php code

This article mainly introduces whether the PHP input is a pure digital, English, Chinese character method, involving PHP mb_strlen and strlen functions such as the use of skills, with a certain reference value, the need for friends can refer to the -

  This specification by Easychen for reference to the Sina Network application development of the "C + + Development Code" and the interactive technology department "PHP4 Development Code", as well as phpdocument specifications of the development

When I recently solved the swoole server problem with my colleagues, I found that 1 worker processes were in the state of R and the CPU was very time-consuming. The initial conclusion is that there is a dead loop in the PHP code. Here is a piece of

PHP has very rich built-in functions, many we have used, but there are still a lot of functions we are not familiar with, but they are very useful. In this article, I've listed some little-known PHP functions that will brighten your eyes.

This article mainly introduces the Linux system environment, PHP installation mbstring expansion of the two methods, we refer to the use of the bar1. The execution code is as follows: Yum install php-mbstring 2. modifying php.ini (This step is

So we can only find a way to get webserver to call this command, usually want to improve the permissions only Su and sudo these two commands, so I put the idea on this, but the results call the two commands are still not, search on the internet to

function Introduction Cron is a timed distributed timed task service that ACE provides to developers, and can perform related tasks on a regular basis as required. For example, back.php periodically queries the database for specific messages to be

To use PHP to protect another PHP process (the Apache module is running, and nginx, etc.) A.php to guard b.php. Gets the ID of the current process through the getmypid () function in b.php, writes the ID to the C.pid file, and deletes or clears

Sometimes we need to get the title and content of the page, is a collection function, here to share a simple, convenient to need friends code as follows: function Getpagecontent ($url) { //$url = ' http://www.ttphp.com; $pageinfo = array (

1. Use embedded HTML code, not PHP's echo statement. Because PHP is an embedded web programming language, you can embed HTML code and PHP code into each other. But many programmers are concerned about the excessive use of "" embedded PHP code in

This article mainly introduces the path problem and Set_include_path in PHP, need friends can refer to the followingfirst:php Common Path Current file path: d:phpwebphp_exampleinclude_path.php code as follows: 1.dirname (__file__); Output

Are you looking for a job in PHP development and looking for some questions and answers about PHP? This article has shared some of the most frequently asked 11 PHP interview questions, as well as the corresponding regular answers, each company has

This article mainly introduces the PHP blocking page back method, so that the back of the page does not exist to prevent the page back, how to make the page does not exist, the temporary generated page can be, the following examples illustrate this

This article mainly introduces Smarty to obtain the current URL of the method, the need for friends can refer to thehttp://{$smarty. server.server_name}/{$smarty. Server.request_uri} Comment: The code is as follows: {$smarty. server.server_name}//:

How do you find out what caused the CPU to soar with the CPU approaching 100%? My idea is to first find the line of code that the process is executing to determine the code snippet that might be problematic. Then, carefully analyze the problematic

The PHP built-in function memory_get_usage () returns the amount of memory currently allocated to the PHP script in bytes (byte). In the actual development of the web, these functions are very useful, and we can use it to debug PHP code performance.

First, the question: Today header ("Location: $url"), the previous jump can always be, today is not moving, just output results, the past to confirm the check, $url the value of the correct, so in front of the echo $url; The result is an invalid

The slow existence of pages is sometimes unwanted, and we can prevent browsers from caching pages. In PHP, you can easily use the following statement to achieve the prohibition of page caching, but more difficult to remember the special collation,

  Phper will see a lot of strange PHP syntax, such as: Empty for a part of Phper have not seen these things at all? Are those blogging developers doing their own scripting language for PHP? not also, in fact these are all PHP syntax, but not

  This article mainly introduces the little-known but very useful 10 functions in PHP, you need friends can refer to the following PHP has very rich built-in functions, many we have used, but there are still a lot of functions we are not familiar