removed support for PHP 7

Author: dg

src/Database/ResultSet.php

@@ -63,7 +63,7 @@ public function __construct(Connection $connection, string $queryString, array $
 			if (substr($queryString, 0, 2) === '::') {
 				$connection->getPdo()->{substr($queryString, 2)}();
 			} elseif ($queryString !== null) {
-				static $types = ['boolean' => PHP_VERSION < 70307 ? PDO::PARAM_INT : PDO::PARAM_BOOL, 'integer' => PDO::PARAM_INT,
+				static $types = ['boolean' => PDO::PARAM_BOOL, 'integer' => PDO::PARAM_INT,
 					'resource' => PDO::PARAM_LOB, 'NULL' => PDO::PARAM_NULL, ];
 				$this->pdoStatement = $connection->getPdo()->prepare($queryString);
 				foreach ($params as $key => $value) {

src/Database/Table/ActiveRow.php

@@ -55,15 +55,7 @@ public function getTable(): Selection
 
 	public function __toString()
 	{
-		try {
-			return (string) $this->getPrimary();
-		} catch (\Throwable $e) {
-			if (func_num_args() || PHP_VERSION_ID >= 70400) {
-				throw $e;
-			}
-			trigger_error('Exception in ' . __METHOD__ . "(): {$e->getMessage()} in {$e->getFile()}:{$e->getLine()}", E_USER_ERROR);
-			return '';
-		}
+		return (string) $this->getPrimary();
 	}