Summary of various methods for PHP scheduled execution of scheduled tasks. PHP scheduled execution in three ways: 1. windows scheduled task 2. linux script program 3. enabling web browsers to regularly refresh specific implementation windows
Implementation of php + mysql cache technology. This tutorial is suitable for PHP programmers who are interested in caching SQL queries to reduce the load on database connection and execution and improve script performance. Overview Many websites
Some PHP performance optimization + my own opinions + explanations. PHP optimization for PHP is mainly for php. the main parameters in ini are adjusted and set properly. let's take a look at php below. some parameters in ini that have a major impact
CI framework source code reading Note 4 guide file CodeIgniter. php is here, and finally enters the core of the CI framework. Since it is a "pilot" file, it is to guide user requests, parameters, and so on, so that user requests and data streams are
1. AD domain Environment2. Service version: 2008Purpose: A scheduled task is sent to the client to restart periodically on a daily basis through Group Policy.To restart the script content:C:\WINDOWS\system32\shutdown.exe-r-T 60@ @echo OffEcho *******
First, the method of embedding Javasript in HTML
Put the tag directly between in JavaScript code
The external JS file is developed by the SRC attribute of the
In the same script, the function definition can appear after the function
In php, the default time-out period for script execution is 30 seconds. If you do not set the time-out period to 30 seconds, if your script has not been executed, it will time out, next I will explain how to solve the PHP script execution
PHP File Upload process and various related considerations
HTML Basics
Submit through POST form
PHP Upload steps
The client submits the form through http post.
After the file is uploaded, it is stored in the default temporary directory. You
PHP script execution time limit, the default solution is 30 m: set_time_limit (); or modify PHP. ini to set max_execution_time (not recommended)
Several problems need to be solved to refresh the browser using phpIf the browser of the client is
PHP efficient writing, php High Efficiency1. Static as much as possible:
If a method can be static, it is declared as static, and the speed can be increased by 1/4, or even increased by nearly three times during my testing.Of course, this test
As we all know, the results of cache database queries can significantly shorten the script execution time and minimize the load on the database server. This technology is very effective if the data to be processed is basically static. This is
Many times we need to calculate the execution time of the PHP script to learn about the efficiency of the script, and so on. For example, there is a large section of PHP script, we need a fragment to get the script execution time method. First
This article introduces how to use php to run scheduled tasks. It also introduces how to use winodows to schedule tasks in winows, and how to use linux in linux. This article introduces how to use php to run scheduled tasks. It also introduces how
1. Static Method as much as possible: if a method can be static, it should be declared as static. The speed can be improved by 14, or even improved by nearly three times during my testing. Of course, this test method needs to be executed more than 10
The original: PHP garbage collection Mechanism detailedRecently, because a script was written using PHP, the simulation implements a daemon, and therefore requires a deep understanding of the garbage collection mechanism in PHP. This article refers
1. Static as much as possible:If a method can be static, it is declared as static, and the speed can be increased by 1/4, or even increased by nearly three times during my testing.Of course, this test method needs to be executed more than 100,000
Yesterday, a program needs to export 500 pieces of data. as a result, 150 pieces of data are found. Nginx reports a 504GatewayTimeout error, in the past, the execution time set in PHP-Fcgi is different from that in isapi. Generally, the PHP script
I have never paid attention to it before. I have heard from my colleagues today and I will check it out immediately. The configuration function of php is several ini _ * functions. it is important to control the configuration file. there are
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