PHP

code example /** @ (#) cngift.php 1.82 03/06/25** Sample documents written by Flowering Stone* will be a simple demonstration of coding specifications**/ Require ("db.php"); /*** Demonstration with Class** @version 1.82 03.06.25* @author

SomeMethod (LongExpression1, LongExpression2, LongExpression3,LongExpression4, LONGEXPRESSION5); $var = SomeMethod1 (LongExpression1,SOMEMETHOD2 (LongExpression2,LongExpression3)); Here are two examples of broken arithmetic expressions. The former

The seventh chapter (13) The Declaration and use of object-oriented detailed _ interfaceInterface interface Name {All attributes must be constants, all methods must be abstract, all members must be public}The function of an interface: is a

The time for php to operate on strings is nothing more than two problems:1. Determine whether the string encoding is gbk or unicode.2. Extract the corresponding encoding.In general, we may encounter garbled characters when using substr to intercept

301 jump The code is as follows:Copy code Header ('http/1.1 301 Moved Permanently ');Header ('Location: http://www.abc.com/aaa /');Exit (); Do not miss the header ('http/1.1 301 Moved Permanently '); otherwise, no 301 is returned.404 error page

Generally, the server can obtain the client IP address in three cases.1. If no proxy is used:# Http://www.111cn.netREMOTE_ADDR = customer IPHTTP_VIA = nullHTTP_X_FORWARDED_FOR = null2. When the proxy is used and the proxy server has the IP address

Example 1 The code is as follows:Copy code $ Data = array ("name" => "Hagrid", "age" => "36 ");$ Data_string = json_encode ($ data ); $ Ch = curl_init ('http: // api. local/rest/users ');Curl_setopt ($ ch, CURLOPT_CUSTOMREQUEST, "POST

I checked a lot of information. I also thought a lot. Let's summarize it! Does php use cookies or sessions for high-performance and high-traffic user login authentication?I. What is the difference between cookie session?Cookie client;The session has

Mt_rand functionExampleIn this example, we will return some random numbers: The code is as follows:Copy code Echo (mt_rand ());Echo (mt_rand ());Echo (mt_rand (10,100 ));?>The output is similar:315090628851328967835 Let's take a look at the

// Calculate the age The code is as follows:Copy code Function birthday ($ mydate ){$ Birth = $ mydate;List ($ by, $ bm, $ bd) = explode ('-', $ birth );$ Cm = date ('N ');$ Cd = date ('J ');$ Age = date ('Y')-$ by-1;If ($ cm> $ bm | $ cm ==$ bm

With the date and strtotime functions, you can easily obtain the first and last days of the current month, next month, and last month. The following describes their implementation. The date format of the function is yyyy-MM-dd.1. Specify a date to

Example 1. Directly configure PHP-FPMChange Lenny5 of VPS to Ubuntu10.04 and take this opportunity to try a more efficient PHP-FPM.The following is a fabric script: The code is as follows:Copy code Def init_nmp ():Install_nginx ()Install_php

I. Configuration objectives1. Install the basic environment through lnmpAfter lnmp is installed, refer to the official instructions for the software. After installation, I upgraded the nginx version through official instructions.2. Configure nginx

// The first and last days of the week The code is as follows:Copy code $ Date = new DateTime ();$ Date-> modify ('This Week ');$ First_day_of_week = $ date-> format ('Y-m-D ');$ Date-> modify ('this week + 6 days ');$ End_day_of_week = $ date->

If you use php +-*/to calculate the floating point number, you may encounter some calculation result errors, such as echo intval (0.58*100); 57 is printed instead of 58, this is actually a bug that the underlying binary of the computer cannot

Example The code is as follows:Copy code Ob_start (); // open the bufferPhpinfo (); // use the phpinfo function$ Info = ob_get_contents (); // Obtain the buffer content and assign it to $ infoUsing file1_fopen('info.txt ', 'w'); // open the info.

Method 1: Determine HTTP_USER_AGENT The code is as follows: Copy code $ Agent = strtolower ($ _ SERVER ['http _ USER_AGENT ']);If (strpos ($ agent, "netfront") | strpos ($

Php Jquery does not require any new login, so it is easy to write your ownAdded a check to determine whether the logon status is displayed after refresh if it is logged on.Logon page FileHtml page The code is as follows:Copy code Send to file

1. I used it before. When submitting form post, the url of the action passes the get parameter, which can be obtained by the server: The code is as follows:Copy code Print_r ($ _ GET );Print_r ($ _ POST );?> Name: Age: 2. If your form