PHP Tutorials

Copy the Code code as follows: function List_files ($dir){if (Is_dir ($dir)){if ($handle = Opendir ($dir)){while (($file = Readdir ($handle))!== false){if ($file! = "." && $file! = ":" && $file! = "Thumbs.db"){Echo '. $file. ''." \ n ";}}Closedir (

Copy the Code code as follows: /****** @dir-directory to destroy* @virtual [optional]-whether a virtual directory*/function Destroydir ($dir, $virtual = False){$ds = Directory_separator;$dir = $virtual? Realpath ($dir): $dir;$dir = substr ($dir,-1)

When you see the error prompt Syntax error, unexpected t_encapsed_and_whitespace, expecting t_string or t_variable or t_num_string This hint is an issue that prompts for variable usage. And what I came up with was that the array was used in the

The main difference is that if the same key name appears in two or more arrays, the key name is a string or a number, you need to be aware 1) When the key name is a number, array_merge () will not overwrite the original value, but the + merge array

Copy the Code code as follows: $r = new Reflectionclass ($this);Zend_debug::d UMP ($r->getconstants (), "Constants");Zend_debug::d UMP ($r->getproperties (), "Properties");Zend_debug::d UMP ($r->getmethods (), "Methods"); The above introduces the

Configure the php.ini file (for example, 500M files of the following size) Look for the following options and modify File_uploads = on; open File upload option upload_max_filesize = 500M; upload file limit If you want to upload larger files, only

CakePHP is a system developed by the United States team, we are looking for cakephp data to Google search for accurate information! Or go to the official website to check! Official site is www.cakephp.org! First of all, let's talk about why we use

1. To optimize the query, avoid full-table scanning as far as possible, and first consider establishing an index on the columns involved in the Where and order by. 2. Avoid null-valued fields in the WHERE clause, which will cause the engine to

Copy CodeThe code is as follows: //-------------------------------------File Description: Mathematical Operation Verification CodeFile Author: Jesse LeeLast update: 2008-09-07//-------------------------------------Session_Start ();$sessionvar = '

Copy CodeThe code is as follows: Calculate ID Check code, according to national standard GB 11643-1999function Idcard_verify_number ($idcard _base) {if (strlen ($idcard _base)! =) {return false;}Weighting factor$factor = Array (7, 9, 10, 5, 8, 4,

Copy the Code code as follows: XML-to-array, including the root keyfunction Xml_to_array ($xml){$reg = "/]*> ([\\x00-\\xff]*) /";if (Preg_match_all ($reg, $xml, $matches)){$count = count ($matches [0]);for ($i = 0; $i {$subxml = $matches

Dump () takes an array of arrays in array format, which is useful for debugging function dump ($vars, $label = ", $return = False) { if (Ini_get (' html_errors ')) { $content = " $content. = "{$label}:$content. = "\ n\ n "; } else { $content =

Example 5-8. date_format[Date format] index.php: Copy the Code code as follows: $smarty = new Smarty;$smarty->assign (' Yesterday ', Strtotime ('-1 day '));$smarty->display (' Index.tpl ');INDEX.TPL:{$smarty. Now|date_format}{$smarty.

Numeric index array: BOOL Usort (array & $array, callback $cmp _function) The Usort function sorts the specified array (parameter 1) by the specified method (parameter 2). When we want to sort multidimensional arrays, each element of a

Core code starttime=this->getmicrotime ();} function display ()// Displays the time the page was executed {this->stoptime=this->getmicrotime (); this->spendtime=this->stoptime-this->starttime; Return round (this->spendtime,10); }}/* Call Method

Copy CodeThe code is as follows: Global $PHP _self;echo $PHP _self;$t 1=$_post[' textfield1 '];$t 2=$_post[' textfield2 '];$t 3=$_post[' textfield3 '];$t 4=$_post[' Textfield4 '];Chinese characters--Location codeif ($t 1!= "") {$t 2= sprintf ("%

Copy CodeThe code is as follows: Get the current script URLfunction Get_php_url (){if (!empty ($_server["Request_uri")){$scriptName = $_server["Request_uri"];$nowurl = $scriptName;}Else{$scriptName = $_server["Php_self"];if (Empty

Note the escape character \ 's use \\,\ ", \$ Note Using 8-or 16-character notation \xf6 echo "H\xf6me";//need to see if this type of text encoding is supported ---------------------The result of the output---------------------------------------- H

Implementation of friendly URLs (recommended for vomiting) You often see other stations of the URL is this it? Http://www.xxx.com/module/show/action/list/page/7 Or Http://xx.com/module/show/action/show/id/8.shtml with a name

Hashtable is also known as a hash table in the usual data structure textbook. The basic principle is simple (if you are unfamiliar with it, please refer to a random data structure textbook or search online), but PHP implementation has its unique