PHP

My basic environment is nginx1.6.2+php5.3.To do a line-by-row output, the use of Ob_flush to try the N method does not work, such as the following code: Ob_start ();for (;;){echo " ...";Ob_flush ();Flush ();Sleep (1);}?> Google a lot of writing is

A simple php array function, before this need has not been known to have such a function, wipe the sweat ... PHP Array Reverse output code The code is as follows Copy Code foreach (Array_reverse ($array) as $key =>

Let's take a look at a question first: $a = 1;$b = $a + $a + +; Results: $a =2, $b =3This problem is not difficult, obviously in PHP + + priority is higher than +, so first execute $a + +, when the $a value is 2Look at one more question: $a = 1

Abstract classes and interfaces (interface) are object-oriented concepts that are very similar in that they define the methods to be implemented, but there are different usage scenarios, and what is the difference between the abstract classes and

PHP variable naming rules 1. The variable begins with the dollar sign $. such as $name, $age. 2, dollar sign $ The first character that follows cannot be a number, only an underscore _ or a letter. Variables such as $1_1 are wrong. 3, in addition

PHP Folder action function String basename (String path [, string suffix]) Gives a string containing a full path to a file, which returns the base file name. If the filename ends with suffix, that part will also be removed. In Windows, the slash (

Today, my colleague said that PHP lacks a calendar module on the server, go up a check really did not, well, can only recompile the calendar this module to add in, the function of this module is Calendar expansion function, due to the development of

PHP Array_slice () Function Example Tutorial Definitions and usage The Array_slice () function returns the selected part of the array. Grammar Array_slice (Array,start,length,preserve) parameter

Strlen () PHP strlen () function Definitions and usage The strlen () function returns the length of the string. Grammar Strlen (String) Parameters: StringDescription: Required. Specify the string to check. The code is as follows

The code is as follows Copy Code Class validation{function Check_email ($value) {//check a email addressreturn (BOOL) Preg_match ('/^[a-z0-9._%+-]+@: [a-z0-9-]+.) +[a-z]{2,4}$/i ', $value);}function Check_ip ($value) {//check A IP

First, process tracking The code is as follows Copy Code # Top//Find process PID with high CPU usage# Strace-p PID//tracking process# LL/PROC/PID/FD//See which files the process is working on There will be

The way to resolve 502 Bad Gateway is: 1. Depending on the performance of the server, in the php-fmp.conf to increase the value of Max_children, I currently use 15. (a php-fpm uses about 20M of RAM, if your memory is about 1G,1024/20=50) 2. Use

First of all, the difference between ereg () and eregi (): Ereg () string contrast matching function, which distinguishes string capitalization; Eregi () string contrast matching functions, which do not distinguish between string capitalization.

Php official account js-sdk development application, php official account js-sdk Test the js interface function. I use the BAE server instead of the SAE server. Files cannot be written to the SAE server. problems may occur during testing.What is

In linux, zlib must be enabled. The following describes how to enable this function.1. Download and install zlibHttp://www.gzip.org/zlib/Decompress the tar package and enter the directory to execute the command:./Configure & make install 2. Add the

In other windows versions The code is as follows:Copy code # Open the File.If ($ handle = fopen ("test.csv", "r "))! = FALSE ){# Set the parent multidimen1_array key to 0.$ Nn = 0;While ($ data = fgetcsv ($ handle, 0 ,","))! = FALSE ){        //

The current time obtained in the PHP script is Beijing time. Modify the PHP configuration file as follows:1. date. timezone = Etc/GMT-8// In the configuration file, set the default time zone to zone 8 (Beijing time)Add one more sentence to the

Two days ago, I said there was a PHP extension, tclip Image cropping program.Tclip is committed to face recognition and recognition of prominent areas of images. The biggest difference between Tclip and other image cropping programs is that the face

You can also directly read the content in the zip package, which is very convenient. Here we mainly summarize the process of reading and decompressing.Decompress a package to the specified directory. The code is as follows:Copy code $ Zip = new

 1. Start usingFirst Download and decompress the file, and then include the simple_html_dom.php file into the script file to be compiled. Load the html to be processed. Three modes of html loading are supported: "load from url, load from a string