Course Outline:This lesson allows you to perform basic operations on strings.String Knowledge Points:1. Introduction to Handling strings2. Commonly used string output functions3. Commonly used string formatting functions4. String comparison function5
php:5.5, operating system: ubuntu13.10The website text Editor uses the Ueditor, the test upload picture displays the background configuration item not to load successfully, the upload plugin cannot use normally.Consulted the Ueditor documentation,
PHP has an extremely powerful image processing capability, which makes it easy to dynamically generate web images.is a simple counter made using PHP.1. General ideas:Record the number of previous visits in a text file, and when the page is accessed,
The problem was found and resolved through a search, which is documented in detail for reference.
The deletion of a large number of files in the Temp folder
The file that begins with Sess in temp system temporary folder, is PHP's session save file,
First, the preface
select()when you read a one-to-many amount of information from a database, you often need to split the retrieved array into a specific character and then concatenate it into a string.
Common syntax formats:
foreach
Transferred from PHP Chinese user 5. Other miscellaneous
5.1 Generating Images
PHP can manipulate image processing. If you have installed the GD library, you can even use PHP to generate images.
?
Header ("Content-type:image/gif");
$string =implode
Other miscellaneous
13.1 Generating Images
PHP can manipulate image processing. If you have installed the GD library, you can even use PHP to generate images.
?
Header ("Content-type:image/gif");
$string =implode ($ARGV, "");
$im =
1. Any number of parameters of the function
You may know that PHP allows you to define a function of a default parameter. But you may not know that PHP also allows you to define a function of an entirely arbitrary parameter
Here is an example of a
The principle is as follows, if:
Encryption
Clear text: 1010 1001
Secret key: 1110 0011
Redaction: 0100 1010
To get the ciphertext 0100 1010, the need to decrypt and the key is different or under the
Decrypt
Redaction: 0100 1010
Secret key: 1110 0011
Authcode This function is used by many people, this function from the Discuz program, used to encrypt the decryption string, you can set keys (key) and expiration time, in many cases. The original function code may generate a character such as +,/, &
In the use of the time, you have to generate a summary of the content strip_tags (), of course, you can also add strip_tags () directly to the function, I did not engage, add it myself. Here's the function:
Copy Code code as follows:
1. strcpy string Copy
First, let's look at the approximate model of functions in the MSDN Library.The function of the strcpy function is a string copy,We can use the pointer to move the assignment to achieveUntil ' I ' stop.According to function
In the JSP page, return line feeds are stored in the table method1. Enter a section of text in a textarea, with line breaks, insert newline characters into the databaseUse the following methods:public static string texttohtml (String sourcestr){int
Good things to share together, last shared 10, this time to come again 10 Super useful PHP code snippets.
1. Send SMS
Invoke the Textmagic API.
Include the Textmagic PHP lib
require (' textmagic-sms-api-php/textmagicapi.php ');
Set the
Recently not in toss forum, various kinds of functions, original some, from others there Qiang come over some, here to share out, hope to have friends can use to ~
Note: Some functions may not be perfect, resulting in the risk of vulnerability from
The examples in this article describe the Chinese and the numbers in the PHP implementation filter string. Share to everyone for your reference. The implementation methods are as follows:
function Getchinese ($string, $encode = "GBK") {
PHP implementation of a string encryption decryption function
The function code is as follows:
/********************************************************************* function Name: Encrypt function: Encrypt decryption string usage: encryption:
This example describes the PHP cloud printing class. Share to everyone for your reference, specific as follows:
A project needs hundreds of computers have a printing function, is intended to use a network printer, and later found that there is no
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