Issue with not being able to append value using Php in loop

I'm using php and phpexcel, I have the following array ($data), I want to search and append the array value in php, for example, I want to change the "link" value of the user (want to add "txt" after the previous value ), whose email id is "cde@gmail.com" but it is not ...

P粉478835592 2023-09-13 21:24:02 0 1 319

How to change the TXT value: Use the switch button

I want to know how to edit my database.txt file by switching the button on and off. I'm just starting to learn and I hope to understand how to implement it. Database.txt1|on|on|on|;setting.php&...

P粉769413355 2023-09-13 16:52:32 0 1 297

Write form input to text file using PHP

What I want to do is write the input from the form into a separate text file on submission. Please note that this form cannot be changed. The question is, how can I save the input in a separate TXT file? This is the form:

P粉541565322 2023-09-09 19:47:17 0 1 298

Is it possible to read and display the contents of a txt file every few seconds using HTML?

I have a txt file that is updated with new data every few seconds. It is stored and generated on the Raspberry Pi, which will also act as a server. I wish to add its content to the html code for display. It should update without manually reloading the page. Is there a way to do this? Maybe use AJAX,...

P粉529581199 2023-09-07 08:46:12 0 2 282

How to disable PHP reporting SQL errors?

I have my own PHP data class that logs MySQL errors to a txt file using mysqli_error($this->conn). Everything was working fine until I set PHP error handling to E_ALL. Now PHP intercepts the error and it doesn't have a chance to be handled by my MySQL error handler. This wouldn't be a problem exc...

P粉550257856 2023-09-05 17:14:24 0 1 302

Make text bold.

I don't seem to have a problem, but I need to make it bolder. txt{font-weight:bolder;justify-content:left;text-align:left;margin-top:100px;/*font-family:'RedwingerPersonalUse',system-ui,-apple-system,BlinkMacSystemFont,'SegoeUI' ,Roboto,Oxygen

P粉724737511 2023-07-18 21:47:10 0 1 318

Novice asking for help: Regarding the problem of obtaining ID through fuzzy query in PHP!

Problem: Read the local TXT text, obtain the line where the keyword is located through fuzzy query, extract the content of the third line from the line where the keyword is located, and output it to a new TXT file. Asking for advice from all the great gods! !

คPM.ChenJun 2021-12-30 17:50:59 0 0 554

Undefined array index: period, please give me some advice

There is logic that cannot be expressed in code...

//Example $a = [4,6,5,9,7,8,2,5,6,4,1,2,3,8,9]; $b = [3,7,5,9,7,8,2,5,8,4,1,2,3,8,0]; Randomly generate an array like $a and store it in the 001.txt file . Then randomly generate an array and determine whether it exists in 001.txt. If it does not exist, store the array in the 001.txt file. If it exi...

移动用户-5007381 2020-03-10 11:04:12 0 1 633

There is no txt after the new text, and there is no change after renaming.

I don't know what's wrong

2020-02-28 16:26:26 0 3 1020

How to use php to call the tesseract-ocr program in the windows environment

Making a local website can recognize text and pictures. The PHP environment has been set up using xampp and HBuilder. How can I use PHP to call the tesseract-ocr program in the Windows environment? Display the uploaded image on the same interface of the website and then the website will feedback the...

crush 2019-04-23 09:28:31 0 0 790

Why is the submitted value empty after I add spaces to the form submission?

$txt = $_POST["txt"]; if(empty($txt)){ $data="Content cannot be empty"; echo json_encode($data); &n

**推广网 2018-09-13 17:57:59 0 2 967

PHP programs written using Sublimt txt3 are displayed as garbled Chinese characters in the browser?

I am a beginner and initially used the txt that comes with the Windows system to write code. Because default_charset = "gb2312" has been configured in php.ini, Chinese can be displayed normally. I have learned to use Sublimt txt3 to write code in the past two days. It is indeed very conven...

不痛的石头 2017-11-24 23:23:03 0 6 1119

How to add text at the beginning of TXT header

As shown in the picture, the guestbook inserts text at the end of TXT every time. When browsing the web, new messages are at the bottom. I want to insert new messages at the beginning of TXT. Please tell me how to do it.

rocher 2017-11-15 18:50:00 0 1 1040

python - How to count the word frequency of an English API development document (such as javadoc document)?

For example, a simpler function is how to count the word frequency of an English API development document? (The document may be multiple html files, or it may be a chm file, not a simple txt text); The more complicated requirement is that because the development document involves many class names, f...

迷茫 2017-07-05 10:35:00 0 2 746

linux - How to obtain a certain field information in the same type of file under different paths in the shell?

Under the A path, there are folders with different file names such as 1A, 2B, 3C, 4D, 5E, etc. Under these folders, there is a Data folder. Under the Data folder, daily folder paths are generated according to time. There are files of .txt type under these lowest paths (but not only files of this typ...

巴扎黑 2017-07-04 13:45:17 0 1 701

dict - Error when writing dic to txt in Python: a bytes-like object is required, not 'str'

{Code...} PyCharm runs and reports the following error: {Code...} Traceback (most recent call last):File "/Users/Air/itchat/test.py", line 8, in <module> {Code. ..} TypeError: a bytes-like object is required, not '

PHP中文网 2017-06-30 09:55:31 0 2 1166

python matching data output data

I now have a list with the content re=['test1','test2','test3'], and a csv or xlsx or txt with two columns of data. The effect I want to achieve is if the element of re It is equal to column A in the file. This outputs the row of data in column AB of the file. How should this be done specifically...

扔个三星炸死你 2017-06-12 09:24:22 0 2 577

Java score management system?

The course assignment requires the development of a Java score management system with the functions of query, modification, sorting, maximum value, and minimum value. To display in a form, the grade data is imported using an imported txt. Looking for general directions, do I need to use a database?

ringa_lee 2017-06-12 09:22:53 0 4 817

python - scrapy cannot crawl data and cannot create txt files

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曾经蜡笔没有小新 2017-06-12 09:21:48 0 4 703