PHP Tutorials

Title: Combinatorial algorithm: There is an array a with n elements, and now it is required to find out the number of all combinations containing arbitrary elements. Answer: Look at the law first: Suppose that this array is m=5 as array (1,2,3,4,5);

Simply indicate: Copy CodeThe code is as follows: Class Test { Private $_name = '; Public Function SetName ($name) { $this->_name = $name; return $this; } Public Function GetName () { Echo $this->_name. "\ n"; return $this; } } $link = new test ();

Copy CodeThe code is as follows: Public Function Captcha () { $font _dir = $_server ["Document_root"]. "Your_ttf_file.ttf"; Font Library $img _w = 58; Set Picture width $img _h = 20; Set Picture height $font _size = 11; Font size $angle _l =-10;

array_splice definition and usage The Array_splice () function, like the Array_slice () function, selects a series of elements in an array, but does not return, but instead deletes them and replaces them with other values. If the fourth argument

Copy CodeThe code is as follows: function Write_naps_bot () { $useragent =get_naps_bot (); Echoexit ($useragent); if ($useragent = = "false") return false; Date_default_timezone_set ("Asia/shanghai"); $date =date ("y-m-d h:i:s"); $ip

First, SHOPEX host environment1. Windows 2003 R2 2, iis6.0+php5.0 above 3, mysql5.0 above If you have any hope of understanding the PHP environment, check out: How to configure and build Iis+php+mysql environment under WINDOWS2003 second, Shopex

Background profile.php Code: Copy CodeThe code is as follows: $arr = Array ( ' FirstName ' = iconv (' gb2312 ', ' utf-8 ', ' Non-Prudential '), ' LastName ' = Iconv (' gb2312 ', ' utf-8 ', ' Don't Disturb '), ' Contact ' = = Array ( ' Email ' = '

Array_pop () Definition and usage The Array_pop () function deletes the last element in the array. Grammar Array_pop (Array) parameter description Array required. Specifies the input array parameters. Example Copy the Code code as follows:

Three ways to implement PHP timed execution 1. Scheduled Tasks for Windows 2, the Linux script program 3. Let the Web browser refresh periodically Specific implementation Windows Scheduled TasksPHP rarely run on the win server, the specific

Copy CodeThe code is as follows: The value to be taken into the system position function Getremainder ($num, $bin, $pos, & $result = 0) { Author Lianq.net $num Value, Decimal $bin the binary to convert Number of $pos digits $real _len = log ($num,

To master the method of using the Benchmark_iterate class tool. Directory One, what is pear and benchmark Second, performance comparison code preparation and debugging Third, performance comparison test results Four, performance comparison test

Copy CodeThe code is as follows: /** * Get hot words from Baidu * @user Little Jay * @from http://www.isharey.com/?p=354 * @return Array returns the hot Word data from Baidu (array return) */ function Getbaiduhotkeyword () { $templateRss = file_get_

Knowledge points involved: PHP to iterate through Excel files PHP converts characters into decimal numbers by ASCII encoding PHP reads the Excel date format and displays the conversion PHP code Conversion of Chinese characters garbled Copy

There is a function called Strtotime in PHP. Strtotime implementation: Gets the timestamp of a date, or gets the timestamp of a time. Strtotime to parse the datetime description of any English text into a UNIX timestamp [convert system time to UNIX

This procedure is actually an important part of the "Thief procedure". This section of the program is just download remote pictures of the paragraph, the program is relatively simple to write, most of the parts have been commented. Copy CodeThe

Narcissus number is a number of n (>=3) digits, which equals the sum of the n power of each number. For example, 153 is a number of daffodils, 153=1³+5³+3³. Write a program to solve the number of all daffodils less than 1000. Copy the Code code as

First of all, my advice is to encounter problems Ferry, PHP manual over 1001 times, the problem solved. I Baidu a bit, netizens give the answer a variety of. First correct Baidu to a wrong way: Copy CodeThe code is as follows: $sql = "Update

1. Super Simple page CacheIf your project is not based on a CMS system or framework, creating a simple caching system will be very real. The following code is simple, but it can solve a problem for small sites. Copy CodeThe code is as

Copy CodeThe code is as follows: $a =zip_open (' other.zip '); while ($e =zip_read ($a)) { $FZ = Zip_entry_filesize ($e); $FN = Iconv (' GBK ', ' UTF-8 ', Zip_entry_name ($e)); if (! $fz) {//dir mkdir ($FN); Continue } if (!zip_entry_open ($a, $e))

Class is very simple, mainly using a number of function array list function lists (), String segmentation function explode (), get time stamp and microsecond number Microtime (), the code is as follows: Copy CodeThe code is as follows: Class