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class - How does PHP implement that all subclass attributes have toArray() method?

How to implement in PHP that all properties of subclasses have toArray() method? After the call, it becomes an array. How to design the parent class? ?

阿神 2017-05-16 12:59:22 0  3  662

Preview of the teaching course on September 10, 2018: How to implement paging query data table and classification query for class encapsulation in PHP

Preview of the teaching content of the third online class of PHP Chinese website on September 10, 2018: 1. Teaching topic: How to use PHP to implement paging query data tables? Encapsulate classification queries into classes to achieve code reuse. For more detailed knowledge points, please pay atten...

藏色散人 2018-09-10 10:02:37 0  0  1376

javascript - How to write this css

How to write css for this graphic in this classification category? My method is to add a relatively positioned pseudo-class to the border-bottom. Is there any good idea?

給我你的懷抱 2017-05-19 10:40:27 0  4  798

php - Custom class method returns error

{Code...} {Code...} Error Warning: Missing argument 1 for Input::post(), Notice: Undefined variable: key

迷茫 2017-05-24 11:33:57 0  3  511

The oci_parse() method returns null parsing method

I want to create a class that connects to an ORACLE database using some OCI methods. But when I call the Parse() method it is null and my FetchArray() method returns nothing Database PHP class: classDatabase{/***@varstring*/privatestring$login;/***@varstring*/ privatestring$password;/***@varstring*/...

P粉043432210 2024-01-29 13:46:11 0  1  695

Does $this in PHP represent the current class or method?

class DBmodel{     private $name;     publice function delete($name){         $this->name =&

A _ Ｑ _ｉ_ 2021-10-10 19:51:03 0  5  1061

How does a PHP static method call a non-static method of the parent class?

1. this calls the parent class method: 2. self calls the parent class method: 3. parent calls the parent class method: Is there no way for a subclass static method to call a parent class non-static method?

淡淡煙草味 2017-06-08 11:01:40 0  5  1217

After cross-class call, method cannot be found

Do static method overloading to achieve chained access to the database exercise demo5.php references the Query.php class and then accesses the method in Query. The page prompts me that the method 'table' is not found in the Database. The following is the source code. I hope it can help. The first er...

方人胥 2021-06-12 17:16:18 1  2  1199

Fatal error: Class 'app\facade\Test' not found

[0] ThrowableError in Demo2.php line 28 Fatal error: Class 'app\facade\Test' not found * __call When the method to be called does not exist or has insufficient permissions, the __call method will be automatically called. *

Blue 2019-10-17 21:33:48 0  3  1915

Will calling a static method directly using the class name in PHP trigger the constructor of the class or parent class?

As the title says, PHP calls static methods directly using the class name. Two questions: 1. Will the constructor of the current class be called? 2 Will the constructor of the parent class of the current class be called?

淡淡煙草味 2017-07-07 10:34:10 0  3  1554

About PHP and JAVA 3DES encryption issues

I want to write an encryption class in Java using PHP, but I saw this writing method in Java and it gave me a headache. Totally illogical. I found a complete class and wanted to refer to it. After many experiments, I could not translate the encryption class I uploaded into PHP. Please help me. Thank...

給我你的懷抱 2017-06-15 09:21:44 0  1  1001

How to make methods under classes automatically complete in sublime?

I now use the sublime editor as a PHP learning and development tool. When I followed the study, I found that when Teacher Zhu entered the getLastInsID method under the Db class, he only needed to enter get and 3 Db class containing get would be brought out. method, and then quickly select one of the...

Binbin(斌斌老師) 2019-03-28 13:08:49 0  2  1073

suble.class.php uses the constructor syntax of PHP4, that is, the method name is the same as the class name. This syntax will be used in the future.

The function has been implemented, but it has not been tested in other PHP versions. Dz Application Center customer service said: suble.class.php uses the constructor syntax of PHP4, that is, the method name is the same as the class name. This syntax will not be supported in future PHP versions; ple...

°執(zhí)著. 2018-11-25 19:19:16 0  0  1000

php - How to add methods to an instance?

{Code...} If there is already an instance of class A, how can this instance also use the test method? What should I do if class A cannot be modified in php and python? If possible, use other packages when writing php before. , you will encounter that the call result returned is already an instance o...

某草草 2017-06-29 10:07:59 0  2  935

Class library, how to use it, is there any detailed method?

My MySQL class library in PHP, after loading it with include, can only define variables. How to use the functions in it? It is useless to write the function name directly. Please give me a detailed method. Thank you.

哈哈哈哈。 2018-07-12 11:54:40 0  6  1387

Convert file to data stream

Hello heroes, I want to convert the excel file into a data stream and then send it to the interface. .NET uses this class to implement FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read); What method does PHP use to implement it? grateful.

聶順順 2022-10-25 09:17:59 0  5  1078

php - laravel5.4 prints Auth::check(); in the constructor of the class and returns false, and prints it in the method of the class and returns true

Please help! laravel5.4 prints Auth::check(); in the constructor of the class; it returns false, and prints it in the method of the class and returns true. Make sure you are logged in. As shown in the figure: it returns false.

怪我咯 2017-05-16 12:58:35 0  2  1206

How to import the contents of RTF format files into the editor in PHP?

The new function needs to extract the content from the RTF format file and put it into the input box of the unavailable input tag, as shown in the following figure. How to implement this function? Is there a method class in PHP to obtain it? .

北城浮生ぅ 2017-12-09 10:49:49 0  0  1185

Create REST API GET method with multiple filters in PHP

I created a RESTAPIGET method in php using parameter id. http://localhost:8012/REST-API/items/expenses?id=2. This works fine, but I want to use http://localhost:8012/REST-API/items/expenses?id=2&year=2022 to get the data. I am new to php and tried all possibilities but not getting the correct re...

P粉937769356 2024-01-29 13:03:56 0  1  514

Adding cookie header causes request to hang

I'm working on a class project where we need to write a website using php. We were told that we should write separate pages to query information and the php session for saving variables. I have successfully started a session, but when I try to make a request and add headers for the session, the requ...

P粉897881626 2023-09-15 21:20:14 0  1  753