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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

How does PHP determine the user's access method, whether it is accessed by the src of the image?

How does the PHP language determine the user's access method? The scenario is as follows: I want to display different content by determining how the user accesses this address. If accessed through image src, the image will be displayed. If accessed directly through the browser, web page information ...

巴扎黑 2017-06-05 11:08:06 0  3  773

PHP image processing uses image processing functions to draw a picture

$red = imagecolorallocate($img, 255, 0, 0);$green = imagecolorallocate($img, 0, 255, 0);$blue = imagecolorallocate($img, 0, 0, 255);Why are there only three assigned colors? coordinate values

王功文 2019-02-27 16:11:10 0  0  1148

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

PHP processing method for filtering special symbols of WeChat nicknames

preg_replace("/[\x{1F600}-\x{1F64F}\x{1F300}-\x{1F5FF}\x{1F680}-\x{1F6FF}\x{2600}-\x{26FF}\ x{2700}-\x{27BF}]/u","","This is the nickname")https://xmy.xingzs.top/

納尼 2023-06-14 22:12:28 0  1  792

How to read word files and convert them into html code with PHP?

Just like the title! It is best to support image processing in word. Is there any related class library? Supplementary content: Does phpword have any use cases like the title? Thank you!

漂亮男人 2017-06-29 10:08:17 0  3  1843

How to get data type from input php file

This is my frontend code: <formaction=""method="post"><inputtype="file"name="image" class="input"></form> and controller: $upload_image=$_FILES[' image']['name'];i

P粉670107661 2024-03-22 10:41:04 0  2  386

There is a problem with the final call of php to implement image verification code?

According to php how to implement image verification code content guide encapsulation verification code class

羅梅光 2022-05-05 01:22:00 0  8  1257

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  1219

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  1202

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

Using JS $(this).attr('action'); in Html cannot get the value

I have just been exposed to PHP for a short time and am a novice. Now I am stuck and I can’t find a solution online. Now I want to implement a simple function: use ajax in Html to pass variables to the test2 method in PHP. ---thinkphp 3.2.3, ajax submission, php function processing problem: cannot r...

品茗坐看風吹雨 2018-03-21 14:21:21 0  4  2463

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

PHP accesses the base64 inconsistency problem of the webservice interface developed by Java

Is the image path compiled by the php base64 method different from the base64 compilation method that comes with java? The code of the web service interface developed by Java has been written and cannot be changed. How should it be handled in PHP and how to compile it into the encoding format of Jav...

為情所困 2017-05-16 13:03:23 0  2  678

javascript - A question about client and front-end communication?

The client uses the shouldOverrideUrlLoading method of the WebViewClient class to handle communication between the front end and the client. In this case, how does the front end know the client's processing callback? The situation is as follows: The front end sends an address of a given protocol, su...

大家講道理 2017-05-16 13:27:34 0  1  752

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