Ordering of multidimensional arrays in PHP

$aProduct = Array ( 0=> array (' goods_id ' = 1, ' name ' = ' iPhone 4 ', ' Is_group ' =>4), 1=> Array (' goods_id ' + 2, ' name ' = ' iphone 4s ', ' is_group ' =>6, 2=> Array (' goods_id ' = + 3, ' name ' = ' + ' iphone 5 ') , ' Is_group '

Yii CreateCommand Curd operation

This article is used as a work record, perhaps some people will ask why not use YII model to operate DB, the reason is very simple, yii model is a lot of convenience, but will execute redundant SQL, open Yii execution log will be found. So for

Install APC (alternative PHP Cache) to improve PHP parsing speed

This article refers to "high-performance PHP development" to make the next record PHP must perform the 5 steps required, whether from the command line or from a WEB server. The Zend engine must read the file from the file system, scan its

Nginx Installation Nginx_http_push_module

One-click Installation Nginx_http_push_module cd/opt/&& wget https://github.com/slact/nginx_http_push_module/archive/master.zip && Unzip Master.zip && CD (/opt/nginx-master | Replace with your NGNIX source directory) &&./configure--add-module=/opt/

MySQL Database Optimization series (v)------The test of index optimization strategy

Experiment: Type:range The scope index is used here key_len:12/3=4 Column The index C1,C2,C3,C4 is used. Parsing: Because order by C3 is ordered, C3,C4 also uses the index Using the C1,c2,c3,order by order, you can use the index. Index C1

PHP::,->, self, $this operator differences

When accessing a member variable or method in a PHP class, if the referenced variable or method is declared as const (defining a constant) or static (declaring static), then the operator must be used::, conversely, if the referenced variable or

Installation of Linux under Nginx

Because Nginx installation relies on other libraries, it is necessary to install the dependent libraries first. Here are the concrete steps Http://nginx.org/download/nginx-1.2.8.tar.gz1. Installing the Pcre Library cd/usr/local/ wget

Get template functions

Public Function Actionchangetemplate () {$status =true; $interactive _id= (int) filter_input (input_post, ' id '),//post[id] $template _id= (int) filter_input (input_post , ' MB '); Find page $interactives = Interactives::model

HTTP Protocol Analysis Series (ix)------HTTP protocol and content compression

Watch US Open 163 a piece of news, see the following corresponding header information, see the following response header information, note that Content-length At the same time, we right-click to save the source code, save the file size Thinking:

Nginx for long-connected applications

Whether you do the Web backend or app backend, or SOA service, long connection is a good choice, on the one hand to save the resource consumption of establishing a connection each time, on the other hand, can make the message timely response,

PHP Json_decode parsing Chinese

$arr = Array (' a ' = ' = ' Beijing '); Echo Json_encode ($arr); The above code executes after output: {"A": "\u5317\u4eac"} PHP Bottom has done Unicode processing, if it is not intuitive enough, you can use the UrlEncode and UrlDecode method to

2 php apache MySQL integration

In This case, the software is php-5.4.28-win32-vc9-x86.zip,httpd-2.2.21-win32-x86-no_ Ssl.msi,mysql-5.5.20-win32.msi. 1, to the PHP installation directory found php.ini, if not, find php.ini-development copy paste re-save as php.ini. Locate the

Nginx Learning Note (ii) the rewrite in--nginx

The order format is as follows: Rewrite rge replement flagRewrite regular expression replaces the target flag flagThe flag tag can be in several formats:Last-basically use this flag to indicate the completion of the match.Break-Abort Rewirte, do

Curl Expect:100-continue

Curl Expect:100-continue When using the Curl post data, if the post data is greater than 1024 bytes , curl does not directly initiate the POST request. But it will be in two steps. 1. Send a request with a expect:100-continuein the header that

How to reduce PHP code low-level errors and modify the process

Attention: 1.mysql statement capitalization of uppercase, remember that each node to wrap, so that it will be clearer to display the SQL statement, in case the error occurs $sql = "Select M.id, m.nav_name,

php-weak types of small traps

A question to be discussed in the group today, record it. The origin of the problem isVar_dump (MD5 (' 240610708 ') = = MD5 (' Qnkcdzo ')); TrueA string of two md5, compared with the comparison operator (= =), is actually equal.Output a value of

PHP pre-defined constants __file__

Directory structure: --f:\website\webgis\index.php Test code: index.php echo "Test output __file__ "; echo"". __file__;echo"". DirName (__file__); Output Result: Test output __file__F:\website\webgis\index.phpF:\website\webgis Summary:

LNMP Environment Construction (a) Build PHP environment

First download the PHP installation files, we use the source code compiled installation PHP5.4.36, to the PHP official website to download PHP installation files. Next, the PHP source code is compiled and installed, after entering the source

PHP implements a common sorting algorithm

Insert sort (Insertion sort): Inserts a record to be sorted each time, pressing its keyword size into the appropriate location in the previously sorted sub-file until all records are inserted. Insert sort (one-dimensional array) function

thinkphp Form Auto-verification function

Last night, our boss asked me to get the form of automatic verification function, sorrow for a long day borrowed a lot of knowledge of the official website, just out, eh, to share my own results! Thinkphp in the model base class for us to define

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