how to code in php

This article mainly introduces the PHP production of dynamic random verification Code of the relevant information, the need for friends can refer to the following The Verification Code (CAPTCHA) is the abbreviation for "Completely Automated public

The total number of files in the PHP statistics directory and the number of lines of code, perform the statistics of files in the directory When skipping files: the matching rules only start with the file name, and the matching rules are limited

I carefully studied the efficiency of the decompression program written in php, which is much higher than I thought. since it is so good, I just need to optimize it and use it in my background, although the control panel in most of the space

This article introduces in detail how to implement asynchronous calling of multi-threaded methods in PHP. below we will send a recommendation email to 1000 users, the user entered or imported the email account and submitted it to the server for

Ob_start ([stringoutput_callback])-all output information in the output buffer is not directly sent to the browser, but saved in the output buffer. an optional callback function is used to process output result information. ob_en... ob_start

With the support of filefilereader, how to implement asynchronous file upload in php with Ajax technology makes asynchronous file Upload easier. (Previously, the form will be submitted to iframe for implementation) Ajax 1: Get the file object 2:

This article mainly introduces how to implement crontab code sharing in PHP. This article provides the implementation code and how to use it. For more information, see 1. Prepare a standard crontab file./crontab The Code is as follows: # M h dom

Recently want to write a crawler in PHP, you need to parse the HTML, found on SourceForge a project called PHP simple HTML DOM Parser, it can be similar to jquery through the CSS selector to return the specified DOM elements, the function is very

Example 1, the queue operation: Copy CodeThe code is as follows: $redis = new Redis (); $redis->connect (' 127.0.0.1 ', 6379); while (True) { try{ $value = ' Value_ '. Date (' y-m-d h:i:s '); $redis->lpush (' Key1 ', $value); Sleep (rand

Occasionally to use PHP to do some of the MySQL database operation Test, their own writing is too cumbersome, the results of the search generally contain a lot of useless code, here will PHP MySQL operation to summarize, I hope that later use when

The article introduced two kinds of database record code, one is our PHP write common database backup class, the other is for Linux friends to provide an automatic timing backup MySQL database code, the need for students can refer to. Save the

This article to introduce some commonly used PHP to get an array of random array of some instances of the program, I hope this method is helpful to all friends oh. Paste a piece of code, get random array in PHP without much to say, direct code, PHP

Error_reporting (E_error | e_warning | E_parse); Set_time_limit (0); $ Server = www.2cto.com ; IP Address $ Host = www.2cto.com ; Domain name $ Target = /test.php?x=1 ; Specific Program $ Referer =

I. Types of injection attacksThere may be many different types of attack motives, but at first glance there seems to be more types. This is very real-if a malicious user discovers a way to execute multiple queries. We'll discuss this in more detail

A total of four files, respectively, is to create, add, delete, modify four functions, variables are written dead, change to a $_post way to receive it can be used index.php Creating features Copy CodeThe code is as follows: $xmlpatch = '

Here's the online Copy CodeThe code is as follows: Class Arraytoxml { /** * The main function for converting to an XML document. * Pass in a multi dimensional array and this recrusively loops through and builds up an XML document. * * @param array $

Simple Factory mode: ① abstract base class: Some methods of defining abstractions in classes to implement in subclasses ② inherits from the subclass of the abstract base class: Implementing an abstract method in a base class ③ Factory class: Used to

Let's first check if our PHP is open to the GD library. Copy CodeThe code is as follows: if (extension_loaded (' GD ')) { Echo ' You can use GD '; foreach (Gd_info () as $cate = = $value) echo "$cate: $value "; }else Echo ' You did not install GD

& Lt ;? Phpfunctionmy_headlines ($ url) {$ rdfparse_url ($ url); $ fpfsockopen ($ rdf [& amp; 39; host & amp; 39;], 80, $ errno, $ errstr, 15); if (! $ Fp) {$ content & quot; & lt; Function my_headlines ($ url ){ $ Rdf = parse_url ($

What is UBB?Code The UBB code is a variant of HTML and is the ultimate Bulletin Board (a foreign BBS Program , There are many places in China that use this program) using a special tag. The UBB code is very simple. Although there are few functions,