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PHP file upload code deficiencies and improvements

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

wklc2020 2020-03-01 14:25:21 0  1  1162

What is the difference between using a file in a class and using a file outside a class in Laravel?

What is the difference between using a file in a class and using a file outside a class in Laravel? For example, we often see a bunch of uses after the namespace. These uses are outside the class, and some uses are inside the class. What is the difference between the two? Example: HttpControllersAut...

ringa_lee 2017-05-16 16:47:46 0  1  623

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  1141

io - java file operation, how to insert content (not replace content) to a specified location?

Java file operation, how to insert content into a specified location (not replace content)?

大家講道理 2017-06-12 09:24:18 0  2  978

php file caching problem

A file cache conflict occurs when the file is created, which then causes the operation to fail and causes the code to be lost.

心悅君兮 2020-03-19 16:11:06 0  0  984

PHP operation method

<?php$x = 5;$y = 6$water = $y-- + $x--;echo $water;The result is 13. Don’t understand? Find the algorithm for operation = 13 $paper = ++$x + $x++;$water = $y-- + $x--;echo $water + $paper;?>

愛心傳遞 2019-07-22 15:08:13 0  1  1432

The test database operation class db statically calls the getInstance method.

In the entry file idnex.php, new base.php calls the run method. How to complete the connection to the database in base.php. I don't see an instance of the db class in the code. Can any kind person explain this to me? Thanks!

航航 2022-08-18 17:23:59 0  1  959

How is this voting option adding operation named .php?

How is this voting option adding operation named .php?

盛情不舊゛ 2019-05-02 18:32:09 0  1  1516

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  1013

php 5.6 include php file directly outputs the file content without execution, and php5.2 will be normal.

As shown in the figure, the code for executing the file is as shown below. . . . As a result, the code in dbConfig.php is output directly to the browser. No analysis at all. Copy the code in dbConfig.php to the running php file. It is estimated that version 5.6 has upgraded the initialization and ex...

yoyo 2019-06-07 00:44:09 0  1  1264

Should the name of the Model's PHP file be the same as the database name?

Should the name of the Model's PHP file be the same as the database name? Or do the class names need to be consistent?

劉磊 2018-11-01 13:56:50 0  1  1734

An error occurred in the file upload operation in laravel5.1

The following is the code (I would like to ask how to modify it. I am a novice, thank you all in advance!): &lt;?php namespace App\Http\Controllers; use Illuminate\Http\Request; use App\Http\Requests; class RequestController extends Control...

為情所困 2017-05-16 16:53:51 0  2  768

Why can't PHP see the uploaded file?

I have an index.php and upload.php. In index. is a formaction="upload.php", which contains inputtype="file"id="file"name="file" tag. The PHP code is: <?php$file=$_FILES['file'];print_r($file);echo&

P粉356361722 2024-01-16 17:07:02 0  2  530

Extract variables from php file from function in another file

I have a php file in the root directory and I want to retrieve a variable from a function in another php file. I need it for SQL queries. My php file is in the root directory <?phprequiredirname(__FILE__).'/config/config.inc.php';require'modules/pricefrom/pricefrom.php';$lowestPrice=Db::getInstan...

P粉198670603 2023-09-07 13:33:37 0  1  701

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  1578

Open cad file in php?

Open cad file in php?

yangyang 2017-11-09 11:02:11 0  0  1582

About php dbf operation

Since I need to export it to a dbf file recently, I checked the information and learned that php needs to use the php_dbase.dll extension library. But the current 7.0-7.4 does not have this extension library, please give me some advice.

白云蒼狗 2020-06-07 19:43:32 0  0  989

javascript - How to provide a configuration file that can be modified by operation and maintenance for a front-end project compiled by webpack?

The project needs to use a url constant, which may change according to actual operation and maintenance conditions. Now when the URL changes, I need to change the source code and recompile. If you don't use webpack, this problem will not occur. Just tell the operation and maintenance the path to the...

巴扎黑 2017-05-19 10:15:02 0  2  588

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  1222

PHP file running problem

Follow the above example and download the php file when submitting. What's going on?

girl 2017-08-15 09:22:05 0  2  1461