PHP Tutorials

We often encounter arrays when using the array does not exist, resulting in our Jean array[100] such when there is notice:undefined offset error, let me show you how to solve this problem Cases: The code is as follows Copy Code

A friend said that these two are actually the difference between the wording, the following I would like to show you about the difference between global and $globals, the need for a friend can be specific reference. According to the official

How to become a specific user group Answer I'll answer that. Other Solutions Other sections can be called add-ons to see accessories Other Solutions What do you mean, not read

Session refers to the time that a user has spent browsing a website, from entering the website to the browser closing, which is the time it takes for the user to browse the site. From the definition above, we can see that the session is actually a

This article to introduce to you about PHP judgment string encoding is Utf-8 program code, if you are interested in not to enter the reference. We used to use mb_detect_encoding () This function detects character encoding The code is as

Problem Questions about PHP generated text Workaround Hello, my brother has a problem. I now upload a bit of data, such as my profile and so I want to add a "download" button at the front desk, click this button will send my uploaded data from the

This article to the students to introduce two simple examples, PHP array to XML and XML conversion array, I hope this article will help you friends. PHP Array to XML The code is as follows Copy Code function Array2xml

Getting the array length method in PHP is simple, PHP provides us with two functions to calculate the length of one-dimensional array, such as count,sizeof can be directly statistical array length Oh, let's look at a few examples. How PHP Gets the

What does the previous & number mean when defining a function? Title, please give examples of experts. Thank you Best answer [url=http://www.111cn.cn/bbs/space.php?username=qxhy123] link tag

An absolutely easy-to-use Php/mysql/apache integration environment: easyphp easyphp 1.5 17/08/2001 Nouvelle version avec:apache 1.3.20-php 4.0.6-mysql 3.23.40-phpmyadmin 2.2.0RC4. Quelques nouveautés:gestion des alias et des répertoires data MySQL,

If we are a one-dimensional data to repeat items do not say that there is a direct function, but the two-dimensional data PHP does not provide a function, the following small series to recommend two good two-dimensional array to repeat the custom

We often encounter some problems like directory permissions can not be accessed, there may be hundreds of or thousands of files or files directory, below I wrote an example of using PHP to bulk change directory permissions. The code is as

CSV file is a plain text file, but using Excel file opening can be used as an Excel file, let me summarize several commonly used PHP instances to read Excel. PHP has its own analysis. csv function: fgetcsv Array fgetcsv (int $handle [, int $length [,

Traverse the directory under the file name and show that we will use several functions one is the Opendir directory read function, and then use Readdir to get the directory in the information to the array and then through the while traversal. Show

PHP Image Operation class This program can obtain the image size, format and other information, but also to the image of the thumbnail processing and image watermark function Oh. PHP Tutorial Image Manipulation ClassThis section of the program can

This is a very basic thing we can through the constructor to implement the creation of the class is automatically connected to the MySQL server, as long as we set the $name, $pass, $table the value of three variables is good. The code is

In PHP Strpos is the first place to find the string, if there is a return ture or related to the specific number, no return 0 or FALSE, but I want to use it to do a wordpress keyword blacklist anti-spam comments found some problems, below we

This article to the students summed up a number of commonly used image processing functions, including scaling, cropping, zooming, flipping, rotation, transparency, sharpening function, we can refer to the reference. Note: If you want to use the PHP

Generate static page is PHP to reduce the server load and SEO site optimization a good choice, so php generated static page function is almost all PHP programmer must understand and master a knowledge point, I will introduce you to the PHP

Thumbnails use the most is when we upload a picture to generate a small image, so that it can be a good solution to the image size or affect the overall beauty of the site, the following description of the generated image thumbnail class does not