Php Return Array Key

PHP Tutorial Traversing two-dimensional array and multi-dimensional array code On the PHP array, let's talk about two-dimensional array and multi-dimensional traversal code, the following three examples to test the array traversal PHP code function. * / function arr_foreach ($ arr) {if (! is_array ($ arr)) {return false;} foreach ($ arr as $ key = & ...

php tutorial array write file (variable into php file) The following three php array write file code, there are two kinds is to save the array in php format, so you can run this file in php, there is a write Cached files, * / $ str = "<? Phprn $ list =". Var_export ($ list). "; Rn?>"; // write temp.inc.php $ fil ...

PHP addslashes processing $_post $_get Array function This is my one equivalent to an automatic version of the feature used to process the $ _post array useful <?php function add_slashes ($an _array) {foreach ($ An_array as $key => $value) {$new _array[$key ...

// Each line of the html form is converted to an array of csv format <? function get_tr_array ($ table) {// php tutorial Open source code $ table = preg_replace ('' '' 'td [^>] *?>' si ' , $ table); $ table = str_replace ("</ td>", '& q ...

Article provides a php tutorial to detect the file type (based on the file header information) Oh, he can according to the user's header file information to confirm the type of file. <? php / * By file name, get the file type * * @ author chengmo * * @ copyright cnblog.com/chengmo 2010-10-17 * @ version 0.1 * $ filename = "d: /1.png"; ec. ..

Usort (PHP3 >= 3.0.3, PHP4) usort---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Sorts the values of an array by user-defined functions: void Usort (array array, function cmp_function); Description: This function will be determined according to the user ...

Uksort (PHP3 >= 3.0.4, PHP4) uksort---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Sorts the indexed values of an array by user-defined functions: void Uksort (array array, function cmp_function); Description: This function depends on ...

The code is as follows://Get the current script URL function getcururl () {if (!empty ($_server["Request_uri"))) {$scriptName = $_server["Request_uri"]; Nowurl = $scriptName; else {$scriptName = $_s ...

Recent learning URL jump when new into three PHP encryption and decryption function is very good, looks like the discuz ... Use these encryption to decrypt the reason is because sometimes their own URL address was acquired after you want to break inside the value of the content you must know your key, no key, he should be broken for a while to know the content of your URL. Pack them into a file called fun.php bar <?php function Passport_encrypt ...

php tutorial + mysql tutorial database tutorial unlimited classification code This paragraph php infinite classification code more complete, including the database is mysql, add, delete, edit, move the function, while also providing the database sql table structure // connect to the database $ link = mysql_connect ('localhost', 'root', '') or die (mysql_error ()); mysql_select_db ('class', $ link) or d ...