PHP Learning--php Encryption, PHP learning--php encryption
There are several types of encryption in PHP:
1. MD5 Encryption
String MD5 (string $str [, bool $raw _output = false])
Parameters
STR--the original string.
Raw_output--If the optional raw_output is set to TRUE, then
PHP performance optimization Daquan (php. ini), performance optimization php. ini. PHP performance optimization (php. ini), performance optimization php. chapter 1 of ini is aimed at optimizing too many system calls. my optimizati
The pool of PHP-FPMWhen a lot of PHP sites share a pool, if one of the sites affect the pool, will cause other sites also problems, in order to avoid this problem, need to create a new pool for each site, isolation, security services1, [[email protected] ~]# vim/usr/local/php-fpm/etc/php-fpm.confNew:[Test.com]Listen =/
Php embedded function usage instance, php embedded instance. Php embedded function usage example. php embedded instance this article describes php embedded function usage. Share it with you for your reference. The specific analysis is as follows:
What is a CGI
The CGI full name is the "Public Gateway Interface" (Common Gateway Interface), a tool that HTTP servers "talk" to programs on your or other machines, and their programs must run on a network server.
CGI can be written in any language, as long as the language has standard input, output, and environment variables. such as PHP,PERL,TCL, etc.
What is fastcgi
FastCGI is like a resident (long-live) CGI, which can be executed all the time,
Php extension php-redis installation and use, php extension php-redisI. redis Installation
1. Install the redis version.
Download Page: https://redis.io/download
Install an old version 3.2.11: http://download.redis.io/releases/redis-3.2.11.tar.gz
2. After wget is downloaded, decompress the package, cd to the decompress
Save the php code to the php file. For a lot of time, we need to save the php code generated by php to the php file. for example, if some basic data is used to cache, it will be directly saved to a specified php Cache file, we nee
PHP error mechanism Knowledge Summary, php mechanism summary. PHP error mechanism Knowledge Summary, php mechanism summary PHP error mechanism is also very complex, has been done for a few years php, has not been carefully summari
With the advent of the so-called WEB2.0 era, programmers have never been the same as today's attention, many programmers on the language of the controversy has never been as fierce as today, JAVA, C + +, PHP, ASP, and so on, recently came out a ruby, plus python. Countless fans in the middle of the debate, that is, in the network, if it is in the real life, probably will be like "against the sky" in the description of the Dragon, will battle the brigh
This tutorial does not want you to fully understand the language, only to enable you to join the development of dynamic Web sites as soon as possible. I assume you have some basic knowledge of HTML (or HTML editors) and some programming ideas.
Brief introduction
PHP is one of the tools that will allow you to generate dynamic Web pages. PHP representative: Hypertext Preprocessor (Php:hypertext preprocessor).
Php: Set the scheduled task execution php file in WINDOWS. I found some methods on the Internet to execute PHP scheduled tasks in WINDOWS. one of them was completely written, but unfortunately I did not pass it. Finally, I had to combine the methods of various schools to find some methods to execute PHP scheduled tasks
PHP tips: who initiated your mail (), PHP ?. A strange problem occurs in the number of letters sent by the PHP internal component: Warning: mail (): Failedtoconnecttomailserveratlocalhostport25, when verifyyourSMTPandsmtp PHP sends a letter, a strange problem occurs:
Warning: mail (): Failed to connect to mailserver at
Php performs random replacement of elements in the logarithm group, and changes of php array elements. Php: the method for randomly changing elements in the logarithm group. The example in this article describes how to randomly change elements in the logarithm group of php. Share it with you for your reference. Specifi
What is a Hyper global variable
Many of the predefined variables in PHP are "hyper-global", which means they are available in all scopes of a script. There is no need to perform a global $variable in a function or method; You can access them.
$_SERVER//查看服务器信息$_GET//地址栏参数$_POST//表单提交的值$_REQUEST//接受$_GET或$_POST的值$_FILES//文件上传$_COOKIE//跟踪用户状态$_SESSION//跟踪用户状态$GLOBALS//获取所有全局变量的值
$_server:You can view information about the server, which holds informatio
;
Get is generally used to obtain data from the server, post is generally used to submit data to the server;
Get execution efficiency is higher than post.
3. The difference between Echo, Print_r (), Print, Var_dump ()(1) Echo and print differences
Echo, print is the structure language, echo (), print () is a function;
echo outputs more than one string (separated by commas), and print can only output a single string;
ECHO has no return value, print has a return value
12.21 PHP-FPM's Pool[[emailprotected] etc]# vim php-fpm.conf[[emailprotected] etc]# mkdir php-fpm.d[[emailprotected] etc]# CD php-fpm.d[[emailprotected] php-fpm.d]# vim www.conf[[emailprotected] php-fpm.d]# vim martin.conf[ Martin
This article is about the PHP surface question five how nginx call PHP and PHP-FPM function and work principle, have a certain reference value, now share to everyone, have the need of friends can refer to
Nginx How to invoke PHP
The use of nginx+php as an architectural mode
PHP character escape function summary (the escape string in php ). The article contains incorrect or ambiguous words. please point out ~~~ Configurations and functions related to PHP string escaping are as follows: 1. magic_quotes_runtime2.magic_quotes_gpc contains incorrect or ambiguous content ~~~
Configurations and functions related to
Php checks whether a url exists. php checks whether a url exists. Php checks whether a url exists. php checks whether a url exists. this example describes how php checks whether a url exists. Share it with you for your reference. The details are as follows: Copy the code suc
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