The reason why header function returns 404 failure

When using the header function to send a request, if a 404 failure is returned, it may be caused by the resource not existing, URL address case error, server configuration error, redirection problem, or network connection problem. By checking the correctness of the URL address, server configuration, redirection settings, network connection, etc., you can solve the problem of header function returning 404 failure.

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header function url address php smtp php optimization Website access speed Reduced page redirects Tutorial Redirect java Internet connection Exception handling

The reason why header function returns 404 failure

The failure of the header function to return 404 is caused by the resource not existing, URL address case error, server configuration error, redirection problem or network connection problem, etc. The solution is as follows: 1. The resource does not exist, check whether the requested URL address is correct, and ensure that the resource exists on the server; 2. The URL address is case-incorrect, convert all URL addresses to lowercase or uppercase, and resend the request; 3. Server configuration error, try to restart the server to apply the new configuration; 4. Redirection problems, etc.

Oct 13, 2023 pm 01:10 PM

header function

How to fill in the url address

How to fill in the URL address: 1. Use the correct protocol; 2. Enter the correct domain name; 3. Specify the appropriate port; 4. Determine the correct path; 5. Add the query string.

Jul 19, 2023 am 09:41 AM

url address

What is the url address?

URL is the abbreviation of Uniform Resource Locator, which is a character sequence used to identify and locate resources (such as web pages, files, images, etc.) on the Internet. A URL is a standard Internet address through which various resources on the Internet can be accessed.

Jul 19, 2023 am 09:34 AM

url address

php SMTP server configuration method

PHP SMTP setting method: first register a QQ mailbox for sending emails from the website; then log in to the backend administrator interface; then find "SMTP service settings in system global settings"; finally fill in the SMTP login username and SMTP login password.

Jul 25, 2020 am 09:41 AM

php smtp

PHP website access speed optimization: How to reduce page redirections?

PHP website access speed optimization: How to reduce page redirections? Overview: When developing and optimizing a PHP website, improving website access speed is a key consideration. Page redirects are a common performance issue that cause additional HTTP requests and delays, impacting the user experience. This article will explain how to optimize the access speed of your PHP website by reducing page redirects and provide some code examples. Check and fix invalid URL jumps: Page redirects are usually caused by invalid URL jumps. this

Aug 08, 2023 pm 02:34 PM

php optimization Website access speed Reduced page redirects

Redirect tutorial in PHP

Redirects allow you to redirect client browsers to different URLs. You can use it when switching domains, changing website structure, or switching to HTTPS. In this article, I will show you how to redirect to another page using PHP. I'll explain exactly how PHP redirects work and show you what's happening behind the scenes. Learn PHP with Free Online Courses If you want to learn PHP, check out our PHP Basics free online course! PHP Basics Jeremy McPeak October 29, 2021 How do basic redirects work? Before we get into the details of PHP redirection, let’s take a quick look at how HTTP redirection actually works. Take a look at the image below. Let us understand the above screen

Sep 01, 2023 pm 05:53 PM

php Tutorial Redirect

Methods to solve Java network connection interruption timeout exception (ConnectionInterruptedTimeoutExceotion)

Methods to solve Java network connection interruption timeout exception (ConnectionInterruptedTimeoutExceotion) In Java network programming, timeout exceptions caused by network connection interruption are often encountered. This anomaly may occur in various network environments, such as connection interruptions caused by network delays, network instability, etc. This article explains how to resolve connection interruption timeout exceptions and provides some code examples. 1. Set the connection timeout. Java provides a way to set the connection timeout.

Aug 26, 2023 pm 05:48 PM

java Internet connection Exception handling