PHP

How to determine the dimension of the php array. The copy code is as follows :? Php *** returns the array dimension * @ param [type] $ arr [description] * @ return [type] [description] * functionarrayLevel ($ arr) {$ alarr: The code is as follows:

PHP uses the smarty template based on the Yii Framework. The first method is to generate a view based on the YII system. it is a little troublesome and it is easier to use smarty. Try to add the smarty template. Copy the code as follows:

Discuss the use and analysis of Hessian in PHP. What is HessianHessian is an open-source remote communication protocol provided by caucho. The binary RPC protocol is used for HTTP transmission. the server does not need to open any firewall port.

The test method for the inexplicable problem of php in javaswiis. Suppose php is installed in c: php. In cmd, test whether php has configuration problems. copy the code as follows: c: phpphp.exe-I to check whether there are some errors and then

Use of PHP string-based comparison functions strcmp () and strcasecmp. The difference between "" and "" is simply that the former emphasizes that the "identical (same, identical)" type also requires the same; the latter requires "equal (equal to" = "

Go deep into phpMyAdmin installation and configuration steps. Phpmyadmin is a mysql management tool. after installing this tool, you can directly manage mysql data in the form of web, instead of executing system commands, phpmyadmin is a mysql

Common methods for obtaining user IP addresses and common security risks (HTTP_X_FORWARDED_FOR ). The analysis process is common and frequently used in some projects to obtain user Ip addresses and record user operation behaviors. Generally, you

Describes how to use mysql Performance query. Everything comes from an experiment. See the following example: Table: Copy the code: CREATETABLEIFNOTEXISTS 'foo' ('A' int (10) unsignedNOTNULLAUTO_INCREMENT, 'B' int (10) u everything comes from an

The date comparison method of PHP and MYSQL. MYSQL date comparison TO_DAYS (NOW ()-TO_DAYS (date_col) 30; our date_col must be in the date and time format, rather than the time stamp, mysqlSELECTFROM_UNIXTIME (875996580 ); -1997-10-MYSQL date

The php version of Weibo short link algorithm implements code. Idea: 1) generate a 32-bit signature string for the long URL md5, which is divided into four sections, each of which is 8 bytes; 2) process these four sections cyclically and take 8

A simple method makes background logon more secure (adding session verification in php ). This document uses Joomla! The background link is used as an example to explain how to "modify" our background link to make it more secure. Principle: use a

Phpmicrotime gets the floating point timestamp. This function has been used for obtaining: Copy the code as follows: functionmicrotime_float () {list ($ usec, $ sec) explode (, microtime (); return (float) $ usec + (float) $ sec);} you can see that

Summary of php methods for obtaining the url file name currently accessed. Recommended functions: first, PHP obtains the URL of the current page: dedecms also uses the Copy code as follows: get the current script URL functionGetCurUrl () {if (!

PHP source code compression tool. Usage: (run on the command line) copy the code as follows: phpcompactor. phpDESTINATION. phpSOURCE. php Download: compactor. php copy the code as follows :#! Usrbinenvphp? Php Usage: (run on the command line) The

Use PHP to query the code of the search engine ranking position. Copy the code as follows :? Php * query the ranking position of LANSJ in Google's Shenzhen photography studio; 2009-10-11lost63.com original search on the first 30 pages * $ page30;

Php calculates the time difference between two timestamps (hours ). This is can be specific to the hour of php code copy code is as follows: * Author: Yang Yu yangyu@sina.cn * enter two timestamps, calculate the difference, that is, the difference

PHP + XML to create a simple text tutorial. 1. message display page 2. publish a message and allow uploading images 3. enter a password to log on and delete the message. 1. the file directory upfile is the directory for storing uploaded images. 2.

Configure open_basedir in PHP to run virtual sites independently. At that time, I thought this was really bad compared with IIS, because in IIS, you can set an anonymous account used for site or even directory access in security, as long as the

Php object-oriented full strategy (1) Basic object-oriented knowledge. 1. object-oriented concept object-oriented programming (ObjectOrientedProgramming, OOP, object-oriented programming) is a computer programming architecture. one basic principle

PHP function syntax 1. Copy the code as follows: functiongetAdder ($ x) {returnfunction ($ y) use ($ x) {return $ x + $ y ;}}$ addergetAdder (8 ); echo $ adder (2); prints10 here, getAdder ( The code is as follows: Function getAdder ($