PHP Tutorials

PHP performance Optimization process to avoid the need to get PHP memory consumption, using the Memory_get_usage () function to get the current memory consumption situation, the function is simple to use, the following example of the form of the use

A small PHP document generation class. In the project development of the discovery of the PHP document lack of management, others wrote a, not much function /** * Class Name: Doc * Description: Document Generation class * Other: You can filter the

This article mainly introduces PHP can generate thumbnails of the file upload class, give the complete class file code and its corresponding usage example, very practical value, the need for friends can refer to the following This article describes

1, how to quickly get the total number of CSV large file? Method One: Directly obtain the contents of the file, using newline characters to split the total number of rows, this method is feasible for small files, processing large files is not

How to write PHP daemon (Daemon) A daemon (Daemon) is a special process that runs in the background. It is independent of the control terminal and periodically performs some sort of task or waits to handle certain occurrences. Daemons are a very

PHP's SPL provides implementations of the basic types of data structures, although we can use traditional variable types to describe data structures, such as using arrays to describe stacks (Strack) and then using the corresponding way pop and push (

PHP statistics directory in the file and directory size of the method, involving PHP for file and directory traversal, reading and operation of the relevant skills The examples in this article describe the files in the PHP statistics directory and

php5.3 does not support the eregi () function. When you write a regular, you may encounter an error with Ereg (), such as: Deprecated:function eregi () is deprecatedxxxxxxxx, because php5.3 already does not support Ereg (), you can use Preg_match ()

Many PHP programmers debug using Echo, Print_r (), Var_dump (), printf (), and so on, although this is sufficient for programmers with more extensive development experience, they can often be in the process of program execution, By outputting the

Meta-data (Metadata) programming idea originates from the high-level language of Java, which is simply to separate the business logic from the implementation code, to describe the mapping relationship between the business using only descriptive

When we run the PHP script as a Web, by default, even if you close the current page, the program will continue to execute, direct program end or timeout. What do we need to do if we want to break the program when the user closes the page or clicks

Using the Phpexcel class to export the XLS document format code example For convenience, the XLS document was previously exported using CSV mode. Now that the demand has changed, you want to export the document to be presented in the form of

As a result of a recent project design to the Gregorian calendar to get the corresponding holiday algorithm, not very understanding of this aspect, so on the internet searched a circle. Good, but also to find a relatively good PHP class, to achieve

Article click Weekly ranking, monthly leaderboard function Development Summary, Preliminary knowledge: Group By,mysql function Week (), month (), below we take an example to analyze how to develop a weekly ranking of articles, monthly ranking

Abstract class for PHP export CSV table PHP Exports the CSV abstract class, calculates the total batches according to the total number of records and the number of records per batch, and loops the export. Avoid running out of memory

Tips for exporting Chinese PHPGD Library in PHP It was not easy to find this article, finally solved my problem. A simple word,mb_convert_encoding ($markWords, "html-entities", "UTF-8") At the beginning of the online method is: Get rid of the

$string = "!&22e2&!" &5aSJ^#$&6$MD 5 = MD5 ("0e2c83d839c026a5e0530100007feb90". MD5 ($string, True), true); XOR the 16-bit binary bytes returned after MD5 encryption $data = Array (); $data [0]= "0"; for ($i = 0; $i $data [$i% 4 +1] ^= $md

PHP decoding JS using the escape transcoding function /*** function and JS unescape function, decode the data after escape encoded * @param $str */function unescape ($str) {$ret = '; $len = strlen ($STR); for ($i = 0; $i > 6))

The general server program is running in the system background, which is very different from the normal interactive command-line program. There is a function daemon in glibc. Call this function, you can make the current process out of the terminal

RG100A-AA memory is 32m,flash to 16M, the clock is 300MHZ, small memory and low frequency, which determines the hardware conditions must be considered when setting up the server. The Lighttpd+php5+mysql standard tutorial says that the minimum memory