PHP Tutorials

We all know PHP GD library can be easily created from the URL of an image, GD has Imagecreatefromjpeg (), Imagecreatefrompng () .... such as function can sometimes read from the URL of the cut BMP image and hateful is GD2 in the cut but no

So I wrote a few lines of code to achieve the above requirements Execution Result: Copy CodeThe code is as follows: $conn =mysql_connect (' localhost ', ' root ', '); mysql_select_db (' database ', $conn); $sql = "Select Information_schema.

The following gives the source code of the two versions of the function and the simple test, and finally I will give a more practical function of the string interception. It is important to note that the string interception problem discussed here is

Watch: 1, file_get_contents timeout control. 2, page encoding judgment. 3. The keyboard enter key to capture the response. 4, keyboard event compatible processing. Event = Event | | window.event; 5, XMLHttpRequest and jQuery two kinds of realization

one, not using the proxy server situation: REMOTE_ADDR = Your IP Http_via = no value or no display Http_x_forwarded_for = no value or no display second, the use of transparent proxy server situation: Transparent Proxies REMOTE_ADDR = Last Proxy

Copy CodeThe code is as follows: Class Bar { Public Function test () { $this->testprivate (); $this->testpublic (); } Public Function Testpublic () { echo "bar::testpublic\n"; } Private Function Testprivate () { echo "bar::testprivate\n"; } } Class

Copy CodeThe code is as follows: Header ("Content-type:text/xml;charset=utf-8"); $AAA = 1.0.0.0 d3e59f1d78f344c682bef3517a4b667f Rong . txt Www

I wrote a PHP result set into a JSON-formatted function that can be called directly: Copy CodeThe code is as follows: function Recordtojson ($recordset) { $jstr = ' ['; while ($rs = $recordset->fetch ()) { $nick = Iconv ("GBK", ' Utf-8 ', $rs ['

The first type of code: less CodeThrough regular expression to obtain the real address of the Baidu network disk file, to achieve the effect of straight chain Save the following code as downbd.php Copy CodeThe code is as follows: $canshu

Copy CodeThe code is as follows: $count = 5; Start if ($count echo "Put Password:"; $handle = fopen ("Php://stdin", "R"); $line = fgets ($handle); if (Trim ($line)! = ' 123456 ') { $count--; if (! $count) goto error; Goto start; } Goto

Copy CodeThe code is as follows: Header ("content-type:text/html; Charset=utf-8 "); Define (' App_root ', str_replace (' \ \ ', '/', dirname (__file__))); $test = ' Here is a Chinese test code! '; function Get_tags_arr ($title) { Require (app_root.

One, array processing function: The feeling of intoxication: array processing functions are very common in PHP development, and it is important to learn good array processing functions. Array processing functions are involved in practical

1. Factory mode The main function is to reduce the coupling degree. Copy CodeThe code is as follows: Abstract class operation{ Abstract public Function GetValue ($num 1, $num 2); Public Function getAttr () { return 1; } } Class Add extends

3 ways to generate XML files in PHP compare speed There are 3 ways to write directly; use DOMDocument; use simplexml; In fact, there is a 4th kind: use XmlWriter, but I have not used, also too lazy to try. The main reason is to look at these 3 ways,

Starting with version 5.2, PHP native provides the Json_encode () and Json_decode () functions, which are used for encoding, which is used for decoding. First, Json_encode ()This function is primarily used to convert arrays and objects into JSON

Factory mode Single-element mode Observer pattern Command chain mode Policy mode Copy CodeThe code is as follows: class People { Private $name = '; Private $user = null; Private Function __constract ($name) {/* Here Private definition Auxiliary

Solution One (thinkphp officially provided, I have not tested): upgrade to ThinkPHP3.1 the latest UploadFile.class.php (https://github.com/liu21st/ extend/tree/master/extend/library/org/net), replace the original UploadFile.class.php after

In this paper, we will explore two specific implementation methods, and do a simple performance comparison of different methods. 1. Classic curl concurrency mechanism and its existing problemsThe classic Curl implementation mechanism is easy to

But how do you traverse the two-tree array generated by this method? Here's my approach: Copy CodeThe code is as follows: function Pretree ($cat) { foreach ($cat as $c) { ?> "> : "> : if (Isset ($s ['

Nonsense not much to say directly on the code. PHP for Smarty Copy CodeThe code is as follows: * Name:time_ago * Purpose: The timestamp is designed to be a representation of the current time * Within 1 minutes by seconds * Display in minutes within