PHP

The code is as follows Copy Code $dirname = @opendir ("abc") Or Die ("Open Directory unsuccessful ");Readdir ($dirname). " ";Readdir ($dirname). " ";while (($filess =readdir ($dirname))!=false){if (Is_dir ("abc/". $filess)){echo

Shengxin Network: First open free 100M space Limited applicationIIS Connection amount/apache Connection amount not LimitedSend a free level two domain name, you can bind 3 domain namesOnline Control Panel, support for online decompression, setting

JSON (JavaScript Object notation) is a lightweight data interchange format. Easy for people to read and write, but also easy to machine parsing and generation. JSON plays a very good role in the process of background interaction in the front. Please

In the development of PHP applications, if you do not want to develop new encryption algorithms, you can also use the crypt () PHP function to complete the one-way encryption function. Understanding Crypt () As long as you have a bit of experience

Do ... while statement will always execute the block of code once, then check the condition and repeat the loop while the condition is true. GrammarTodo{code to is executed;}while (condition); For exampleThe following example defines a loop, which

PHP htmlspecialchars function Definitions and usageThe Addslashes () function adds a backslash before the specified predefined character. Some characters have special meanings for HTML and should be represented in HTML entities if they want to

If the use of Iconv () function conversion code is relatively simple, but many virtual host does not support this component, I find a half-day on the Internet, only to find a gb2312 to Utf-8 method, but not reverse conversion. This function is as

PHP Date Time Add minus /*** Time addition operation* @param int $increment increment* @param string $unit Unit* @param the time format returned by string $returnFormat* @return void*/Public function Add ($increment, $unit = ' s ', $returnFormat =

This article is about a simple use of strrpos explode is_array and other functions Oh, About Strrpos judgmentCharacter Strrpos ($j _rs->selectedjob, '-') if there is a character to be checked About Explode judgmentIn what form does the character

When the installation of an extension of PHP to restart Apache, php-m time to appear PHP warning:php Startup: Extended Name: Unable to initialize module warning, in general, because there are more than one PHP version exists, resulting in PHP

I usually think about spaces. I usually use trim. Today, I found that spaces in the middle cannot be removed. however, we can only find out the description. trim can only go to two ends, for example, $ abc = a B c;. trim can only remove spaces

Example 1The following multi-dimensional array is supported.Test Code: test. phpInclude './ArrayToXML. Php ';Header ('content-Type: text/XML ');$ Data = array ("name" => "zhangsan", "sex" => "0", "address" => array ("sheng" => "chongqing ", "shi" =>

Use php curl to call the interface provided by the other party and receive the following error message:HTTP Status 415The server refused this request because the request entity is in a format not supported by the requested resource for the requested

All the generated excel files use the phpExcel class. Here we will introduce the solution when the generated excel column name is greater than 26 columns and greater than Z. This is the method in the phpExcel class. I found it today, record the memo.

Comparing strings is one of the important features of string processing in any programming language. In PHP, you can use the comparison operator signs (=, ) to compare the strings. In addition, you can also provide a series of comparison functions

Mkdir (); functionPhp creates folders and files/// Create a folder The code is as follows:Copy code Function createdir ($ dir){If (file_exists ($ dir) & is_dir ($ dir) {// if this file exists and this file is a directory, no action will be taken.

 Js versionRegular Expression Matching Chinese characters: [/u4e00-/u9fa5]Match double-byte characters (including Chinese characters): [^/x00-/xff] The code is as follows:Copy code Var reg =/^ [u4e00-u9fa5] + $ /;If (reg. test (str )){Alert

I. Variable assignmentYou can assign values to variables after they are declared. There are two methods: value assignment and reference assignment.1. Value assignment$ Color = "red ";$ Sum = 12 + "15";/* $ sum = 27 */2. If you want two variables to

. If you can use file_get_contents to replace file, fopen, feof, fgets, and other methods, use file_get_contents as much as possible because of its high efficiency! Note the php Tutorial version when file_get_contents opens a url file;Echo

If (function_exists ('date _ default_timezone_set ')){Date_default_timezone_set ('Asia/Shanghai'); // Set the time zone}Define ("APP_ROOT", dirname (_ FILE _); // The website root directoryFunction visitorIP () {// visitor IPIf ($ _ SERVER ['http _