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Cookies are good, but some client browsers will disable cookies, which will result in the failure or error of the program you rely on, so how can PHP use the session again if the user closes the cookie? There is still some way.1, set php.ini Session.

Details of the CI framework configuration considerationsIn config, the database.php is related to the database configuration.1 $db[' Default '] =Array(2' DSN ' = ',3' Hostname ' = ' 127.0.0.1,//IP4' Username ' = ' root ',//user name5' Password ' = '

1, using a user name as a parameter, if the user specified parameter exists, it is displayed, otherwise added; Displays the ID number of the added user, etc.#!/bin/bash#read-p "Please input one UserName:" Usernameid $USERNAME &>/dev/nullif [$?  -eq 0

Singleton mode: More for database connections, to ensure that the database is only connected once, to avoid duplication of connections. Because opening the server multiple times can cause the server to load and run slower.The following is a

Of course, PHP has a function Number_format, function prototype: String Number_format ( Float number, int decimals, String Dec_point, String Thousands_sep ) As an example: $num = 12345678.9; echo Number_format ($num). ' '; will be 4 5 in Echo

This article to give you a brief introduction of the PHP floating point precision value of the instance program, I hope there is a need to understand the accuracy of floating point number of friends can enter the reference. The precision value of

PHP session_start () conflicts with require_once. what should I do? I debugged it on Baidu's BAE platform .. You want to use a BCMS-SDK to get a mail effect .. At present, there is a problem: session_start (); and require_once & nbsp; (& nbsp; "Bcms.

PHP decompression still does not .. Solve the problem of uploading a compressed package in PHP. I can unzip it. How can I rename the file while extracting the file and put it in another directory? Please kindly advise. Decompress the program $ zip &

Sometimes, to avoid security issues, we need to compare the source of the submitted Form. Below is an example I wrote that only the submitted form can be passed in! & Amp; lt ;? Php // echo $ _ SERVER ['php _ SELF ']. & quot; & amp; lt; br/

I first use SQL to query the data in the database for json data input in PHP, then traverse the data, and finally use json_encode to output the data. The result output is not of the json type. could you please kindly advise, I am very grateful for

Online A Web server does not have normal access, check, the Tomcat process is still in, the web is not normal access, restart the Tomcat back to normal, query the log, found prompt memory overflow, such as:Java.lang.OutOfMemoryError:PermGen

CentOS minimum post-installation optimizationAfter adding a new server, the next step is to install the system. The CentOS series is recommended here, and everyone is holding a principle when using the server: the fewer application packages the

For string truncation questions, please refer to $ str sales; $ str sales in large quantities; $ str sales basic principles; $ str left dry in; echo & nbsp; substr ($ str, 1 ); why is it garbled? I searched for a few resolutions on the Internet, and

2 PHP Test filesserver.php Copy CodeThe code is as follows: Phpinfo (); Ensure that the client is not timed out when connecting Set_time_limit (0); $ip = ' 127.0.0.1 '; $port = 1935; /* +------------------------------- * @socket the entire process

PHP code optimization. 1. do not just copy Variables. sometimes, to make PHP code more clean, some new PHP users (including me) will copy the predefined variables to a variable with a shorter name. In fact, 1. do not copy variables at will

(Transfer) accelerate PHP's ECHOhttp: // redirect (transfer) accelerate PHP's ECHO Http://www.laruence.com/2011/02/13/1870.html You may have noticed that when using ECHO in PHP to output a large string, the execution time is obviously long, and

Class a{ Public $name; function Test1 ($a) { echo "test1111"; } function Test2 ($a) { echo "test2222"; } When an object calls a method and the method does not exist, the system automatically calls

Although PHP is powerful, it does not have any disadvantages. Like other languages, it also needs to be updated and modified continuously in actual application compiling.Code, Until satisfied. Next we will share with you some tips on optimizing PHP

MySQL supports regular backup using MySQL administrator in windows, which is troublesome in Linux, if there is no ready-made product, you can only write it by yourself. 1. Create a MySQL. Sh file and enter ! /Bin/sh # backup MySQL database #

1. Installation1.1 Installing MMSEG./Bootstrap # must be executed or the installation will fail. /configure--prefix=/usr/local/mmseg-3.2. - #指定安装目录 Make Make Install1.2 Installing Coreseek# in csft-4.1/Configure.ac # Find Am_init_automake ([-wall-