search
HomeBackend DevelopmentPHP Tutorial php+mysql移到linux下出有关问题了

php+mysql移到linux下出问题了。
Warning: mysqli_fetch_assoc() expects parameter 1 to be mysqli_result;
Warning: mysqli_fetch_array() expects parameter 1 to be mysqli_result;
这些在windows下都没有问题的,我在centos下就全都出问题了?

------解决方案--------------------
可能是文件名大小写的问题

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
PHP Warning: Invalid argument supplied for foreach() - 解决方案PHP Warning: Invalid argument supplied for foreach() - 解决方案Aug 26, 2023 pm 09:42 PM

PHPWarning:Invalidargumentsuppliedforforeach()-解决方案在使用PHP开发网页或应用程序时,经常会遇到各种错误和警告。其中一个常见的警告是“Invalidargumentsuppliedforforeach()”,它通常在使用foreach循环遍历数组时产生。这个问题看起来很简单,但是如果不

如何解决PHP Warning: file_get_contents(): failed to open stream: HTTP request failed如何解决PHP Warning: file_get_contents(): failed to open stream: HTTP request failedAug 18, 2023 pm 11:34 PM

如何解决PHPWarning:file_get_contents():failedtoopenstream:HTTPrequestfailed在进行PHP开发过程中,经常会遇到通过file_get_contents函数向远程服务器发起HTTP请求的情况。然而,有时候我们会遇到一个常见的错误提示:PHPWarning:file_get_c

如何解决PHP Warning: fopen(): SSL operation failed in file.php on line X如何解决PHP Warning: fopen(): SSL operation failed in file.php on line XAug 25, 2023 am 09:22 AM

如何解决PHPWarning:fopen():SSLoperationfailedinfile.phponlineX在PHP编程中,我们经常使用fopen函数来打开文件或者URL,并进行相关操作。然而,在使用fopen函数时,有时候会遇到类似于Warning:fopen():SSLoperationfailedinfile.p

PHP Fatal error: Call to undefined function mysqli_connect()的解决方法PHP Fatal error: Call to undefined function mysqli_connect()的解决方法Jun 23, 2023 am 09:40 AM

在使用PHP编写Web应用程序时,经常会使用MySQL数据库来存储数据。PHP提供了一种与MySQL数据库进行交互的方法,称为MySQLi。然而,有时在使用MySQLi时,会遇到一个错误信息,如以下所示:PHPFatalerror:Calltoundefinedfunctionmysqli_connect()这个错误信息意味着PHP无法找到my

php无法连接mysqli怎么办php无法连接mysqli怎么办Nov 09, 2022 am 10:07 AM

php无法连接mysqli的解决办法:1、打开“php.ini”文件;2、找到“mysqli.reconnect”;3、将“mysqli.reconnect = OFF”改成“mysqli.reconnect = on”即可。

PHP PDO 与 mysqli:比较和对比PHP PDO 与 mysqli:比较和对比Feb 19, 2024 pm 12:24 PM

PDOPDO是一个面向对象的数据库访问抽象层,它为PHP提供了一个统一的接口,允许您使用相同的代码与不同的数据库(如Mysql、postgresql、oracle)进行交互。PDO隐藏了底层数据库连接的复杂性,简化了数据库操作。优缺点优点:统一接口,支持多种数据库简化数据库操作,降低开发难度提供预处理语句,提高安全性支持事务处理缺点:性能可能比原生扩展稍低依赖外部库,可能会增加开销演示代码使用PDO连接mysql数据库:$db=newPDO("mysql:host=localhost;dbnam

mysql的运行文件是什么mysql的运行文件是什么Apr 11, 2023 am 10:38 AM

mysql的运行文件是mysqld;mysqld是一个可执行文件,代表着Mysql服务器程序,执行这个文件可以直接启动一个服务器进程;而mysqld_safe是一个启动脚本,它会间接调用mysqld,并且还会顺带启动一个监控进程。

PHP Warning: Invalid argument supplied for foreach()的解决方法 inPHP Warning: Invalid argument supplied for foreach()的解决方法 inJun 22, 2023 pm 01:07 PM

近年来,PHP已成为网页开发的重要工具之一。然而,PHP也会出现一些错误信息,其中一个常见的错误是“Invalidargumentsuppliedforforeach()“错误。下面将介绍如何解决这个错误。首先,让我们了解一下什么是该错误。这个错误通常出现在使用foreach循环代码时,却给循环代码提供了无效的参数。在大多数情况下,这种错误会使程序崩

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

Repo: How To Revive Teammates
1 months agoBy尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
1 months agoBy尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Safe Exam Browser

Safe Exam Browser

Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.

PhpStorm Mac version

PhpStorm Mac version

The latest (2018.2.1) professional PHP integrated development tool

MinGW - Minimalist GNU for Windows

MinGW - Minimalist GNU for Windows

This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

WebStorm Mac version

WebStorm Mac version

Useful JavaScript development tools

mPDF

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),