PHP

Array_intersect () Definition and usage The array_intersect () function returns the intersection array of two or more arrays. The result array contains all values in the compared array and all other parameter arrays. The key name remains

Array_unique () Definition and usageThe array_unique () function removes repeated values from the array and returns the result array. When the values of several array elements are equal, only the first element is retained, and other elements are

Generally, foreach uses more Copy codeThe Code is as follows: $ Price = array ('apple' => 10, 'Orange '=> 20, 'banner' => 30 ); Foreach ($ price as $ key => $ value) { Echo $ key. '=>'. $ value. ' '; } Echo ' '; ?> There is also a more advanced and

How to submit cisa to the official php bug page Copy codeThe Code is as follows: /** * The array_diff () function of php 5.2.6 or later is being processed. * The long time required for large arrays * * Finishing: http://www.CodeBit.cn * Source: http:

First create an Ajax class (Ajax class) Then a new file form.html is created. ----------------------------Form.html ----------------------------Copy codeThe Code is as follows: Username: Password: Create a new php file form. php---------------

Syntax: Substr (string to be intercepted, start position, and truncation length) The start position starts from 0. If you want to extract from the first character, the start position parameter is 0.The last parameter is optional. If only the

Php code class: Copy codeThe Code is as follows: /** * Copyright (c) 2011-01 XatuDream * XatuDream All Rights Reserved. * Support: 185390516.qzone.qq.com * QQ: 185390516 * Author: Lau Version: 1.01 * Date: 2010-08-12 09:28:32 */ ! Defined

Copy codeThe Code is as follows: Public function captcha (){ $ Font_dir = $ _ SERVER ["DOCUMENT_ROOT"]. "your_ttf_file.ttf"; // Library $ Img_w = 58; // set the Image Width $ Img_h = 20; // set the Image Height. $ Font_size = 11; // font size $

Solution: Use the server as the proxy. In PHP, use my favorite most powerful CURL. The following is the instance code for querying domain names on www.net.cn. Copy codeThe Code is as follows: $ Dn = $ _ GET ['dn ']; // domain name, excluding www $

Text encoding conversion mb_convert_encoding () Mb_convert_encoding ($ str, $ encoding1, $ encoding2) $ Str: string to be converted to Encoding$ Encoding1: Target encoding, such as UTF-8, gbk, and uppercase/lowercase$ Encoding2: original

Array_slice () Definition and usage The array_slice () function extracts a value from the Array Based on the Conditions and returns it. Note: If the array has a string key, the returned array retains the key name. (See example 4) Syntax

Array_splice definition and usage The array_splice () function is similar to the array_slice () function. It selects a series of elements in the array but does not return them. Instead, it deletes them and replaces them with other values. If the

Removes array elements based on specified element values Copy codeThe Code is as follows: // Remove the "Cat" element $ A = array ("a" => "Dog", "B" => "Cat", "c" => "Horse "); Print_r ($ ); Unset ($ a [array_search ("Cat", $ a)]); //

Rsort () Definition and usageThe rsort () function sorts array elements in reverse order by key value. Similar to arsort. Note: This function assigns a new key name to the cell in array. This will delete the original key name, not just the

Copy codeThe Code is as follows: $ Fruits = array ("155: vbscript: http://www.jb51.net/list/list_114_1.htm", "1: javascript: http://www.jb51.net/list/list_3_1.htm", "2: Regular Expression: http://www.jb51.net/list/list_6_1.htm", "3 :: common

Next () Definition and usage The next () function moves the pointer to the current element to the next element and returns the value of this element. If the internal pointer has exceeded the last element of the array, the function returns false.

Array_combine () Definition and usageThe array_combine () function combines two arrays to create a new array. One of the arrays is the key name, and the other is the key value. If one of the arrays is empty or the number of elements in the two

In_array () Definition and usage The in_array () function searches for the given value in the array. SyntaxIn_array (value, array, type)Parameter descriptionValue is required. Specifies the value to be searched in the array.Array is required.

In this case, a problem occurs. The corresponding server of a client may execute for 1 second or 1 minute, so that the browser will remain in the waiting state. If the program runs slowly, the user may be impatient to close the browser. Sometimes,

Core code: Copy codeThe Code is as follows: header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT "); Header ("Last-Modified:". gmdate ("D, d m y h: I: s"). "GMT "); Header ("Cache-Control: no-cache, must-revalidate "); Header ("Pramga: no-cache ");