Look at an example
The code is as follows
Copy Code
Class Cart { var $items; //Shopping cart Items //Put $num $a Rtnr into the car function Add_item ($ARTNR, $num) { $this->items[$artnr] + =
I wrote one of these posts before, but because Ecvps went bankrupt, so I lost two months of data, that article was lost, but I also updated the script method, there will be content generation key chain and no content automatically randomly generated
The percentage of CPU, memory usage of the process seen through the top command is a floating-point number, and I need to process it while writing the script, so I learned a few things and summarized as follows.
In fact, the Shell (here is bash)
-----023-dbinfo.php-----12345mysql Database Information 678mysql Database Information 9TenPHP One /* A mysql_connect () performing a connection - mysql_query () Execute SQL statement - mysql_result (Resource, row, [column]) query specific data the
This article introduces how to encrypt PHP source code? PHP binary encryption and decryption solutions. For more information about PHP source code encryption, see.
Note: The encrypted PHP code does not need to be decrypted by a third-party tool.
1. {} indicates the start and end of the program block.
For example
Copy codeThe Code is as follows:If ($ x = $ y){Do_nothing ();}
2. {} indicates the subscript of a string.
For example(Reference longnetpro)$ S {1} indicates the 2nd bytes (not
The system administrator usually retrieves the code from the Svn/git, after deploying the site usually first generates the MD5 value of all the files of the site, if the Site page content is tampered with (such as hanging horse), etc., can be
Php user password encryption algorithm analysis [Discuz encryption algorithm], discuz Encryption Algorithm
This example describes the php user password encryption algorithm. We will share this with you for your reference. The details are as follows:
You can write and read XML in PHP. 1. use DOM to generate and read XML files. Example 1: Copy the code as follows :? PhpCreatesXMLstringandXMLdocumentusingtheDOM $ domnewDomDocument (1.0); addroot-bo 1. use DOM to generate and read XML
This article mainly introduces some functions of brackets {} in php. if you are a friend of php, you can see that 1 and {} indicate the beginning and end of the program block.
For example
The code is as follows:If ($ x = $ y){Do_nothing ();}
2.
PHP study note 2. 1. the array PHP array is actually an associated array, or a hash table. PHP does not need to declare the array size in advance. you can create an array by directly assigning values. For example
1. arrayThe PHP array is actually an
This article mainly introduces the Singleton mode in php implementation design mode. This article describes in detail the Singleton mode in php and provides code instances. For more information, see
Summary]
Ensure that a class has only one
20 rows of statements are converted from Excel to mysql. Since I had some knowledge of php and mysql, I have been very keen on sharing confidential commercial data with the company's huge Excel database, as I thought about how to get a hand, since I
Describes how to split strings in PHP. Result: Array ([0] 1 [1] 2 [2] 3 [3] 4) defines and uses the str_split () function to split the string into arrays. The length syntax indicates the number of each string.Result: Array ([0] => 1 [1] => 2 [2] => 3
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