For millions of data volumes of CSV file, the file size may reach hundreds of m, if simply read, it is likely to have a time-out or a card-dead phenomenon.
Batch processing is necessary in order to successfully import data from a CSV file into a
Zend_cache the basic operation of the file cache, the code has written comments, let's study together
Copy CodeThe code is as follows:
Require_once ("zend/loader.php");
Load Zend Cache Class (Zend_cache)
Zend_loader::loadclass
The factory class is a class that is designed to create other objects, and factory classes are very important in the practice of polymorphism programming. It allows you to dynamically replace classes, modify configurations, and make your application
If the load of the file is particularly large, such as hundreds of M, on the G, then the performance down, then there is no big file in PHP processing functions or classes it? The answer is: yes.
PHP is really more "object-oriented", some of the
Database Cache
The database Cache class allows you to save database query results in a text file to reduce database access.
Activating the cache requires three steps:
Create a writable directory on the server to save the cache file.
Set
First, the source of the collection class
Copy CodeThe code is as follows:
/**
* Universal List Acquisition Class
* Version V1.3
* Author: JAE
*/
Require_once '. /phpquery/phpquery/phpquery.php ';
Class querylist{
Private $pageURL;
Private $REGARR
1. Create/Update cookies
Copy CodeThe code is as follows:
Setcookie ($cookieName, $value, time () + number of seconds);
Example: Create a cookie with a name of username and a value of ZS with an expiration time of 2 weeksCopy the Code code as
kanji to Pinyin (all spelling and initials)
=' A ' =>-20319, ' ai ' =>-20317, ' an ' =>-20304, ' ang ' =>-20295, ' ao ' =>-20292, ' ba ' =>-20283, ' Bai ' =>- 20265, ' ban ' =>-20257, ' bang ' =>-20242, ' bao ' =>-20230, ' bei ' =>-20051, ' Ben '
Every programmer and developer likes to discuss their favorite snippets of code, especially when PHP developers spend hours coding or creating apps for a Web page, and they know the importance of the code. In order to save the coding time, the
memcacheQueue.class.php
Copy CodeThe code is as follows:
/**
* PHP Memcache Queue class
* @author lkk/lianq.net
* @version 0.3
* @ Modify Description:
* 1. Discard the previous AB rotation thinking, using an array-like construct, overriding this
For example, the following code:
Copy CodeThe code is as follows:
Echo ' hello\n ';
echo ' World ';
?>
The line break in the program \ n is output directly, and the workaround is to change the single quotation mark to double quotation marks:
Copy
What is a reverse proxy?
First talk about the concept of a forward proxy:
The forward proxy, the legendary agent, works like a springboard. Simply put, I'm a user, I can't access a website, but I can access a proxy server. This proxy server, he
1. If you want to develop quickly, consider using the MVC framework
Using an MVC framework like CodeIgniter is very effective in rapid development, and the MVC framework does not force you to write object-oriented code that separates PHP code from
The YII framework must follow its form creation method
The error of the login model is consistent with the database operation model, and the difference is not interacting with the database
, use the widget to complete the following code in the user
= " why" = "What" ChangeName (); . ""?>The result of executing the code is: My name was why, not the ChangeName () after performing the What. Analyze the reason, because the function body changename within the $name variable is set to local
You write a PHP script, generally do not consider memory leaks and garbage collection problems, because in general, your script will be executed soon after the exit.
But in some long run time, the data volume is large, the program runs for a period
MVC structure, in fact, is the abbreviation of three model,contraller,view words, Model, the main task is to database or other file system data according to the way we need to read out. View, mainly responsible for the page, the data in the form of
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