PHP

We encountered some problems when using split today. I still do not have a deep understanding of the function. I will make a mark in the close-up. First, let's look at the definitions of the two methods: Function prototype: array split (string $

The implementation of des encryption and decryption in PHP and. net. For more information, see php5.x and add php extension php_mcrypt. PHP version: The code is as follows:Class STD3Des{Private $ key = "";Private $ iv = "";/*** Construct and pass

The first word that appears in the delete string is the flexible use of explode. For more information, see The code is as follows: $ A = "string "; $ C = explode ("text to be deleted", $ a, 2 ); $ B = $ c [0]. $ c [1]; Explode (PHP 3, PHP 4, PHP 5

When the gd library of php is enabled on windows Server, gd is not found in ConfigureCommand in the result obtained by phpinfo () after cgi is used. it is very confusing, so I collected some information, hope to help you. if you are interested, you

This article describes how to install and configure nginx + php + mysql in ubuntu. For more information, see tung.pdf 1. Update 1 Sudo apt-get update 2. install nginx 1 Sudo apt-get intsall nginx After Ubuntu is

This article introduces the differences between magic_quotes_gpc and magic_quotes_runtime. If you need a friend, refer to \ "'in your data \"' This type of character is useful when it is written to the database and is not filtered out. it will

Use regular expressions to obtain the real address of Baidu online storage files to achieve straight-chain effect Baidu's online storage is fast and stable, and you deserve it. if you support direct connection in the future, you can directly use

This article provides a detailed analysis of the application of the single-sample php design mode. For more information, see Singleton mode: simply put, an object is only responsible for a specific task. Singleton class:1. the constructor must be

Rule 1: never trust external data or enter information about Web application security. The first thing that must be realized is that you should not trust external data. External data includes any data that is not directly input by programmers in PHP

This article mainly involves thinkphp getting php page execution time, database read/write count, function call count, etc. if you need ThinkPHP, refer to thinkphp THINKphp has the following effects: Process: 0.2463 s (Load: 0.0003 s Init: 0.0010 s

This article provides a detailed analysis of some usage of the crontab command in Ubuntu. For more information, see Ubuntu. Cron is a background process in Linux and is used to regularly execute some tasks. Because I use Ubuntu, all the commands in

This article provides a detailed analysis of the new features of PHP5.5. For more information about the new features, see what are the new features of PHP5.5 recently released? The official documentation is

This article provides a detailed analysis of the php plug-in HTMLPurifierHTML parser. For more information, see the use of HTMLPurifier plug-in. Download the HTMLPurifier plug-in The useful part of the HTMLPurifier plug-in is library. Use

This article provides a detailed analysis of how to import csv data into mysql. For more information, see mysql's own csv engine, you can use this engine to import csv data to a mysql database, which is much faster than a batch processing program

This article provides a detailed analysis of how to push ios Messages to the php push server. For more information, see Preparations1. get the deviceToken of the mobile phone registration application (the unique value of deviceToken is returned when

This article provides a detailed analysis of the procedure for starting Apache Rewrite in Ubuntu. For more information, see UbuntuApacheRewrite. Run Sudo a2enmod rewrite The Mod_rewrite module is enabled. In addition, you can

First, mysqli connections are permanent connections, while mysql does not. What does it mean? Mysql will re-open a new process whenever it is used for the second time, while mysql uses only the same process, in this way, the pressure on the server

The following is the HTML parsing class and usage. the following function is to collect Baidu data from www.opendir.cn. you can test the function if you need it. The code is as follows: $ OldSetting = libxml_use_internal_errors (true

This article describes how to use php to open remote files, as well as the usage risks and solutions. PHP has a configuration option named allow_url_fopen, which is valid by default. It allows you to point to many types of resources and process them

This article provides six methods for renaming uploaded images in php and compares the six methods. there must be one suitable method for you to use. I. applicable scenarios:You cannot use the auto-increment number returned from the database to