PHP Tutorials

Tutorial | Application instance PHP customize your own register The counter is the most direct way for a web visitor to know the popularity index of the page or site, and the number of visitors is also the best basis for advertising advertisers.

The PHP binary conversion function is as follows: Bindec ()-Binary conversion to decimal decbin ()-Decimal conversion to Binary Dechex ()-Decimal conversion to hexadecimal decoct ()-Decimal conversion to octal Hexdec ()-16 binary to decimal oc Tdec (

Stat (), Lstat (), file_exists (), is_writable (), is_readable (), is_executable (), Is_file (), Is_dir (), Is_link (), Filectime (), Fileatime (), Filemtime (), Fileinode (), filegroup (), Fileowner (), filesize (), filetype (), fileperms ()

PHP cache technology is very common and important in the development process, caching technology can reduce server load, reduce network congestion, enhance the WWW scalability, the basic idea is to take advantage of customer access time locality,

When defining a function, the argument list in parentheses after the function name is the interface that the user uses to pass the data to the inside of the function when the function is called, and the return value of the function returns the

In the forum to read a lot of posts, but found that some people are not very likely to use. Think that the description is not detailed enough to achieve! I'll talk to you again. First, you create a new rss.php file and copy the following code into

We all know that there are 12 months in a year, one months have 31 days (or 30 days, February has 28 days, leap year February has 29 days), one weeks have 7 days, 24 hours a day ... Wait a minute. But our computer does not know Ah, it is not able to

This article mainly describes the Centos7 Http://www.php.cn/php/php-tp-inst installation PHP7 The latest version of the detailed tutorial, one way is simple installation (through Yum), the other way is to compile the installation, the details of the

1. What is a regular expression The regular expression (regular expression) describes a pattern of string matching that can be used to: contain a (1) Check whether a string contains a string that conforms to a rule, and can get the string; (2)

do not map, print results are written directly in the code, than the stickers clear. "; echo $ $x; The printed result is b echo ""; echo $$ $x; The printed result is C echo ""; echo $$$ $x; The printed result is D-echo ""; echo $x; The

This article will discuss how to use the interprocess communication mechanism--IPC (inter-process-communication) in the PHP4 environment. The software environment discussed in this article is linux+php4.0.4 or later. First, let's assume that you've

Yii is a high-performance, component-based PHP framework for rapid development of large WEB applications. It maximizes reusability in web development and can significantly improve the speed of your Web application development. The name Yii (read as

Extended Build There is no doubt that you have noticed that each PHP extension contains some very common and very monotonous structures and files. When starting a new extension development, if these public structures already exist, it is meaningful

in the Infinite Classification of PHP, many of the methods used are recursive, but our understanding of recursion is still very vague, we will then understand the advantages and disadvantages of recursion, so that we can have a comprehensive

PHP packages a folder into a ZIP file: function Addfiletozip ($path, $zip) { $handler =opendir ($path);//Open the current folder is specified by $path. While (($filename =readdir ($handler))!==false) { if ($filename! = "." && $filename! =

The example in this article describes how PHP exports generate word. Share to everyone for your reference, as follows: PHP Export Word (1) First, preview the HTML page, instantiate the object, define the data to be exported(2) Click on the download

PHP Numeric Format Function Number_format Introduction, Number_format (the number to be formatted, the number of decimal places to keep, the string of decimals, thousands separator). Number_format function Number_format (the number to be

This article introduces in detail about PHP dirname, basename, pathinfo parsing directory path, there is a need to learn friends can refer to. 1:string basename (string path[,string suffix]); Give a string containing a full path to a file, this

How to learn PHP implode () Implode function Understanding 1 The implode () function combines array elements into a single string. 1. How the array elements are understood; 2. Whether the array element is a function object; 3. Whether the

Today, at the time of compiling nginx, we found that there are several different packages on OpenSSL as follows: 4441 2016-jan-28 14:38:54 openssl-1.0.1r.tar.gz (SHA256) (PGP sign) (SHA1)5135 2016-jan-28 14:38:54 openssl-1.0.2f.tar.gz (SHA256)