PHP Tutorials

Linux server load is very high, the reason seems to be too much PHP process, and has been maintained more than 400, as shown, php-cgi process number has been no drop, no user access to the site is so much, each process is about to occupy memory 150-2

What does the following code mean, please? Is it a way to take objects directly? throw new Exception\runtimeexception (' Config is read Only ') is not all PHP can through \ Direct object method, which version improved, who can provide the

JQ gets. Post-prevnext the last ID (215, 283) of the URL of the first/second p, and defines the corresponding PHP function equal to this ID, $prev _post_id and $next_post_id Reply content: JQ gets.

Implementation method: download.php $outputFileName = "Test.xls"; Header ("Content-type:application/force-download"); Header ("content-type:application/ Octet-stream "); Header (" Content-type:application/download "); Header ('

Before the header or session_start () and so on can not have output bar, otherwise will be reported warning level error, but why not reported. Version: 5.3.5 With the Wamp Jumped away, changed to Session_Start () did not reportError level php.

Output a CSV file in PHP foreach ($old [' lines '] as $line) { fputcsv ($new, $line);} For example, the content of $line is: Ca,12,y Mu,13,y Mu,12,n The data I want: "CA", "X", "Y" "MU", "X", "Y" "MU", "a", "N" I'm doing

A website, the front page needs to use the cache! I'm thinking now, is the fragment cache, or is the entire page cached, or are there two simultaneous? Fragment caching is, for example, the latest news from my sidebar, I cache it in a file, and use

Get previous post: Previous_post_link (), Get Next: Next_post_link () Parameters:1, the current article under the same classification under the context of the article2, the next article title, links, featured images If only parameter 1, the official

1. Just start contacting MongoDB and then query to PHP driver does not support HTTP RANGE headers, so it is not possible to support breakpoint continuation, do not know how to query down, do not know the recent MongoDB PHP client has not supported

Using the Parent:: Method () in a subclass accesses a method in the parents class, but:: is used to access static things, if this method is not static, it is not self-contradictory, why is it possible to access? Reply content: Using the Parent::

Younger brother did not work on the big website, but want to accumulate some big data, high concurrency website practical experience, in addition to change work, there are other ways of learning? Who's the big Brother pointing out? Reply content:

There's a hundreds of thousands of-line text file with some information on the line. Is there any tool that can send a POST request in bulk for a URL in a line of text files? Please specify Reply content: There's a hundreds of thousands of-line

I installed php5.4.10 + Nginx on Linode VPS and then used php-cgi But I found that the process of php-cgi often inexplicable hang out, in the log can not see why, I can only write a shell script no 10mins with PS auxww Check once, hang the

How can you improve query efficiency by identifying the line that starts with a unique string a from a file. The way I am now is stupid: Store file contents in an array by line Use regular to go to each element in the match array

PHP accesses shared files on another computer (Windows7) on the local area network: file_get_contents (' \\\\192.168.1.99\\log$\\log.txt '), prompting for access denied, but can be accessed directly in the resource manager. But another computer can

Symptoms There are two files of set_session.php and read_session.php. Access the set_session.php and plant the session data. Then access read_session.php, found session data read normal. It is normal whether to refresh read_sesion.php after 5

The first header (' Content-type:application/json '); another header (' Content-type:text/json '); What are the differences between the two types of use? Reply content: The first header (' Content-type:application/json '); another header ('

Under what circumstances does PHP need to use the queue? I do not understand, I hope to have used the people can give some guidance Reply content: Under what circumstances does PHP need to use the queue? I do not understand, I hope to have used

This is the data extracted from some databases: user|a:11:{s:3: "UID"; s:1: "8"; s:5: "Email" I want to convert it to an array, how to achieve it? Reply content: This is the data extracted from some databases: user|a:11:{s:3: "UID"; s:1: "8"; s:

When an article is saved in HTML form The output, when encountered, terminates the output, and only outputs the digest. When the article is saved in markdown form Using Python markdown to save the user's original input data, How should