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Fix PHP image upload issue: replace previous image to upload new image in multiple posts

I'm running into an issue with the image upload functionality of my PHP application. Here's the situation: I have a form where the user can create a post and upload an image related to the post. When I upload my first post with an image attached, everything works fine and the image is saved correctl...

P粉788765679 2023-09-14 11:27:48

PHP file upload code deficiencies and improvements

<?php /** * Single file upload */ // Single file upload class UploadFile { /** *&nb

wklc2020 2020-03-01 14:25:21

javascript - JS image compression and upload as file

JS image compression is used to upload images in WEBKIT. When selecting an image, compress the image and obtain the BASE64 data of the image, and then upload the image in the form of File when submitting the form. The BASE data has been obtained, but the uploaded file is also BASE64 data and cannot ...

淡淡煙草味 2017-05-18 10:58:12

Image upload problem

It is necessary to upload and modify personal information. After the user fills in the data, the data will be displayed the second time. Now there is a problem with the pictures. In addition to displaying multiple pictures, the user can also upload pictures again and modify the data after submission...

懶貨 2020-03-24 12:17:37

Resize image before upload in Laravel 5.8

I have this function to upload images via api in Laravel: privatefunctionhandleImage($image){$exploded=explode(',',$image);$decoded=base64_decode($exploded[1]);if(Str::contains ($exploded[0],'jpeg')){$extension='jpg';}else{$extensio

P粉608647033 2023-09-04 12:56:10

Image to text OCR web image URL upload

Referring to the working codepen demo here, the application works fine if I click the select file button to upload an image from my local machine and extract the text in the image. But how do I upload a web image URL like this instead of a local computer file and output the OCR text result with the ...

P粉316890884 2024-03-29 21:37:25

angular.js - ng-file-upload How to implement multiple image uploads

ng-file-upload How to upload multiple images? My code: html: {code...} javascript: {code...} If written like this, it is still a single image, and multiple images cannot be uploaded. Clicking upload will remove the previously uploaded image. {Code...} Supplement the code I wrote, the html part is a ...

phpcn_u1582 2017-05-15 17:04:39

iOS upload image as stream

When the company uploads pictures, the server-side staff said that the pictures are uploaded through image streaming. I tried the following methods but none of them worked: {Code...} and the following methods: {Code...} The upload still failed. , please help me solve the problem when uploading on th...

怪我咯 2017-06-06 09:52:38

There is a problem when adding a new upload box after jq uploads the image successfully

There was no problem when the first comment uploaded the image. When the second comment was made, the newly added upload box was affected by the previous one. One should have appeared, but two appeared. Please help, what is the reason why the html part <div class="evaluation-upload-block...

扔個三星炸死你 2017-07-05 10:40:43

php - How does onethink integrate Qiniu's sdk to achieve upload transcoding

Onethink's own Qiniu upload class cannot meet the upload transcoding requirements. How to integrate the new Qiniu SDK to achieve this function?

漂亮男人 2017-05-24 11:33:44

laravel-pdf upload-pdf to image - php Can laravel upload pdf files and convert them into images?

The server framework uses PHP laravel5.1. The front-end needs to support uploading pdf or image files. If it is a pdf file, it will be converted into an image file. Can this be achieved?

為情所困 2017-05-16 16:54:50

javascript - js image upload plug-in with preview function, which ones are easier to use?

js image upload plug-in with preview function, which ones are better to use? There are more information and many people use them. Please recommend.

高洛峰 2017-06-12 09:30:40

PHP implements file upload function

I want to upload a file to a given folder. <?php$folder="upload/";if(is_uploaded_file($HTTP_POST_FILES['filename']['tmp_name'])){if(move_uploaded_file($HTTP_POST_FILES['filename']['tmp_name'],$folder. $HTTP_POST_FILES

P粉868586032 2024-03-25 18:04:14

PHP class attribute declaration?

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

A _ Ｑ _ｉ_ 2021-10-17 22:05:54

php - weui upload multiple images uploaded at the same time

The problem currently encountered is the application's weui image upload framework, but the preview part li in the code obtains images of type blob. But there is only one input, submitted to php through ajax, and only the last picture can be obtained.

巴扎黑 2017-06-05 11:09:24

How to upload php images and forms together with ajax?

Should the image be uploaded together with the form through ajax? I don’t know how to upload it together? I uploaded the image separately using formdata, but I don’t know how to associate it with the form submission?

PHP中文網(wǎng) 2017-06-23 09:11:57

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

php - Questions about multi-file upload on Android?

Recently, I am doing multi-file upload on Android. The background php is processed by move_upload_files(). How to handle multi-file upload on Android? Someone please guide me.

迷茫 2017-07-05 09:55:54

javascript - Why can't I upload images without refreshing in php + ajax?

Write a relatively low-level file upload function. You need to click Upload to upload it to the server. But after testing, it still fails to upload. I don’t know what’s going on? The following is my code: html {code...} php: {code...} js: {code...} After debugging, in js, it does not enter...

大家講道理 2017-05-24 11:30:56

I have stored the path of the image in the database, but how should I write the background code to display the image in the foreground? It is not an upload function, but a function of getting the image from the database and displaying it in the foreground.

I have stored the path of the image in the database, but how should I write the background code to display the image in the foreground? It is not an upload function, but a function of getting the image from the database and displaying it in the foreground.

. 2018-05-01 12:32:43