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In php, the class name::class, what does it mean?

I would like to ask: In the following PHP code, what does the class name::class mean? {code...}

曾經(jīng)蠟筆沒有小新 2017-06-30 09:54:29 0  2  1002

Running php error Parse error: syntax error, unexpected '.',

Parse error: syntax error, unexpected '.', expecting end of file in D:\phpstudy_pro\Extensions\php\php7.4.3nts\php.exe on line 375 The bold part is the folder where the running php.exe is located

唯熙 2021-01-11 17:13:26 0  2  2978

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  1556

Clear website browser cache using PHP

Tried clearing the browser site cache in php, firefox browser works fine as we would like, but when I run in chrome it doesn't work. Please see the code, header('Clear-Site-Data:"cache","cookies","storage","executionContexts"');//Firefox//Cromehe

P粉015402013 2024-03-27 22:27:50 0  1  582

Does anyone know where Jingshui Brother Shui has a PHP class?

Who knows where Brother Shui in Jingshui has a PHP class? Who knows where Brother Shui in Jingshui has a PHP class?

A0五花牛 2020-10-10 00:54:44 0  1  1214

用{?><?php}報錯Parse error: syntax error, unexpected end of file in E:\web\WWW\web23\index1.php on line 36

用{?><?php}報錯Parse error: syntax error, unexpected end of file in E:\web\WWW\web23\index1.php on line 36

No.1 2018-09-21 17:43:00 0  2  1499

comet - How to clear php cache area

The code is as follows {code...} The php cache area can output the contents of the cache area to the browser through ob_flush and flush, and the function of ob_clean is to clear the cache area, so the expected result is to output only the last piece of data each time. But in fact, the previous outpu...

phpcn_u1582 2017-05-16 13:10:26 0  1  588

PHP class attribute declaration?

<?php class Image{     private $path;     public function __construct($path = './'){      &nb

A _ Ｑ _ｉ_ 2021-10-17 22:05:54 0  7  1033

Reworded title: Why doesn't PHP handle "class not found" errors?

In the example below, I want to catch the error and create a Null class if the class does not exist. But despite my try/catch statements, PHP just tells me that the 'SmartFormasdfasdf' class is not found. How to get PHP to catch "class not found" errors? <?phpclassSmartFormLoginextendsS...

P粉475126941 2024-01-03 19:53:41 0  2  637

When inserting data encapsulated by the PHP class, the insertion is always unsuccessful and false is returned;

<?php //Database operation class class Model{ Private $host; //Database address Private $user; //Database username Private $pwd; /

A _ Ｑ _ｉ_ 2021-10-13 10:21:27 0  6  1136

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

javascript - Get the form through file_get_content("php://input") in the background, how to parse the complete value with parameters

{Code...} The backend is received through file_get_content("php://input"). How to parse the complete three values ????of goods_name, origin_url, and price? There is a solution on the Internet that uses ‘&’ as ??the node to cut through explode, but if you do this, origin_url will get...

漂亮男人 2017-05-31 10:34:53 0  2  954

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  699

What is the difference between PHP class declaration and instantiation?

I am a newbie. I found that many tool classes can be used by directly declaring them. For example, {code...} in laravel makes me confused. Does declaring a class variable instantiate the code? After searching on Baidu, no one asked about this issue in PHP language, only Java, and Java is like this.....

習(xí)慣沉默 2017-05-16 13:10:23 0  2  566

Fatal error occurs in the test database: Class 'think\Controller' not found in C:\php\WWW\t\application\admins\controller\Test.php on line 8

Fatal error: Class 'think\Controller' not found in C:\php\WWW\t\application\admins\controller\Test.php on line 8 There is no foundation at all... the PHP integrated environment used

有宏陸 2019-06-17 17:24:09 0  2  1988

Error accessing class constant

Teacher, what is the reason for the error when using the object::class constant name method? Parse error: parse error, expecting `','' or `';'' in /Library/WebServer/Documents/lp/class_const.php on line twenty four

車*不息 2017-07-11 10:02:25 0  3  1838

How to handle Uncaught Error: PHP/Composer class not found?

I'm starting a project with oop as a beginner and I'm trying to use some classes that I think will be recognized by vscode and composer because when I click on their namespace it directs me to the correct class, but when When I run the code in the browser I get a fatal error telling me that my class...

P粉304704653 2023-09-04 13:46:14 0  1  635

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  1377

PHP Chinese website public welfare live class: "Revealing the whole process of Web projects from analysis to online", starting tonight!

A new large-scale free public welfare live class on the PHP Chinese website has started! For three consecutive nights, all P friends, please move your benches and get ready! Training objectives: reveal the complete process of a Web project from analysis and planning, environment construction, use of...

PHPz 2018-08-07 10:59:05 0  1  3132

Java's [EncryptUtill.java encryption class, what does it correspond to PHP? I found a few on the Internet, but after encryption, they can't match those of Java.

Java's [EncryptUtill.java encryption class, what does it correspond to PHP? I found a few on the Internet, but after encryption, they can’t match those of Java.

巴扎黑 2017-06-20 10:07:34 0  2  925