PHP

PHP prompts and jumps to the new page (redirection ). Start using the following redirection: echoscriptalert (sucess); parent. location. hrefuserindex; script; alert contains the prompt message, and href is the page to jump to after the prompt.

Php full-width conversion to halfwidth function instance code. I tried to replace ASCII characters on the internet and found many inexplicable problems. Finally, replace the following character with the replacement method. I tried to replace ASCII

PHP: The session cannot be used. When I put a set of programs on another server for execution today, I found that the background login verification code is always displayed, regardless of whether the entered verification code is correct or not: when

The implementation method of the two-level interactive select refresh with unchanged values. The background is still the relationship between the school and the major. after clicking the submit button, there are several ways to continue to maintain

Introduction to using php buffer output_buffering and ob_start. Bufferbuffer is a memory address space. in Linux, the default size is generally 4096 (4 KB), that is, a memory page. It is mainly used between devices with different storage speeds or

PHP kernel exploration: variable overview. The basic elements in modern programming languages include variables, flow control interfaces, and functions. Can I write programs without variables? This is obviously possible. for example, the basic

Curl does not use file access cookiephp to use curl to obtain cookie examples. Copy the code as follows: * ----- save COOKIE ----- * $ urlwww.xxx.com; url address $ postiduserPOST Data $ chcurl_init ($ url); initialize curl_setopt ($ ch, CURLOPT_HEA

Php compares the two absolute time values. Copy the code as follows :? Php $ zero1date ("y-m-dh: I: s"); $ zero2 "2010-11-2921: 07: 00'; echo" zero1 Time :". $ zero1. "br"; echo "zero2 Time :". $ The code is as follows: $ Zero1 = date

Php uses curl to check if the webpage is shared by Baidu. Copy the code as follows :? Php ** checks whether Baidu has indexed the webpage. curl mode * @ paramstring $ url: the input url * returnint (1 is included, 0 is not included) *

PHP uses the Mail_MimeDecode class to extract mail information samples. Focus on the one_mail function. Use the Mail_mimeDecode class to extract the mail header and body from the mail. Copy the code as follows :? Phpheader (content-type: texthtml;

Php's custom function dump is used to view array information similar to var_dump. This has been around for a long time and is much better than var_dump in php. Copy the code as follows: functiondump ($ vars, $ label, $ returnfalse) {if (ini_get

Some notes (encoding conversion and regular expression matching) about data processing after data collection based on preg_match_all ). 1. use curl for out-of-site collection. for details, refer to my previous note: www.jb51.netarticle46432.htm 2.

Preg_match_all. Preg_match_all-perform Global Regular Expression Matching. The Copy code is as follows: intpreg_match_all (stringpattern, stringsubject, arraymatches [, intflags]) perform global regular expression matching in subjec

How to Define variables and constants in the smarty template. The simple method for defining constants is as follows: how does the code {$ smarty. const. Your defined constant name} Define variables? Defining variables in smarty. {* is equivalent to

PHP array encoding conversion example. The final function is as follows: code functionarray_iconv ($ in_charset, $ out_charset, $ arr) {returneval (return. iconv ($ uses the serialization method to build an array prototype. with the var_export

Simple php Cache class sharing. This article mainly introduces a php Cache class with md5 encryption for file names. for details, refer to the following code :? PhpclassCache {private $ dirdatacache; defines the cache directory private $ this

Differences between phpstripslashes and addslashes. When writing data to mysql, for example, copying the code: mysql_query (updatetableset 'title' kuhanzhusblog); an error occurs. Like asp, databases write data to mysql, for example: The code is

PHP task learning 2: recognize the scope of the variable. The existence of local variables and global variables has its life cycle. we can make it exist in a small function or the whole program. For general cases Local variables and global variables

Simple php Cache class sharing php Cache mechanism. Copy the code as follows :? PhpclassCache {private $ dirdatacache; defines the cache directory private $ keyc_a_sss; file name md5 encryption key functionset_dir ($ dirpath) {$ thi The code is as

Php dialog box to implement redirection code. 1. use js to copy the code as follows: if (! $ This-userInfo) {$ alert_msg activation link error; echoSCRIPTLANGUAGEjavascriptalert ($ alert_msg); window. location $ redirect _ 1 implemented by js The