Differences between tp3.2 and tp5.0

1. Abandonment of single letter functions , Using helper functions

 5.0 Helper functions and 3.2 The comparison of the single letter functions in this version is as follows ：

	Get and set configuration parameters	Throw exception handling	Debugging time and memory consumption	Get the language variable value	Get input data Supports default values and filtering	Instantiation Model	Instantiate database class	Instantiate controller	Url Generate	Cache management
3.2 edition	C	E	G	L	I	D	M	A	U	S
5.0 edition	config	exception	debug	lang	input	model	db	controller	url	cache

2. Method of controller template output

3.2

$this->display()

5.0

return view('index/hello');

or

return $this->fetch('index/hello');

3. Controller naming

The namespace of application class library is unified as app( Modifiable )

The class name of the controller does not come with Controller suffix , Can be configured to turn on controller_suffix Parameter enable controller class suffix

3.2

IndexController.class.php

5.0

Index.php

4. Model

name , The suffix of the model class does not include Model

D('User')->where(['name'=>'thinkphp'])->find();
model('User')->where('name','thinkphp')->find();

 5. How to write database operation

M('User')->where(['name'=>'thinkphp'])->find();
db('User')->where('name','thinkphp')->find();

5. Discard system constants

5.0 Obsolete system constants in

REQUEST_METHOD、IS_GET、IS_POST、IS_PUT、IS_DELETE、IS_AJAX、__EXT__、COMMON_MODULE、MODULE_NAME、CONTROLLER_NAME、ACTION_NAME、APP_NAMESPACE、APP_DEBUG、MODULE_PATH etc.

6.getField Method

5.0 Use in value and column Method

value Get the value of a field in a record ;

column Get the value of a column ;

7. Request object and response object

5.0 New request object Request And the response object Response,Request Unified processing of requests and acquisition of request information ,Response Object is responsible for outputting the client or browser response .