Recommended 10 articles for data functions

First, the database connection pool development often need to do some operations on the database, such as common additions and deletions, and so on, when the amount of data is small, can be directly operated, but when the amount of data increased, every connection and release of the database will take a certain amount of time, this time, You can use database connection pool to keep the database link, reduce the cost of the connection database to the program, and can reduce the pressure of the database, then the database link pool is what kind of thing? As the name implies, it is a pool, the pool is placed on the database link, make an analogy fish pond, is to raise the pond, want to eat fish can go directly to fishing, do not have to personally buy fry fish and so on, database connection pool is put for the database link, unified all the links are set up, Use when you can directly from the inside to take, and then put back to the pool after use, since the use of this thing, then we do not have to write code to implement, some open source can be used directly, there are three kinds of open source connection pool, c3p0,dbcp,proxool these three kinds, for C3P0, Proxool these two kinds of useless, but simply used

1. Connection data function definition and usage summary

Introduction: First, database connection pool development often need to do some operations on the database, such as common additions and deletions, and so on, when the amount of data is small, can be directly operated, but when the amount of data increased, every connection and release of the database will take a certain amount of time, this time, You can use database connection pool to keep the database link, reduce the cost of the connection database to the program, and can reduce the pressure of the database, then the database link pool is what kind of thing? As the name implies, it is a pool, the pool is placed on the database links, such as fish ponds ...

2. A detailed introduction to the PHP lazy function

Summary: Copy code   code as follows:  /* *@ automatically add data functions  *@ $table   table name  *@ $arr   Word Snippets  array ("title",array ("content",int))  *@  Array (field, type)  *@  type said

3. PHP uses the Curl function to get HTTPS Web pages and post data examples

Description: Function vpost ($url, $data) {//analog commit data functions $curl = Curl_init ();//Start a Curl session

4. PHP Curl analog post can be HTTPS

Introduction: PHP analog post own commonly used to retain the vpost ($url, $data, $cookie) {//The analog commit data function $curl = Curl_init ();//Start a Curl session curl_setopt ($CU RL, Curlopt_url, $url); Address to access curl_setopt ($curl, Curlopt_ssl_verifypeer, 0); For certification

5. PHP Analog Post

Summary: Functionvpost ($url, $data, $cookie) {//The analog commit data function $curl =curl_init ();//Start a Curl session curl_setopt ($curl, curlopt_url,$ URL),//The address to be accessed curl_setopt ($curl, curlopt_ssl_verifypeer,0),//Check the source of the certificate curl_setopt ($curl, Curlopt_ssl_ve

6. PHP lazy function Automatically add data _php tutorial

Summary: The PHP lazy function automatically adds data. Copy the code as follows:/* *@ automatically add data function *@ $table table name *@ $arr Word Snippets Array ("title", Array ("content", int)) *@ Array (field, type) *@ type description html--allow HT

7. PHP Common data Function _php Tutorial

Introduction: PHP Common data functions. PHP function Description ABS device () returns the absolute value of number 3rd ACOs () returns arccosine of number 3rd Acosh () returns the inverse hyperbolic cosine of number 4th Azeem () returns the sine of the 3rd number a

8. How to correctly understand PHP get display database data function _php Tutorial

Introduction: How to correctly understand PHP get display database data functions. The mysql_result () mixed mysql_result (resource result_set, int row [, mixed field]) in the use of PHP to get the data function of the display database is obtained from the specified row in Result_set A number of field

9. fgetcsv function cannot read the CSV file Chinese string Solution _php Tutorial

Summary: The FGETCSV function cannot read the resolution of the Chinese string in a CSV file. Read Data function: getData (= (= (, "R"))!== ((= ())!== = (= [] = Mb_convert_encoding (, "UTF-8", "GBK"); [] = The Chinese string found to be read is empty .... Workaround: Set FG

_php tutorials for additions and deletions in the framework of CI (CodeIgniter)

Introduction: CI (CodeIgniter) framework of additions and deletions to change the operation. The CodeIgniter data function classes in the systemdatabasedb_active_rec.php copy code code as follows: Span style= "FONT-SIZE:16PX;" Class ModelName extends Ci_model {function __construct ()

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PHP uses reflection to perform callable