PHP

For example $ Array3 = array ("gender" => "male", "name" => "not a woman ");$ Array4 = array ("gender" => "unknown", "Looks" => "handsome "); After the merge, the latter will overwrite the former, so that after the merge, it will become Array ([

Function is_email ($ Str ){// Check emailReturn preg_match ("/^ \ W + ([-+.] \ W +) * @ \ W + ([-.] \ W + )*\. \ W + ([-.] \ W +) * $/", $ Str );} Function is_url ($ Str ){// Check the websiteReturn preg_match ("/^ http: \ // [A-Za-z0-9] + \.

CopyCode The Code is as follows: Date_default_timezone_set ('prc'); // Default Time Zone Echo "Today:", date ("Y-m-d", time (), " "; Echo "Today:", date ("Y-m-d", strtotime ("18 June 2008"), " "; Echo "yesterday:", date ("Y-m-d", strtotime ("-1 day")

Function is_utf8 ($ string ){ Return preg_match ('% ^ (? : [\ X09 \ x0a \ x0d \ x20-\ x7e] # ASCII | [\ Xc2-\ xdf] [\ X80-\ xbf] # non-overlong 2-byte | \ Xe0 [\ xa0-\ xbf] [\ X80-\ xbf] # excluding overlongs | [\ Xe1-\ xec \ xee \ XeF] [\ X80-\

Solution 1: 1 GB free space, 8 FTP accounts, 8 MySQL databases, and 8 PostgreSQL databases. Solution 2: 2 GB free space, 2 FTP accounts, 2 MySQL databases, and 2 PostgreSQL databases. Web: http://www.bplaced.net Click "sign up", select the free

In most cases, we specify another URL address to process the form content to the action attribute, but in some cases, we need to submit the form data to ourselves. In this case, how should we specify the action attribute value? If (isset ($ _ post ['

HTML section: Function postrequest (strurl ){ VaR XMLHTTP; If (window. XMLHttpRequest) {// for Mozilla, Safari ,... VaR XMLHTTP = new XMLHttpRequest (); } Else if (window. activexobject) {// for Internet Explorer VaR XMLHTTP = new activexobject

Therefore, I think all session-related tables should be specially treated in the master-slave database design. That is, all session data tables can be updated and queried. When a user accesses the site, the user is bound to the specified database.

Disadvantages: Images with different lengths and widths will be stretched and deformed, so they cannot be intelligently cropped. If you need to intelligently crop images, study them on your own. $ Config = array (); $ Config ['path'] = "./"; $

Package Functions ~ Easy and convenient! Although the compression ratio is a little worse than WinRAR, it does not matter. After all, it is only packaged for download. It saves you the trouble to package your site on the server. If the server is not

CopyCodeThe Code is as follows :** * @ Note: File Cache output * @ Parameter: $ cachefile => cache file (absolute path) * @ Parameter: $ pertime => cache output Interval * @ Parameter: $ SQL => SQL statement * @ Parameter: $ templatefile =>

$ _ Server ['php _ Self '] # File Name of the script being executed, which is related to document root.$ _ Server ['argv'] # parameters passed to the script.$ _ Server ['argc '] # include and pass Program Number of command line parameters (if

When a visitor leaves a message or post a message, we do not want the visitor to use HTML tags in the message or post. Therefore, when the visitor submits a message or post, I have to delete the HTML Tag, the following function is used to implement

Of course, you must first enable the reload_assist_ims on Function in CDN. in this way, no-cache is not used. this will convert no-cache to if-modified-since. so we write ProgramIt is better to control if-modified-since. note: In the cache system

PHP batch obtains the maximum checkbox Value 1. Name 2. Use When the plan is considered as part of an SQL command: if the field involved in the control is numeric If (! Empty ($ _ post ['checkbox']) {$ Expr = join (",", $ _ post ['checkbox'

PHP pre-defined constants: _ File __ The script file name being processed. If it is used in an included file, its value is the included file, not the file name. _ Line __ The current number of objects being processed. Php_version Indicates

CopyCode The Code is as follows: Class lightpage_template { VaR $ tpl_header;VaR $ tpl_footer;VaR $ tpl_parsing;VaR $ tpl_template;VaR $ tpl_dirname; VaR $ tpl_parse_string;VaR $ tpl_parse_array; VaR $ tpl_result; Function _ construct (){$

The complete Program You can modify the specific application. The example I provided here is very simple. In fact, many applications can be shown in this example. For example, hiding a real URL ...... Hey, let's analyze it by yourself. Create a

1. array_shift () removes the first unit of the array and returns the result. This is convenient for the first unit of the array to be processed independently. CopyCode The Code is as follows: $ Tmparray = array ("1", "2", "3", "4 "); $ Tmparray

// If the transfer parameter is directly assigned, garbled characters are generated! CopyCode The Code is as follows: http_request.open ("Post", URL, true ); Http_request.setrequestheader ('content-type', 'application/X-WWW-form-urlencoded