Often, developers find it useful to use this data structure in PHP to sort values or array elements. PHP provides some sort functions that are appropriate for a variety of arrays, which allow you to arrange elements within an array, and also allow
One, what is an array
An array is a set of data that organizes a series of data into an operable whole. Each entity of an array contains two items: The key and the value.
Ii. Declaration of data
There are two main ways to declare an array in
Today, the ' big server ' model is over, replaced by a large number of small servers, using a variety of load-balancing techniques. This is a more feasible way to minimize the cost of hardware.
The advantages of ' more small servers ' over the past
To add a watermark to the picture, in fact, is the original image and Watermark added together, the following small series of recently collated information to share.
PHP to the image file operation is mainly to use the GD library extension. When we
The nonsense does not say, pastes the code:
Copy Code code as follows:
/************************************
Functions: Watermark ($bigimg, $smallimg, $coord = 1)
Role: Add watermarks
Parameters:
$bigimg must be selected. Big
You can send header information through the header function in PHP, and you can set the Content-type of the file, and then sort out the content-type values for some common file types.
Date 2015-06-22//Definition Code header ('
/**
* @author Xiaoxiao 2011-1-12
* @link http://xiaoyaoxia.cnblogs.com/
* @license
* Number of rows and total files in the statistics directory · Remove annotations
*/
$obj = new Caculatefiles ();
If set to False, this does not display information
The design of this class is based on jquery, using the consonant method to manipulate pictures, such as:
Copy Code code as follows:
$image = new Usaimage (Array (' filepath ' => ' image1.jpg '));
Picture picture Overlay One picture,
That's what I think:
Iterate over the multidimensional array, all the keys to build an index to generate a one-dimensional array;
Each time through the key name to check the parent array of this key and data
OK, the code is as follows
Indexkey to
Only so called "advanced" usage, because I have not even the most basic use of the switch is not mastered, so, the following is actually the basic use of it!
A switch statement is similar to a series of IF statements that have the same expression.
The example in this article describes how PHP deletes duplicate rows in a text file. Share to everyone for your reference. The specific analysis is as follows:
This PHP function is used to delete duplicate rows in a file, to specify whether to
Inherited
It is often necessary to have classes that have the same variables and functions as other existing classes. In fact, it is a good practice to define a generic class for all projects and to enrich the class to fit each specific project. To
This article illustrates the Magickwand usage of the PHP image processing class library. Share to everyone for your reference. The specific analysis is as follows:
Magickwand is an extender for PHP that creates an interaction with ImageMagick to
This article describes the PHP to get Baidu included, Baidu hot words and Baidu snapshot method. Share to everyone for your reference. Specifically as follows:
Get Baidu included:
Get the hot word of Baidu
(. *) /is ',
This article illustrates how PHP uses the built-in DIR class to implement directory traversal deletion. Share to everyone for your reference. The implementation methods are as follows:
function Cleardir ($dir)
{
if (file_exists ($dir))
{
if
The example in this article is about the Universal Credit card verification class that PHP implements. Share to everyone for your reference.
The original text explains as follows:
Credit card Validation Solution (PHP Edition)Version
This article describes the PHP date function Date format Unix time method. Share to everyone for your reference. The specific analysis is as follows:
A date function can format a UNIX time into the desired text output according to the specified
Here once to support the upload of 2 pictures, upload the original and poor quality of the picture, the original image for the preservation of high quality pictures, poor quality of the graphic for Web page display.
PHP Code
Copy Code code as
You can add a configuration file, then add some IP addresses that need to be banned through a set of rules to the configuration file, read each rule in the configuration file when the program is initialized, and then check to see if the current
The code is very concise, the function is very practical, here is not much nonsense, directly to serve:
Copy Code code as follows:
/**
* Get Client IP
* @param integer $type return type 0:string,1:long
* @return String|long
*/
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