PHP

PHP has a lot of file system-related functions, not only can help you open the file, you can also display the contents of the directory, mobile files and so on. Many people even use PHP to write a web-based file manager. First you need to remind

This article mainly introduces the use of FFmpeg in PHP to get video thumbnails and video total time long examples, the need for friends can refer to the The code is as follows: Get thumbnails of video files function Getvideocover ($file, $time, $

This article mainly introduces the Linux in PHP to determine the state of the program running 2 methods, the need for friends can refer to the Sometimes in the server to write some scripts, often to put into the crontab inside the regular operation.

How to use PHP to invoke the contents of a text file directly: first open a text file on the server through the file function, the returned $myfile will become the handle of the file operation, and then through the loop instruction, take out the

PHP two-dimensional array same key name add Array ( [UID] => 19 [PID] => Array ( [0] => 91 [1] => 81 ) [Price] => Array ( [0] => 6 [1] => 14 ) [Pnum] => Array ( [0] => 1 [1] => 1 ) ) To find the value of the same key name as the

Have nothing to do, want to try encryption, and then use their familiar php to write ... Principle: Convert the characters to ASCII, then convert the ASCII code, convert the result into a character, and the encryption is done. ? Realize: Enter

We often see a lot of the site's statistical code is in the form of JS call, let's look at an example below. $countfile = "Num.txt"; Defines that the file written by the counter is num.txt under the current directory, and then we should test

  This is its own previous written a PHP collection class, has been used, I feel very simple and powerful, as long as the knowledge of a little selector can be collected any page, but also support HTTPS page, do a simple collection enough to use the

  This article mainly describes the PHP string in the invalid line break, can not wrap the solution, in fact, PHP is the double quotes and single quotes use problems, the need for friends can refer to the following For example, the following code:

This article mainly introduces the use of PHP to calculate the size of a directory, the need for friends can refer to theThe PHP CURL session COOKIE can invoke system commands, as well: The code is as follows: function Dirsize ($dir) {@ $dh =

This article mainly introduced the PHP filter sensitive word example, needs the friend may refer to underThe code is as follows: $badword = Array (' John ', ' Zhang San Fung ', ' Zhangsanfungtan '); $badword 1 = array_combine ($badword, Array_fill (0

  This article mainly introduces PHP using codebase to generate random numbers of examples, the need for friends can refer to the following There are 25 pieces to vote on, one vote needs to choose 16, and one vote for a single work only once. A

Single picture upload is not complicated, here involves many pictures upload and the picture format of the check, to ensure that the upload must be pictures, to prevent uploading other files to the server. The basic implementation algorithm is to

This article mainly introduces the method of passing the PHP array or object to JavaScript, and the friend who needs it can refer to theSearch the Internet for a number of methods, and finally adopted the way through the JSON string. Suppose there

The main use is the sort function of PHP, Asort () and Arsort ().To reduce the coupling of the code, we encapsulate a function by sorting the key values in the array.1PHP2$array =Array (3Array'name'='AA',' Price'=1050),4Array'name'='BB',' Price'=4300

Php Apache Virtual Host Configuration, phpapache Virtual Host Apache 2.4 is used as an example. 1,Modify httpd. conf Remove the # in the second line below to start the Virtual Host Configuration # Virtual hosts # Include

Four basic sorting algorithms in PHP and four sorting algorithms in PHP Eg: bubble sort, quick sort, select sort, insert sort1. Bubble Sorting Train of Thought Analysis:In the number group to be sorted, compare and adjust the adjacent two numbers in

Php uses smarty for simple message system, detailed steps are simple, smarty message system The message is an example of the previous use of php. Now we use the smarty template for the message. This is probably the case. Click Publish

PDO pre-processing statement avoids SQL injection attacks, and pdo pre-processing avoids SQL The so-called SQL injection attack means that an attacker inserts an SQL command into the input field of a Web form or the query string requested by the

As mentioned above, the PclZip method for php to package compressed files. Today, another simpler method is to use ZipArchive to compress files. As mentioned above, the PclZip method for packaging compressed files in php is another simpler method