PHP

PHP generates random strings in three ways. When using PHP to develop applications, especially website programs, you often need to generate random passwords. for example, if you register a user to generate a random password, you also need to

PHP developers are easy to ignore. It is found that many PHP programmers, especially those who have not studied for a long time, do not know the essence of PHP. How did Perl become famous in the business world? Is its powerful regular expression.

Programmer's home-programmer's Forum [advertising sponsorship quotation] (The latest update in 2016) programmer's home advertisement sponsorship cooperation description (this site is not making profits by advertising, and is developing

20 elements to improve PHP programming efficiency 【Abstract】 using single quotes instead of double quotes to include strings makes it faster. Because PHP will search for variables in strings enclosed by double quotation marks, but not in

IWebShop secondary development: create your own controller, model, and view Create a controllerPath:/controllers/demo. php Class Demo extends IController { Public $ layout = 'site '; Function init () {

PHP design mode: PHP design mode This article is a translation articleOriginal article address: Design Patterns in PHPIf you want to learn php shoes, refer to the author's programming language learning knowledge system key points listThis

PHP obtains the timestamp function of the first and last day of the specified month. /** * Obtain the timestamp of the first and last day of the specified month. * * @ Param int $ y year $ m month * @ Return

PHP converts text into images Header ("Content-type: image/png "); $ String = $ _ GET ['text']; $ Im = imagecreatefrompng ("images/button.png "); $ Color = imagecolorallocate ($ im, 255,255,255 );

PHP implements linux command tail PHP implements the linux command tail-fToday, I suddenly thought of a question that someone asked me before. how can I use PHP to implement the linux command tail-f? here I will analyze and implement it. It'

Ten extremely useful php code snippets in PHP Ten extremely useful php code snippets [PHP] code 1. Send SMS Call TextMagic API. // Include the TextMagic PHP lib Require ('textmagic-sms-api-php/TextMagicAPI.

Php obtains the first letter of a Chinese character Php get the first letter [PHP] code $ D = array ( Array (& quot; a & quot;,-20319 ), Array ("ai",-20317 ), Array ("an",-20304 ), Array (& quot; ang &

Intercepting Chinese strings in php 1. truncate the GB2312 Chinese string // Truncate a Chinese string Function mysubstr ($ str, $ start, $ len ){ $ Tmpstr = ""; $ Strlen = $ start + $ len;

PHP web Trojan scanner Header ('content-type: text/html; charset = gbk '); Set_time_limit (0); // prevent timeout /** * * Enhanced version of php directory scanning monitoring * * @ Version 1.0

PHP prevents external forms from being submitted [PHP] code $ Referer = isset ($ _ SERVER ['http _ referer'])? $ _ SERVER ['http _ referer']: NULL; $ Host = $ _ SERVER ['http _ host']; Echo 'submitted address:

Php encryption/decryption Class SysCrypt { Private $ crypt_key; // Constructor Public function _ construct ($ crypt_key ){ $ This-> crypt_key = $ crypt_key; }

Verify the validity of the ID card in PHP. /** * ID card * * @ Param string $ id * @ Return boolean */ Function is_idcard ($ id) { $ Id = strtoupper ($ id ); $ Regx = "/(^ \ d {15} $) |

PHP retrieves all links on the specified URl page // Obtain all links on the specified URL page Function get_url_href ($ url ){ $ Html = file_get_contents ($ url ); $ Dom = new DOMDocument (); @ $

Web proxy implemented by PHP If (! Isset ($ _ REQUEST ["url"]) exit; $ U = $ _ REQUEST ["url"]; If (substr ($ u,-0, 7 )! = "Http: //") exit; Echo file_get_contents ($ u ); /*

Convert a pdf file into an image using imagebrick $ Export _file = './pdf/demoting '; $ Save_to = './jpg/demo.jpg'; // make sure that apache has permissions to write in this folder! (Common problem) // Execute

PHP parses XML data $ Xml_string =" Ben A H2o K "; // Load the xml string using