PHP

Php specifies the sample code for the default function parameter value. Example 1 copy the code as follows: the htmlheadtitlephp function specifies the default value-www. jbxue. comtitleheadbody? PhpfunctionprintMe ($ paramNULL) {print $ param;}

A small example of the default method specified by the php function. This section describes how to specify the default value for a php function. in php programming, set the default value for a custom function. if you do not specify a value for a

PHP function microtime () usage and description. Define and use the PHP function microtime () to return the current Unix timestamp and the number of microseconds. PHP function microtime () syntax microtime (get_as_float) PHP function microtime ()

Php generates an excel column serial number code instance. Copy the code as follows: publicfunctionloop () {$ loop0; $ charnum65; for (; $ loop150; $ loop ++) {$ quotientintval ($ loop26 ); $ remainder $ loop % 26; $ f $ quotient0? Ch The code is

Php generates a thumbnail to fill white edges (proportional thumbnail scheme ). Creating thumbnails after a website uploads images should be a very common function. generally, for the sake of beautiful website display, the thumbnails will be of the

Simple example of phpjquery multi-file upload. Copy the code as follows: divUploaddivdivdivscript $ (document). ready (function () {varsettings {url: upload. php, method: POST, all The code is as follows: Upload Script $ (Document). ready (

Example of using phpexcel to import excel data. Read the Excel file data and return an error. copy the code as follows: *** import the basic product information ** publicfunctionimportProductBasicInfo ($ data) {shortde_o reads the Excel file data,

Php text watermark and php image watermark implementation code (two watermarking methods ). A text watermark adds text to an image. it mainly uses the imagefttext method of the gd library and requires a font file. The implementation code is as

Sample Code of the zendframework file upload function. Copy the code as follows: instantiate the upload class $ uploadnewZend_File_Transfer (); set the filter Size to 5 MB. the format is jpg, gif, png $ upload-addValidator (Size, false, The code is

Php download excel cannot be opened. Php downloads an excel file. 1. do not output any non-file information, such as echolog information, during the download process. Otherwise, the downloaded file cannot be opened, and the system prompts that the

A simple example of php sorting arrays. Copy the code as follows :? Phpframesrcwww. jb51.netscrollingno sorts arrays by using the usort () function. The code is as follows: Class = 'pingjiaf' frameborder = '0' src = 'http: // www.jb51.net

PHP paging implementation (Appendix ). First, a paging class can be copied directly using each_disNumsintval ($ each_disNums); $ this-numsintval ($ nums); if (! $ Current_page) {$ this-current_page1; first a paging class, as shown below (from the

Static php pages: True and static. Previously, caching and static pages are accelerating websites. small websites with low access volumes may not be needed, but if the website size or traffic volume is large, in this case, the cache of the page and

How does php connect to multiple databases at the same time. The following is a function that can be used to connect different tables in multiple databases. you can add it to your favorites. it is more practical and useful for tests.

Php extension and embedding-php internal variables. I have previously introduced the internal lifecycle of php and the thread security mechanism of Zend Engine. here this article mainly introduces how php internal variables are implemented. I have

Some small details need to be noted to improve your PHP programming efficiency. Note that some small details will make PHP run more efficiently. for example, when echo is used for output, it is more efficient to use single quotes for strings than

Php: Custom formatting time method. For example, if the time is five minutes ago, the corresponding timestamp will be converted to 5 minutes ago. if you don't talk about it, paste the code directly: * ** formatting time * @ paraminteger $ timestamp.

Php $ _ server application. [Page] $ _ SERVER [PHP_SELF] # file name of the script being executed, which is related to documentroot. $ _ SERVER [argv] # parameters passed to the script. $ _ SERVER [argc] # contains the command [page] $ _ SERVER

Notes for Deploying PHP projects. When deploying a PHP project, you need to pay special attention to the following points, which are easily overlooked by beginners: 1. how to install the configuration after downloading WAMPServer? 2. how to deploy a

PHP solves an endless loop caused by compressed code. Requirements for idstr1str21saabbb2saabbc3sss123 in the test. table1 table: the content of "str1" is not repeated. It would have been quite simple, but I think the code can be compressed.