PHP

The code is as follows Copy Code Class Upimages {var $annexfolder = "Upload";//Attachment storage point, default: Annexvar $smallfolder = "small";//thumbnail store path, note: Must be a subdirectory under the $annexfolder, default is:

PHP function serialize (): The function is to serialize the data and return a stored string that facilitates storing or passing PHP values without losing its type and structure. So we often see such a structure in the CMS database. In general, we

For example, the following settings are included in the php.ini file: The code is as follows Copy Code Register_globals = OffPost_max_size = 8M In the PHP section we can get this: The code is as

These two functions implement the overload of the function!! 1. Default parameters From this above can be seen, if a function inside, not the necessary parameters, add the corresponding default value, you can complete the corresponding function.

Example XML file: The code is as follows Copy Code GeorgeJohnReminderdon ' t forget the meeting!PHP Code:if (file_exists (' Test.xml ')){$xml = simplexml_load_file (' Test.xml ');Var_dump ($xml);}Else{Exit (' Error. ');}

PHP Imagecreatetruecolor Image croppingAny image cropped to a fixed size, the image is not deformed, the blank stretch fill, the image is always paved, do not leave blank, used bcastr friends should know, BCASTR is to ensure that the image call is

PHP global Variable Global Examples of "global" keywords: The following are the referenced contents: The following are the referenced contents: $my _var = ' Hello world '; Test_global (); function Test_global () { Now in the local

Session_Start (); $ENABLEGD = 1;$funcs = Array (' Imagecreatetruecolor ', ' imagecolorallocate ', ' Imagefill ', ' imagestring ', ' imageline ', ' imagerotate ', ' Imagedestroy ', ' imagecolorallocatealpha ', ' imageellipse ', ' imagepng ');foreach

Warning:cannot Add header information-headers already sent in When output_buffering is enabled, PHP does not send HTTP headers when the script sends output. Instead, it enters the output through the pipeline (pipe) into the dynamically incremented

PHP isset () and unset function usage and difference is very obvious, isset is to determine whether the variable is in existence, and unset is the elimination of variables, let's take a look at implementation. $a = 1;echo isset ($a)? ' China Web

PHP reads and writes files, just like ASP in the use of FSO for file read and write operations. Of course, in ASP, the FSO only reads and writes to files on the server disk that runs the current program (obviously requires a physical path), but PHP

OK now we're going to experience webservice The code is as follows Copy Code Server-Side serversoap.php $soap = new SoapServer (Null,array (' uri ' => ' http://192.168.1.179/');//this URI is your SERVER

Let's introduce the format first. The code is as follows Copy Code $Jmail = new COM ("Jmail.message"); Instantiate a JMail object$Jmail->silent=true; When set to True JMail does not prompt for error only returns true and

The following example converts gb2312 to a uft-8 formThe iconv function after php4.3.1 is very useful, but you only need to write a conversion function from uft8 to unicode.Check the table (gb2312.txt).$ Text = "e-book library ";Preg_match_all ("/[x8

The code is as follows:Copy code //Date_default_timezone_set ('prc ');// Obtain access_token$ Data = "app_id = x & app_secret = x & grant_type = client_credentials ";$ Ch = curl_init ("https://oauth.api.189.cn/emp/oauth2/v2/access_token

The first two days of moving to Alibaba Cloud suffered a headache... Low host configuration, high demand for Nima wp...It's just a few times before F5. Why are you so embarrassed? Why are there so many bad host configurations that have been used

A blogger writes an article. The blog background usually provides the article title and truncated article part on the search page or list page as the entrance for further reading.Function: mb_substr ($ str, $ start, $ length, $ encoding)$ Str:

Php requires that the form elements with the same name be named in the form of arrays and value is assigned. Otherwise, it cannot be broken down.Example 1: Use foreach to traverse checkbox The code is as follows:Copy code After submission, use

When collecting large volumes of data, the "self-protection" of the other server is often triggered, and access is restricted if the request is too frequent. In this case, the access can be restored after a long period of time (ranging from 10

Syntax: mixed preg_replace (mixed pattern, mixed replacement, mixed subject );Returned value: Hybrid DataFunction type: data processingDescription: This function uses the pattern rule to parse and compare the string subject. The string to be