PHP

Php id card number verification function. Copy the Code as follows: functionvalidation_filter_id_card ($ id_card) {if (strlen ($ id_card) 18) {returnidcard_checksum18 ($ id_card);} elseif (strlen ($ id_card) 15 )) {$ id _ The Code is as

Use the PHP string regular expression replacement function preg_replace. 1. preg_replace () $ msgpreg_replace (style. + styleis, $ msg); ----- delete stylestyle and the middle part $ msgpreg_replace ([^] +, $ msg); ----- is the delete and inner 1.

Phpdirname (_ FILE _) obtains the absolute path of the current FILE. For example, the current file is placed under (d: www), and the file name is test. php. The test code is as follows :? Phpecho _ FILE __; obtain the absolute address of the current

Notes on using the PHParray_multisort () function. Function boolarray_multisort (array $ arr2array (, 5); array_multisort ($ arr1, $ arr2); result: $ arr1Array ([0] 10 [1] a [2] 11 [3] 100 [4] 100) #10 in the bool array_multisort function (array & $

Example of phpsmarty second-level classification code and template loop. The structure of the data table of level 2 classification is as follows: the PHP code is as follows ** @ document category contains Level 2 classification @ paramint $ rootnum -

Php quickly queries the code of its parent key and parent key value based on the key name in the multi-dimensional array. I think so: traverse the multi-dimensional array and index all the keys to generate a one-dimensional array. each time the key

Using CURL spoofing in PHP to crawl pages or files. The copy code is as follows: initialize $ curlcurl_init (); the URL to be accessed: curl_setopt ($ curl, CURLOPT_URL, asen. me); set the current URL: curl_setopt ($ curl, CURLOPT_RE The code is

PHP code execution time-consuming code fixes common online errors. Copy the code as follows: $ t1explode (, microtime ());... run the code... $ t2explode (, microtime (); echo ($ t2 [1]-$ t1 [1]). s. ($ t2 [0]-$ t1 [0]). ms; in fact, try it a little

Phpdebug installation skills. I plan to configure ZendDebugger for debugging. after the configuration is completed for a long time, the configuration is not successful and the ZendDebugger takes effect in phpinfo. I found it is a problem with php5.3

Use PHP to import Excel files to MySQL. I have studied it ~ Many methods ~ Finally, I decided to use Excel to import ~ I searched the internet for a lot of such information and found that the excel file was saved as a csv file, and then imported

Phpjoin function application. The copy code is as follows: $ keyarray (); $ valarray (); foreach ($ _ POSTas $ k $ v) {$ key [] '. strip_tags (mysql_real_escape_string (trim ($ k ))). '; $ val []. strip_tags (mysq The code is as follows: $ Key

Php displays the implementation code of arrays and objects. 1. use print_r ($ array $ var) print to print the meaning, while r is taken from the word of Array, so the function is to print the array content, it can print array content or 1. use print_

PHP learning output string (echo, print, printf, print_r and var_dump ). The following is a one-to-one introduction. 1. echoecho is a keyword of PHP, and it does not return a value. In terms of writing, it can omit parentheses. The following code:

Php implementation code for prime (Prime. Copy the code as follows :? Phpclasstmer {var $ time_start; var $ time_end; function _ construct () {$ this-time_start0; $ this-time_end0;} functiontimer () {$ this-_ constr The code is as follows:

Text-based visitor check-in book. On the Internet, I saw someone using PHP + MYSQL as a visitor's check-in book. at that time, I thought it was very useful, so I also wanted to create one. However, I think it was a very occasional opportunity to use

Create a DIY three-step counter (on ). Most people are eager to use databases for counters, message books, forums, and other things. This article will introduce self-made counter programs. First, create 0 ~ 9 Most of these 10 GIF figures are eager

Article recommendation system (2 ). APPRE. PHP $ strlenstrlen ($ articlemsg); if ($ strlen50) {echotablealigncenterwidth100 %; echotraligncentertd; echo are you sprinkling? To prevent some network friendliness ====== APPRE. PHP ============ $ Strlen

8 tips for PHP and MySQL development. Source: www. freelamp. comLAMP architecture website. I used to focus on installation and configuration, but I told a little about development because I am rarely engaged in development. The original text of this

Use PHP to read IMAP emails. This example can be used to practice IMAP functions, but if you really want to write WEBMAIL, you have to consider more than that ...... Lone Wolf login. php3? Phpif (! $ PHP_AUTH_USER) {Heade // This example can be used

A phpxml class for MySQL. I admit that I am not the leader in PHP. However, after reading some PHP information, I think some functions need to be added to it to process database connections and integrate XML. To do this, I admit that I am not the