PHP Tutorials

Whether you want to take part of the data from a link, or take an XML file and import it into the database, the fear is simply to get the Web content, Reactor curl is a powerful PHP library. This article mainly describes if you use this PHP library.

PHP Get file absolute path Copy CodeThe code is as follows: Echo __file__; Get the absolute address of the current file, result: D:\www\test.php echo dirname (__file__); Get the absolute directory where the current file is located, Result: D:\www\

This plan to configure Zenddebugger for debugging, configuration of the old long time not configured successfully, in phpinfo see Zenddebugger effective, after the discovery is php5.3 problem, must first uninstall, this article introduced the use of

Copy CodeThe code is as follows: class MyClass { var $var 1; var $var 2 = ' xyz '; var $var 3 = 100; Private $var 4; function MyClass () { $this->val1 = "Foo"; $this->val2 = "Bar"; return true; } function Test1 () { return

MongoDB itself has two integer types: 32-bit integers and 64-bit integers, but older PHP drivers, regardless of whether the operating system is 32-bit or 64-bit, treat all integers as 32-bit integers, resulting in a 64-bit integer being truncated.

Copy the Code code as follows: $array 1 = Array (' A ', ' B ', ' C ', ' d '); $array 2 = Array (' A ', ' C '); $array 3 = Array_intersect ($array 1, $array 2); if ($array 3) { Echo ' has intersection '; } ?>

Study a bit ~ method many ~ finally decided to use Excel import ~ searched the Internet A lot of this information, found that the Excel file is saved as a CSV file, and then imported from the CSV file. Here is an example of importing an Excel file

1. Merging arraysThe Array_merge () function merges the arrays together to return an array of unions. The resulting array starts with the first input array parameter, forcing it sequentially in the order in which the array parameters appear later.

The first method: $varname =null Second method: Unset ($varname) Both of these methods can delete variables, but the results are slightly different. Code: Copy CodeThe code is as follows: $a = Array ( ' A ' = ' a ', ' B ' = ' B ' ); $b = Array ( '

Copy CodeThe code is as follows: function Arraytoobject ($e) { if (GetType ($e)! = ' array ') return; foreach ($e as $k = = $v) { if (GetType ($v) = = ' Array ' | | GetType ($v) = = ' object ') $e [$k]= (object) Arraytoobject ($v); } Return (object)

The person who is running the ad is concerned about where his ad will be placed, as it may affect the number of clicks or even the first screen. On this issue, in fact, it is easy to solve, as long as the random display ads. How is the code

Here is the process of logging in to MySQL on Linux, creating a database, and creating a table. yin@yin-ubuntu10:~$ Mysql-u Root-p Enter Password: Welcome to the MySQL Monitor. Commands End With; or \g. Your MySQL Connection ID is 360 Server

Copy CodeThe code is as follows: function Files ($path) { foreach (Scandir ($path) as $line) { if ($line = = '. ' | | $line = = ' ... ') Continue if (Is_dir ($path. ' /'. $line)) Files ($path. ' /'. $line); else Echo ' '. $path. ' /'. $line. ''; } }

1. Defining ConstantsDefine ("CONSTANT", "Hello World"); Constants can only contain scalar data (boolean,integer,float and string). When calling a constant, simply use the name to get the value of the constant, not the "$" symbol, such as: Echo

Copy CodeThe code is as follows: Interface js{ Function ys ($a, $b); } Class Af implements js{ Function ys ($a, $b) { Return "addition operation ... The result is: ". ($a + $b); } } Class Jf implements js{ Function ys ($a, $b) { Return "subtraction

Now let's just say a few steps to developing a PHP extension under Windows: The first software to be prepared is: Cygwin installation path E:\app\cygwin Visual Studio C + + 6.0, Modify the environment variable and set the installed PHP path to the

First: Find out the cause of garbled characters. Always thought is the reason of the browser, the result I in CHROME,FIREFOX,IE9 inside all appear garbled, so the browser factor can be ruled out. In order to verify that my guess is the reason for

When using the Mb_detect_encoding function in PHP to encode recognition, many people have encountered the problem of identifying the coding error, for example, with GB2312 and UTF-8, or UTF-8 and GBK (here is mainly for cp936 judgment), online said

Fatal error:cannot redeclare Htmtocode () (previously declared in D:\www_local\mytest\conn.php:7) in D:\www_local\mytest \conn.php on line 10 This error message appears when you write the paging file page.php Google Translate this sentence means

We can also use random numbers to design any program structure that we imagine. First, let's meet the random number function rand () provided by PHP. The rand () function of PHP returns a random integer, using the following method Rand