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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

Configure requirements Operating System: Windows7 (x32/x64), windows2008 IIS version:7.0 PHP Version:7.0.6 and above MySQL version:5.7.12 and above First step: Install IIS Note : Starting with the IIS 7+php 5.5 version, the configuration of the PHP environment under Windows is completely different, faster and easier than the previous versi

This example describes the invocation method for PHP references. Share to everyone for your reference, as follows: Example 1: Example 2: Examples 1 and 2 are the same effect. Example 3: Summary: The reference is returned only when the method is defined with the and the method in front of the method name plus when it is called. Example 4: When $ A and $b are not re-assigned, that is, when a write operation occurs, the

The example of this article for everyone to share the code of PHP generated verification codes, for your reference, the specific content as follows The above is the whole content of this article, I hope that you learn PHP programming help. The above describes the PHP generated cool four character verification code, including the verification Code,

[' tmp_name '), $this->d estination)) {return false;} return $this->destination;} /*** get error message */public function GetError () {return $this->error;} /*** detect error Uploading file * @return boolean*/private function checkerror () {if (Empty ($this->fileinfo)) {$this->error = ' Error on file '; $this->code = 1001;return false;} if ($this->fileinfo[' error '] = = 0) {return true;} Switch ($this->fileinfo[' ERROR ']) {Case 1: $this->error = ' exceeds the value of the upload_max_filesize

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:

Tags: php mysql database lampIssue background:Under normal conditions Lamp installation order is:linux-> apache-> mysql-> PHPPHP If you want to connect to MySQL at compile time need to use the MySQL header files and library files.PHP to connect Mysql need to use mysql.so extension in PHP engine, at this time, the first installation of PHP, when compiling

11.28 limit a directory to prevent PHP parsingThis section should be used to optimize settings for static file directories or writable directories, and to prevent malicious attacks by restricting resolution/access to improve security.To edit a virtual host configuration file:[Email protected] 111.com]# vim/usr/local/apache2.4/conf/extra/httpd-vhosts.confPhp_admin_flag engine offCreate the appropriate directory:[Email protected] 111.com]# mkdir upload.

Phpcli mode learning (PHP command line mode ). Php_cli mode description php-cli is short for phpCommandLineInterface, as it means, it is the interface for php to run on the command line, different from the php environment running on the Web server ( Introduction to php_cli mode Php