PHP Tutorials

Some of the more common questions about the interview process in PHP Inverse string can use "Strrev" but the final thing is multibyte string Invert string function Mb_strrev ($str) {$len = Mb_strlen ($str, ' utf-8 '); $r = Array (); for ($i =0; $i

Algorithm collection of interview questions There is a string, a, B, to extract the characters contained in the AB string, for example: ①a= "Hello", b= "Jeesite", then Output "E", ②a= "common", b= "month", Output "MnO", the order of output

How PHP configures the virtual directory under Windows 1. First locate the Apache configuration file httpd.conf look for the following code: # Virtual Hosts#Include conf/extra/httpd-vhosts.conf Remove # Include conf/extra/httpd-vhosts.conf #, as

Common validation Regular expressions for PHP Number, mobile phone number, QQ number, URL address legality check 1. Verify that it is an integer 1 function isnumber ($val)2 {3 if(ereg $val))4 returntrue; 5

When action is empty, Linux is compatible, okay? This post was last edited by GOIMT on 2015-08-31 18:55:44 Form action= ', action is empty, win test is normal, do not understand Linux can be used, compatibility is good, is not related to php.ini

How to traverse multidimensional arrays without recursion (indefinite number of dimensions) Existing array $tree = Array (Array (' ID ' = 1,' PARENT ' = 0,' NAME ' = ' grandfather ',' Child ' = = Array (Array (' ID ' = 3,' PARENT ' = 1,),Array ('

ThinkPHP3.2 determine whether to access the phone and jump to another module method directory structure Common module Common,home module, Mobile module Configuration Application/common/conf/config.php File'module_allow_list'='Home,mobile'Next

How to make a div float on top of another Div It's just the demo. DOCTYPE HTML Public "-//W3C//DTD XHTML 1.0 strict//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd ">Metahttp-equiv= "Content-type"content= "text/html; charset=gb2312" />

thinkphp Source Analysis (i) In the work, I came into contact with the development of the thinkphp framework, perhaps for most children's shoes, is a simple use, but as a technology enthusiasts, or do not give up a glimmer of hope, seriously began

Click Load more at the bottom of the article list, even if sharing the code also ask questions JQ Ajax Code: ThinkPHP3.2.3 Front Controller index method: Public Function index () {$p = $_post[' P '];//3 6 9$amount = 3; Show number of bars$count =

REDIRECT jumps to the Web site's external chain In the Emlog comment function, the message person can fill in the website address. But there are times when we don't want to have too many cluttered external links on our site. Of course, we can add

Ask to generate letters plus numbers There are 26 letters {A-Z} and 10 numbers {0-9} If you want to generate 8-bit characters, the case-sensitive, This arrangement is (26+26+10) 8 times Square = 218,340,105,584,896, which 218 trillion But adjacent

Query data return error warning in SAE SAE platform, the database is open, the table has been built, want to implement the function: Query field A contains the record of content A, return the field B value of the record: The code is as follows:

MySQL Query question---80 points-including the previous points This post was last edited by amu1433 on 2015-07-13 12:16:30 The previous issue of this has a problem http://bbs.csdn.net/topics/391071156 re-correction ... ID name nid1 Name 1 33 Name 1 3

Laravel Installation Record System environment: ubuntu-14.10-server-i386 (+) LAMP system default installation According to: http://laravel.com/docs/5.1 official documentation, ready to install via Composer 1, install Composer. Reference:

thinkphp bottom Set jump 404 page After the development of the project to block the error, in the bottom directory to write a 404 page, the entry file App_debug to False, the code uses the following methods1. Using an empty operation, _empty (),

Ask the cow to explain the server found on the foreign cattle people wrote the Trojan $sF = "Pct4ba6odse_"; $s 21=strtolower ($sF [4]. $sF [5]. $sF [9]. $sF [6]. $sF [3]. $sF [+]. $sF [8]. $sF [+]. $sF SF[7]. $sF [8]. $sF []), $s 20=strtoupper

Solving maze problem by backtracking Introduction Recently in the Leetcode to see some algorithmic problems, some look at a very simple very common things, unexpectedly suddenly think not how to solve, such as said: 实现sqrt函数 , 求数组的排列 . If the high

Beginner's advice on how to recycle attachment labels in articles This post was last edited by qq33184 on 2015-09-06 00:32:33 $article [' content '] = Str_replace (' [attach_40] ', $this->get_attach_url (' + '), $article [' content ']);$article ['

Basic questions of PHP face questions 1. What are the methods you use to solve traffic problems for large-volume websites? First, verify that the server hardware is sufficient to support current traffic Second, optimize database access. Third,