PHP Tutorials

I would like to ask you to read and write the PHP separation of ideas, synchronization problems, Is there a simple way (not even for any PHP code modification) to implement or similar functionality? (I am lazy) Reply content: I would like to

Visit 127.0.0.1/smarty/test/test.php A blank there's nothing there Chrome Console Report Server 500 But there's no such error in Chrome's stealth version. Don't know what reason, little white help. The test.php code is as follows

Two paragraphs Chinese and Japan, from the naked eye is not the same position end, but using the Mb_strlen function to obtain the same length, the test code is as follows: $str_0 = '[银光字幕组][哆啦A梦新番Doraemon][006][GB][2005.05.20]秘密间谍大作战&Hello！宇';$str_1

Premise: the "Laravel4" server-side provides interfaces are all asynchronous calls, the data table has a unique key Scenario: In concurrent request processing, the MySQL database will appear "Integrity constraint violation:1062 Duplicate entry",

Website to do an activity, the user can submit information in the event (no login), how to restrict users to repeat the submission? Limit each computer to submit only one message at a time Reply content: Website to do an activity, the user can

I bought a cloud host in the space quotient. is CentOS 6.3 64 bit. How do I install these environments? I mean. Is it connected to a direct installation, or will it be uploaded via software (Xshell) to the host and then installed? It is best to

If Ngnix hang up, like 502 can automatically start nginx such a startup script PHP how to implement Reply content: If Ngnix hang up, like 502 can automatically start nginx such a startup script PHP how to implement Nginx 502 happens

Title Description: This is the core code I wrote, the engine is MyISAM, do not know there are no other more optimized methods (regardless of the hardware environment). Reply content: Title Description: This is the core code I wrote, the engine

Imitate the user writes a singleton pattern realization database connection, in the constructor, the successful instantiation, and the instantiation mysqli assigns the value to the $_instance But in the following function getinstance, the value

Here is an SQL statement that I used to calculate the distance from MySQL, which is too complex and I want to use MySQL stored procedures or storage functions to simplify $select = 't.*,(ACOS(SIN((' . $this->latitude . '* 3.1415) / 180 )

Invalid library (maybe not a PHP library) ' zip.so ' to Unknown on line 0 Invalid library (maybe not a PHP library) ' curl.so ' to Unknown on line 0 Reply content: Invalid library (maybe not a PHP library) ' zip.so ' to Unknown on line 0Invalid

The queue implementation seems simple, I would like to ask, in the case of sending a large number of messages, into the queue and eliminate the queue, certainly not in the unified time to do it, For example, I call inqueue.php into the queue to send

Each time PHP is exported to CSV, the end of the number becomes e+ a number. $s = 1526564646463333565222;echo $s;//1.5265646464633E+21 How can php convert a floating-point string back to its original value? function getTrueValue($str){

addServer('不存在的别名', 11211);$m->set('int', 99);$m->set('string', 'a simple string');$m->set('array', array(11, 12));/* 'object'这个key将在5分钟后过期 */$m->set('object', new stdclass, time() + 300);var_dump($m->get('int'));var_dump($m->get('string'));var_dump(

The implementation of long polling is XMLHttpRequest recursion, once the page joins the polling method, other places of the AJAX request is unresponsive, such as scrolling to the bottom of the page to automatically load new articles. Checked the

Can PHP limit function execution time so that the following pseudo-code functions are implemented? foreach ($jobs as $job) { try { run($job); } catch (TimeoutException $e) { printf("Timeout: %s\n", $e->getMessage());

Title, ask the students to enthusiastically answer, the best answer can be accompanied by the example code or data description Add: I'm talking about the swoole extension, not swoole-framework. This issue has been turned off because of an issue

Onethink a common/conf/config.php file is used to hold the database information after the installation is complete But in the user module under the Conf also has a config.php file to save the database information, why design, do not set these two

I always thought that the PHP session was stored in a standard serialize format, and then I tried unserialize to use it to find out that it was another serialization, just like the following login_ok|b:1;nome|s:4:"sica";inteiro|i:34; So the

I'm going to just write a PDO connection, I want to ask you about the framework database model, there are those good suggestions, see a lot of frameworks have a single case and then the method is static method! Want to ask Daniel how to write!