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I know how to cut pictures on the front end and want to learn PHP website development. I would like to ask for a complete class video of the physical class of a first-line PHP institution in Beijing.

I know how to cut pictures on the front end and want to learn PHP website development. I would like to ask for a complete class video of the physical class of a first-line PHP institution in Beijing. I learned front-end cutting at an institution before, and then became a cutter, but I didn’t have mu...

. 2017-08-28 14:28:41 0  1  1507

class shared variable problem

For example, I have a class that has a static global variable a; it can also be non-static and then there is 1.php to assign the value of a to the class variable a to 88888; there is also 2.php how to get the variable of class a; Three different files, class, 1.php, 2.php

脾氣超好 2019-09-03 23:33:27 0  1  1323

Need help centering content and making image links clickable

Essentially, I need the image and title to be centered on the screen, but I also need the image to be clickable and open the link. I believe I have the correct code to do this, but I'm still having these two issues. The images also come in two different sizes, so that makes it difficult as well. I j...

P粉794851975 2023-09-13 12:12:49 0  1  786

How to embed php in HTML attribute?

For example, I have a page that mixes php and html. The php part stores a variable: {code...} In HTML, I want to use this variable in the attribute of an element: {code...} For example, here I I want to make the value of the class of this div active, which is just stored in the $class variable in ph...

曾經(jīng)蠟筆沒有小新 2017-05-24 11:34:16 0  1  761

PHP remove orientation exif from image only (without using imagick)

I wrote a script that batch resizes uploaded images locally and creates thumbnails. The problem is if some images are oriented vertically but after resizing they rotate horizontally. This is due to the exif orientation of the image. Is there an easy way to remove orientation exif from an image via P...

P粉141925181 2024-03-27 09:27:01 0  1  613

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  3128

php advanced path

I have been working in PHP for more than two years and have been responsible for the company's backend maintenance. I have developed two projects based on tp5.1. I still use one-click to generate the backend framework FastAdmin. I feel that there is no progress. Now I want to learn PHP in depth, so ...

Mind 2019-11-28 11:38:41 0  2  1341

How to give a random value to a class tag?

The PHP language program gives random values ??(unique and non-repeating) to the "*" in all <span class="*">test text</span> tags in web articles, no matter how many letters and numbers there are. For example: <span class="Hug5iR2NvjO9">Test text</s...

趙澤鑫 2022-01-13 11:12:29 0  9  1379

Why do PDO and PDOStatement exist at the same time? What are the considerations for this design?

Problem description: We all know that since PHP 5.1.0, PDO has been a standard part of PHP. PDO provides three classes: PDO, PDOStatement and PDOException. Needless to say, the PDOException class depends on its name for function and positioning. It's all clear. So the question comes: why at the same...

我想大聲告訴你 2017-05-16 13:11:25 0  3  867

Grammatical errors

Hello, teachers from PHP Chinese website. In the process of learning, I encountered a "class Base extends controller" DW prompt with a syntax error and I cannot continue learning. Please ask the teachers for guidance.

** 2018-08-11 12:01:16 0  1  1287

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  755

How to select multiple classes with the same name in JS

I use PHP to dynamically render these lists I get from the database, each list has the same class and since I can't change it, it renders dynamically. I select these classes via JavaScript and create an event on click to open and close them using the hidden class. Now I have a problem, this event wo...

P粉005134685 2024-03-26 17:46:43 0  2  578

PHP: How to copy all images in a subfolder into a single folder (no need to create subfolders!)

For my wife's birthday party, I set up a website where I collected images of party guests and then created a nice book as a keepsake. Guests have an account and upload images to "their" folder. I now have a tool that dynamically creates slideshows from pictures - but unfortunately it canno...

P粉877114798 2024-01-29 09:16:15 0  1  525

javascript - Regarding the issue of ajax uploading multiple images.

I don’t know how ajax uploads multiple images and sends them to the background. For a single image, you can use base64 to send it to the backend, but if there are multiple images, this method is not suitable because the base64 will be very large. In what way is it sent to the backend? If the backgro...

我想大聲告訴你 2017-06-26 10:55:20 0  5  784

Beautifying URLs in PHP frameworks

I know you can add rules in htaccess, but I found that PHP frameworks don't do that and somehow you still have beautiful URLs. How can servers do this if they don't know the URL rules? I've been looking for Yii's url manager class but I don't understand how it's done.

P粉176980522 2023-10-30 09:40:09 0  1  891

I always wanted to learn and was always busy. Take a look when it's empty

Thanks to PHP, you need to study every day for three months if you sign up, and you need at least two hours a day. I've never been able to spare so much time. It would be great if I could study online, have teachers available for guidance at any time, and arrange my own time instead of regular class...

唯藍(lán) 2020-06-04 15:58:55 0  0  1039

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

How to write in PHP to log in to different pages with different usernames and passwords

As a novice, I originally imagined that when adding a user, I would select the value of value, enter the username and password when logging in, and at the same time determine whether the value of the selected value is 0 or 1. When entering different pages, the name of value saved in the database is ...

TimeLimit 2018-06-17 13:51:17 0  1  1434

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

How to prevent the converted elements from overflowing and automatically cutting them off?

I'm using Bootstrap4 to make a modal gallery for a friend's personal website. I set it up so that the images expand on hover - but when I set overflow to auto, they get cut off at the edge of the modal (or div). The Gallery is also the third in a set of tabs, but all of them work great. I've tried c...

P粉242535777 2023-09-07 20:04:02 0  1  706