duplicate entries for one-dimensional arrays:
Using the Array_unique function, you can use the following example:Copy the Code code as follows:
$aa =array ("Apple", "banana", "pear", "apple", "wail", "Watermalon");$BB =array_unique ($AA);Print_r
This article introduces the use of the Array_multisort function in PHP for two-dimensional array sorting example, the need for friends, refer to it. Following previous article: PHP two-dimensional array ordering custom functions, today, we will
Copy CodeThe code is as follows:
class= ' pingjiaf ' frameborder= ' 0 ' src= ' http://www.php.net ' scrolling= ' no ' >
Sort an array
The Usort () function uses a user-defined function to sort the array.
*/
function cmp ($a, $b)//user-defined
Copy CodeThe code is as follows:
Header ("content-type:text/html; Charset=utf8 ");
/*
* Submit Request
* @param $header Array need to configure the domain name and other header settings array ("Host:devzc.com");
* @param $data string required to
Copy the Code code as follows:
function Getagebyid ($id) {
After this year's birthday is more than 1 years old
if (empty ($id)) return ';
$date =strtotime (substr ($id, 6,8));
Time stamp for Birth date
$today =strtotime (' Today ');
Get today's
SQL has many statements about database operations. But what is common and what is needed is a few more statements. The SELECT statement is used to select data from the database.
So let's first introduce the first SELECT statement.
Statement
Copy the Code code as follows:
$arr = Array (1,2,3,4,5);
/*
@ Res Each element of each note assembled
@ $a temporary array
@ $index Array index
@ $arr Array of requests
@ $b The last result
*/
$a = array ();
$b = Array ();
$total = 0;
Format ($a, 0
The role of the 1.C methodA. Load settings user's configuration, stored in a static variable $_config in a C function
B. Read the user's configuration (read from $_congig)
2. Demand Analysis:
1. Setting variables
1. Two-dimensional arrayCopy the
Copy CodeThe code is as follows:
Class Session_handler {
protected $maxlifetime = null;
protected $dbHandle = null;
public $config = null;
public static function init ($args) {
return new self ($args);
}
Public function __construct ($args)
Nice point:
1, many-to-many cross-scene allocation;
2, PHP new features-closure use, batch processing function array_walk/array_flip use;
3, Bit computing & use cases;
Usage scenarios:1, the common additions and deletions to check (2 of the n-th
1.__construct ()
Instantiating an object is called automatically. Call __construct when __construct and a function that has the class name as the function name are present, and the other is called without a back.
The function with the class name
For today's applications, the importance of logging is self-evident. It is hard to imagine an application that does not have any logging capabilities running in a production environment. Logs can provide a variety of functions, including the
Some problems, can not repeat, such as GBK go to UTF8, and then have in turn into UTF8, this will be garbled, I originally tried to detect the code before the conversion, seemingly failed. I deliberately tried a file, and I checked whether it was
Copy CodeThe code is as follows:
Local file that should is send to the client
$local _file = ' test-file.zip ';
filename that the user gets as default$download _file = ' your-download-name.zip ';
Set the download rate limit (= 20,5 kb/s)$download
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