OCI_DEFAULT,
-                isset($params['persistent']) ? $params['persistent'] : false
+                $params['charset'] ?? null,
+                $params['sessionMode'] ?? OCI_DEFAULT,
+                $params['persistent'] ?? false
             );
         } catch (OCI8Exception $e) {
             throw DBALException::driverException($this, $e);

lib/Doctrine/DBAL/Driver/OCI8/OCI8Statement.php

@@ -264,7 +264,7 @@ class OCI8Statement implements IteratorAggregate, Statement
      */
     public function bindParam($column, &$variable, $type = null, $length = null)
     {
-        $column = isset($this->_paramMap[$column]) ? $this->_paramMap[$column] : $column;
+        $column = $this->_paramMap[$column] ?? $column;
 
         if ($type == \PDO::PARAM_LOB) {
             $lob = oci_new_descriptor($this->_dbh, OCI_D_LOB);
@@ -466,7 +466,7 @@ class OCI8Statement implements IteratorAggregate, Statement
             return false;
         }
 
-        return isset($row[$columnIndex]) ? $row[$columnIndex] : null;
+        return $row[$columnIndex] ?? null;
     }
 
     /**

lib/Doctrine/DBAL/Driver/PDOException.php

@@ -53,8 +53,8 @@ class PDOException extends \PDOException implements DriverException
 
         $this->code      = $exception->getCode();
         $this->errorInfo = $exception->errorInfo;
-        $this->errorCode = isset($exception->errorInfo[1]) ? $exception->errorInfo[1] : $exception->getCode();
-        $this->sqlState  = isset($exception->errorInfo[0]) ? $exception->errorInfo[0] : $exception->getCode();
+        $this->errorCode = $exception->errorInfo[1] ?? $exception->getCode();
+        $this->sqlState  = $exception->errorInfo[0] ?? $exception->getCode();
     }
 
     /**

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

@@ -41,15 +41,15 @@ class Driver extends AbstractSQLAnywhereDriver
         try {
             return new SQLAnywhereConnection(
                 $this->buildDsn(
-                    isset($params['host']) ? $params['host'] : null,
-                    isset($params['port']) ? $params['port'] : null,
-                    isset($params['server']) ? $params['server'] : null,
-                    isset($params['dbname']) ? $params['dbname'] : null,
+                    $params['host'] ?? null,
+                    $params['port'] ?? null,
+                    $params['server'] ?? null,
+                    $params['dbname'] ?? null,
                     $username,
                     $password,
                     $driverOptions
                 ),
-                isset($params['persistent']) ? $params['persistent'] : false
+                $params['persistent'] ?? false
             );
         } catch (SQLAnywhereException $e) {
             throw DBALException::driverException($this, $e);

lib/Doctrine/DBAL/Schema/DrizzleSchemaManager.php

@@ -42,7 +42,7 @@ class DrizzleSchemaManager extends AbstractSchemaManager
         $options = [
             'notnull' => !(bool) $tableColumn['IS_NULLABLE'],
             'length' => (int) $tableColumn['CHARACTER_MAXIMUM_LENGTH'],
-            'default' => isset($tableColumn['COLUMN_DEFAULT']) ? $tableColumn['COLUMN_DEFAULT'] : null,
+            'default' => $tableColumn['COLUMN_DEFAULT'] ?? null,
             'autoincrement' => (bool) $tableColumn['IS_AUTO_INCREMENT'],
             'scale' => (int) $tableColumn['NUMERIC_SCALE'],
             'precision' => (int) $tableColumn['NUMERIC_PRECISION'],

lib/Doctrine/DBAL/Schema/SqliteSchemaManager.php

@@ -118,7 +118,7 @@ class SqliteSchemaManager extends AbstractSchemaManager
 
         if ( ! empty($tableForeignKeys)) {
             $createSql = $this->_conn->fetchAll("SELECT sql FROM (SELECT * FROM sqlite_master UNION ALL SELECT * FROM sqlite_temp_master) WHERE type = 'table' AND name = '$table'");
-            $createSql = isset($createSql[0]['sql']) ? $createSql[0]['sql'] : '';
+            $createSql = $createSql[0]['sql'] ?? '';
 
             if (preg_match_all('#
                     (?:CONSTRAINT\s+([^\s]+)\s+)?

lib/Doctrine/DBAL/Sharding/PoolingShardConnection.php

@@ -236,12 +236,12 @@ class PoolingShardConnection extends Connection
     {
         $params = $this->getParams();
 
-        $driverOptions = isset($params['driverOptions']) ? $params['driverOptions'] : [];
+        $driverOptions = $params['driverOptions'] ?? [];
 
         $connectionParams = $this->connections[$shardId];
 
-        $user = isset($connectionParams['user']) ? $connectionParams['user'] : null;
-        $password = isset($connectionParams['password']) ? $connectionParams['password'] : null;
+        $user = $connectionParams['user'] ?? null;
+        $password = $connectionParams['password'] ?? null;
 
         return $this->_driver->connect($connectionParams, $user, $password, $driverOptions);
     }

tests/Doctrine/Tests/DBAL/Functional/Driver/PDOPgSql/DriverTest.php

@@ -47,7 +47,7 @@ class DriverTest extends AbstractDriverTest
     public function getDatabaseParameter()
     {
         $params = TestUtil::getConnection()->getParams();
-        $realDatabaseName = isset($params['dbname']) ? $params['dbname'] : '';
+        $realDatabaseName = $params['dbname'] ?? '';
         $dummyDatabaseName = $realDatabaseName . 'a';
 
         return array(
@@ -67,8 +67,8 @@ class DriverTest extends AbstractDriverTest
         $parameters = $this->_conn->getParams();
         $parameters['application_name'] = 'doctrine';
 
-        $user = isset($parameters['user']) ? $parameters['user'] : null;
-        $password = isset($parameters['password']) ? $parameters['password'] : null;
+        $user = $parameters['user'] ?? null;
+        $password = $parameters['password'] ?? null;
 
         $connection = $this->driver->connect($parameters, $user, $password);