9 ways to get file suffixes in PHP _php tips

This article for you to share the 9 kinds of PHP to obtain file suffixes for your reference, the details are as follows The above is the entire content of this article, I hope to help you learn.

PHP ID number verification function _php Tips

Copy Code code as follows: function Validation_filter_id_card ($id _card) { if (strlen ($id _card) = = 18) { Return Idcard_checksum18 ($id _card); } ElseIf ((strlen ($id _card) = = 15)) { $id _card = idcard_15to18 ($id _card); Return

PHP filtering XSS attack function _php instance

The following function can be used to filter user input to ensure that the input is XSS safe. Specific how to filter, you can see inside the function, there are comments. Copy Code code as follows: function Removexss ($val) { Remove all

PHP _php instance of object-oriented value single case mode

Single case mode (responsibility mode): Simply put, an object (before learning design patterns requires a better understanding of object-oriented thinking) is responsible for only one particular task; single example class: 1, constructors need to be

PHP Cryptographic Extension Library MCrypt installation and instance _php instance

MCrypt Simple IntroductionPHP programmers in writing code programs, in addition to ensure the high performance of the code, but also is very important, that is, the security of the program. In addition to the several encryption functions, PHP has a

PHP uses mb_check_encoding to check whether the string is valid in the specified encoding _php instance

ord

mb_check_encoding-Check if the string is valid in the specified encoding PHP Version requirements: (PHP 4 >= 4.4.3, PHP 5 >= 5.1.3) Description: BOOL Mb_check_encoding ([String $var = NULL [, String $encoding = Mb_internal_encoding ()]]) Checks

PDO transaction Processing Analysis _php techniques in PHP

This article analyzes the transaction processing of PDO in PHP. Share to everyone for your reference, specific as follows: Transaction processing has four characteristics: atomicity, consistency, independence, persistence. Not all databases

How to download files securely in PHP _php tips

The example in this article describes the way PHP downloads files securely. Share to everyone for your reference, specific as follows: 0)) {$file _data = fread ($fp, $buffer); $file _count + + $buffer; echo $file _data; } fclose ($FP);

PHP jquery multiple file Upload Simple instance _php instance

Copy Code code as follows: Upload upload.php Copy Code code as follows: If directory doesnot exists create it. $output _dir = ". /upload "; if (Isset ($_files["myfile"])) { $ret = Array (); $error

A simple example of a _php sequence of two-dimensional arrays in PHP

This article introduces the use of the Array_multisort function in PHP for two-dimensional array ordering examples, there is a need for friends, refer to the bar. Following an article: Php two-dimensional array sorting custom function, today, we

PHP array_map array_multisort Efficient handling of multidimensional array sorting _php techniques

To sort multidimensional arrays, the common practice is to 1 Gets the data that is sorted and puts it into an array $arrsort. Where the key index is the index of the array to be sorted, guaranteed uniqueness 2 sort the $arrsort by using sort

PHP to write a simple page jump function to implement code _php instance

Not much to say, directly on the code Copy Code code as follows: Linked database ' query mysql_connect (' localhost ', ' username ', ' userpwd ') or Die ("Database link Failed". mysql_error ()); mysql_select_db (' Library name ');

PHP Array function array_multisort () Usage example Analysis _php technique

This paper analyzes the use of PHP array function array_multisort (). Share to everyone for your reference, specific as follows: Sometimes we need to sort the values of a key in a two-dimensional array, and here's the question. We can use the Array_

PHP to get all the links to the Web page method (with demo source download) _php Tips

This example describes how PHP gets all the connections to a Web page. Share to everyone for your reference, specific as follows: function gethtml ($url, $charset = ' utf-8 ') {$curl = Curl_init (); curl_setopt ($curl, Curlopt_httpheader,

CentOS to build PHP environment and WordPress Blog Program Full Process summary _php example

Environment Server operating system: CentOS 7.0 Blog Deployment server: Apache Background language: PHP Database: MYSQL Front End frame: WordPress Steps First, install Apache It's easy to install Apache simply by typing the

PHP Export Code instance of Word format Data _php instance

The content of this section:A class of PHP export documents Example: Copy Code code as follows: /*** Generate classes for Word documents**/Class Word{function Start (){Ob_start ();Echo ' xmlns:w= "Urn:schemas-microsoft-com:office:word"

A common usage code example for a wave of curl libraries in PHP _php instance

PHP Curl is a good feature, the following collection of a few pieces of good clips 0. Basic examplesGeneral Process: $to _url=$_get[' url ']; Print_r ($_get); if (substr ($to _url,0,1) = = '/') { $to _url= "http://www.amazon.com". $to _url;

Ways to create Word documents in PHP (Platform-independent) _php tips

This example describes how to create a Word document in PHP. Share to everyone for your reference, specific as follows: about using PHP to generate word, found a lot of information on the Internet, there are calls to COM components generated by the

PHP Connection database to achieve registration page additions and deletions to check the operation _php skills

This example for you to share the PHP connection to the database to achieve the registration page additions and deletions to check the operation of the method for your reference, the specific content as follows 1. Connecting to the database

How PHP dynamically generates random pictures of a specified size _php tips

The example in this article describes how PHP dynamically generates a random picture of a given size. Share to everyone for your reference, specific as follows: $image _width) {for ($i = $start; $i More interested in PHP related content

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