PHP Tutorials

Problem Want to know if a string contains a specific substring. For example, want to see if an email address contains an @. Solve if (Strpos ($_post[' email '), ' @ ') = = = False) { echo ' there is no @ in the e-mail address! ';} Discuss

PHP5.0 began with the use of the early MySQL database extension functions, but also with the new extended mysqli technology to achieve the information exchange with the MySQL database, php mysqli extension is encapsulated in a class, it is an object-

Cclipwidget provides the ability to record "macros", and the content defined between Init and run of Cclipwidget can be stored in the controller's clip variable and replayed back to any other location. Cclipwidget encapsulates the basic usage of

This article explains how to query MySQL data through Ajax, and display the returned data in the list to be selected, and then use it in many backend management systems by choosing to eventually add the option to the selection. The operation of this

The following text: Create a new PHP file captcha_code_file.php First open Sessionsession_start ();//define the foreground display verification code length & Width $image_width = +; $image _height = +; $characters _on_image = 6; $font = './monofont.

When creating a view of an MVC application, you can directly construct the page view directly using the HTML language, and Yii also provides several helper classes to simplify the view writing. For example, to create a text input field, we can call

The examples in this article describe how PHP implements WebService using SOAP extensions. Share to everyone for your reference, as follows: Recently in a PHP project docking external interface involves webservice, search engine related articles

Objective Found a good PHP symmetric encryption algorithm on the Internet, in the PHP syntax environment, there are UrlEncode and Urldecode,base64_encode and Base64_decode with the symmetric algorithm, but these self-band algorithm can not be

function bool Array_multisort (array & $arr [, Mixed $arg = Sort_asc [, Mixed $arg = Sort_regular [, mixed $ ...]) Parameter description: function to sort multiple arrays or multidimensional arrays The first parameter is an array, each subsequent

Theming is a systematic way to customize the appearance of Web pages in a Web application. By adopting a new theme, the overall appearance of the Web application can be changed immediately and dramatically. In Yii, each topic is represented by a

The Zii component contains some jquery-based UI components that are defined in the package Zii.widgets.jui, including Cjuiaccordion, Cjuiautocomplete,cjuidatepicker, and so on. This article describes Cjuiaccordion, which shows a accordion component (

Each function returns the current key/value pair in the array and moves the array pointer forward one step Basic syntax Array each (array & $array) After each (), the array pointer stays in the next cell in the array, or when the end of the array

This article describes the PHP common string output method. Share to everyone for reference, specifically as follows: 1. Echo Usage: Use echo to output directly or echo () output, no return value $string = " bold display text ", Echo $string;//echo

Each PHP variable exists in a variable container called "Zval". A Zval variable container that includes two bytes of extra information in addition to the type and value of the variable. The first is "Is_ref", which is a bool value that identifies

First, the signal The signal is used to notify the process that an asynchronous event has occurred. The kernel can also send a signal to the process because of an internal event, notifying the process that an event has occurred. Note that the signal

Code first, with PHP scripting language Output Result: Array([0] = a[1] = b[2] = C[3] = a[4] = a[5] = b[6] = a[7] = C[8] = b[9] = a) Load Balancing server, its implementation algorithm is a round-robin weight round, is the back end of the server

PHP SSO Detailed SSO has three modes: ① cross-subdomain Single sign-on ② fully cross single-point domain login ③ Station Group shared identity authentication The first mode is simple, just set the domain of the cookie to the root domain of multiple

If a method needs to accept a callback method as a parameter, we can write Output: Do STH callback But we are not sure whether the callback method can be called, so there is a lot of extra work to be done to check whether this callback method

Today, we introduce the content of PHP learning, is the session. So what is the session and how do we use the session? The meaning of the session is to accomplish one thing, from start to finish some series of actions and messages. For example,

1.cURL Introduction CURL is a tool that uses URL syntax to transfer files and data, and supports many protocols, such as HTTP, FTP, Telnet, and so on. Best of all, PHP also supports the CURL library. This article describes some of the advanced