PHP

PHP 5.3 version, using pthreads PHP extensions, you can make PHP really support multithreading. Multithreading can greatly shorten program execution time in the process of repetitive cyclic tasks. PHP Extended Download:

PHP is easy to get to the mtime of a folder, you can use the Filemtime function. But the Filemtime for the folder is due to Linux. When a file is modified, it only affects his current folder Mtime changes. Does not continue to affect folders at the

First look at an official explanation (exception handling), as above, and the last sentence explaining the explanation of the exception to the PHP error associated with the solution. What are the pros and cons of the exception and the PHP

Cases The code is as follows Copy Code $data = Array (Array (' Row_1_col_1 ', ' row_1_col_2 ', ' row_1_col_3 '),Array (' Row_2_col_1 ', ' row_2_col_2 ', ' row_2_col_3 '),Array (' Row_3_col_1 ', ' row_3_col_2 ', '

Problem description fopen (), file_get_contents (), getimagesize () and so on are not normal access to the content of the network, the specific performance of any parameter is a URL, all return null value If Windows can be found Allow_url_fopen

Profile Location:/etc/httpd/conf/httpd.confPage Data location:/var/www/htmlPage Execution Location:/var/www/cgi-binWeb page Related record directory:/var/log/httpd/ Installing software Yum-y Install httpd httpd-devel httpd-manualYum-y Install php-5

        Http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd ""         ajax File upload download by http://www.111cn.net PHP code function _resize ($_w, $max _w, $_h, $max _h) {Global $new _w, $new _h;if ($_w> $max _w | | $_h>

Untitled Document Look at a class of PHP arrays that generate JSON. Class JSON {var $jsonarr = array ();var $json = ""; /* Recursive generation json*/function Jsonencode ($jsonarr) {$this->json = Empty ($this->json)? ' {':

I. Small orderHTML is easy to learn and common. Common PHP programs are embedded in the HTML language. However, as WEB applications become more and more widely used, the weakness of HTML becomes more and more obvious. The emergence of XML makes up

Previously, PHP curl extensions were used to simulate post requests, and PHP socket can also be used. I recently reviewed the relevant materials and found that it was not so advanced, but I have never fully understood the principles and nature of

1. Meaning of the single-state design model:The main function of the single-state mode is to ensure that only one instance object exists in a class in the object-oriented programming design. As the object creation mode, the singleton mode ensures

Php regular format IP address, hide the last one.Example The code is as follows:Copy code // Hide the last digitReturn preg_replace ('/(\ d + )\. (\ d + )\. (\ d + )\. (\ d +)/is ', "$1. $2. $3. * ", $ ip ); // The last number of hidden IP

Let's take a look at how to get the first letter of a single Chinese character. See the following function. It supports GBK and UTF8 encoding: The code is as follows:Copy code Function getfirstchar ($ s0 ){$ Fchar = ord ($ s0 {0 });If ($ fchar> =

The unlink () function deletes a file.If the call succeeds, true is returned. If the call fails, false is returned.SyntaxUnlink (filename, context)Parameter descriptionFilename is required. Specifies the file to be deleted.Context is optional.

Php Tutorial float data application details1 float round (float $ val [, int $ precision]) returns the result of rounding val according to the specified precision (number of digits after decimal point. Precision can also be negative or zero (default

In the php Tutorial, the checkbox value is obtained and displayed. Multiple values are obtained.Simplest checkbox value code checkbox demo checkbox demo demonstrates checkboxes fries soda shake ketchup checkbox demo demonstrates reading

1. define the constant define ("constant", "hello world .");Constants can only contain scalar data (boolean, integer, float, and string ).When calling a constant, you only need to obtain the constant value with a simple name, instead of adding the "$

Php Tutorial verification request page sourceIf ($ _ server ['http _ x_requested_with '] = 'xmlhttprequest '){Echo 'Ajax ';} Else {Echo 'normal ';}When jquery implements ajax internally, the ID has been added.In jquery source code:Xhr.

*/Function makedirectory ($ directoryname ){$ Directoryname = str_replace ("", "/", $ directoryname );$ Dirnames = explode ('/', $ directoryname );$ Total = count ($ dirnames );$ Temp = '';For ($ I = 0; $ I $ Temp. = $ dirnames [$ I]. '/';If (!

$ Date1 = "2007-10-25 ";$ Date2 = time ();Echo "$ date1 compare to $ date2 ";// 2007-10-25 compare to 1189772448$ Date1 = "2007-10-25 ";$ Date2 = date ("y-m-d", time ());Echo "$ date1 compare to $ date2 ";/*You don't know how big the difference