Fix count php 7.2 jpfuentes2#602

Author: willy68

lib/Model.php

@@ -1673,8 +1673,8 @@ public static function find_by_pk($values, $options)
 		if ($results != ($expected = count($values)))
 		{
 			$class = get_called_class();
-			if (is_array($values))
-				$values = join(',',$values);
+
+			$values = join(',',$values);
 
 			if ($expected == 1)
 			{

lib/SQLBuilder.php

@@ -217,7 +217,7 @@ public static function create_conditions_from_underscored_string(Connection $con
 			return null;
 
 		$parts = preg_split('/(_and_|_or_)/i',$name,-1,PREG_SPLIT_DELIM_CAPTURE);
-		$num_values = count($values);
+		$num_values = is_null($values) ? 0 : count($values);
 		$conditions = array('');
 
 		for ($i=0,$j=0,$n=count($parts); $i<$n; $i+=2,++$j)

test/ModelCallbackTest.php

@@ -26,6 +26,8 @@ public function register_and_invoke_callbacks($callbacks, $return, $closure)
 
 	public function assert_fires($callbacks, $closure)
 	{
+		if (!is_array($callbacks))
+			$callbacks = array($callbacks);
 		$executed = $this->register_and_invoke_callbacks($callbacks,true,$closure);
 		$this->assert_equals(count($callbacks),count($executed));
 	}

test/helpers/AdapterTest.php

@@ -339,12 +339,12 @@ public function test_tables()
 
 	public function test_query_column_info()
 	{
-		$this->assert_greater_than(0,count($this->conn->query_column_info("authors")));
+		$this->assert_greater_than(0,count((array) $this->conn->query_column_info("authors")));
 	}
 
 	public function test_query_table_info()
 	{
-		$this->assert_greater_than(0,count($this->conn->query_for_tables()));
+		$$this->assert_greater_than(0,count((array) $this->conn->query_for_tables()));
 	}
 
 	public function test_query_table_info_must_return_one_field()