How do I query for several values that match the criteria in a field?
Is this the query? SELECT * FROM table where cateid=2 or cateid=4 or cateid=8 there is no other way:
I now get a character cateid= "2,4,8," what is the easiest way to take out
Some small problems with curl
Ask how to take a part of a page to crawl out how to achieve ... No idea ....
For example, I want to crawl mmcfood.1x.net inside the table ... None of the others.
------Solution--------------------
PHP Code
$ch =
PHP save remote picture to Local
First type: precise
': ' false ';
The second type: Extract pictures from the article and save to Local
function Getimg ($str) {$str = Stripslashes ($STR); $pattern = "/]*src\=\" (([^>]*)
PHP binary Search
The idea of dichotomy is like this give me an array I add the header and tail index of an array to 2 so I can get the middle position index to compare the value of the number that I'm looking for and the value of the median index
How to convert string and array to each other
A string is as follows:
{1: "11", 2: "22", 3: "33", 4: "44", 7: "77"}
Want to convert the above string to an array like this
Array (
1 = ' 11 ',
2 = ' 22 ',
3 = ' 33 ',
4 = ' 44 ',
7 = ' 77 ',
)
It's
Summary of basic PHP knowledge
Read some basic knowledge of PHP, you can summarize here:
1, there are three ways to embed PHP scripts in HTML:
Script?language
=
"
PHP
"
>
//
Embedding mode one
Echo
(
"
Test
"
);
Script>
//Embedding mode
php resolves blank page issues where parameters are incorrectly entered in the Address bar
Title. Let's say there's this URL http://localhost:8080/test.php?id=12&tie=23
I changed the following two parameters in the address bar, into a large number
character to intercept problem!
Suppose the string $a=123/frew/4214/fsdf/123/123/dsa; $a is a variable and the content changes.
So, how to intercept the second "/" from the beginning to the bottom, i.e. 123/frew/4214/fsdf/123/
Do not start the
PHP Security Issues
Do web development, I believe that the building is aware of some security basics, " never trust client data ." and PHP is a weakly typed language. Many people neglect the type conversion during the development process, and the
PHP kernel-Start and end of user request
People who have installed Apache know that after we install PHP, we are only configuring Apache, mainly adding mod_ php5.so this extension, and then the Apache reboot, you can use PHP normally, in the
MySQL sort problem
SELECT *, Group_concat (', Concat_ws (' X ', ' sku ', ' quantity-purchased '), '), Group_concat (', ' order_id ', ' ') from ' sale_orders ' WHERE ' shipments ' =0 and ' number ' =1 GROUP by Group_concat (', Concat_ws (' X ', ' sku
How cookies are shared between different domain names
Title
------Solution--------------------
Cookies for different domain names cannot be shared.
But you said if the first-level domain name is the same situation, it is possible. Set the cookie
. htaccess domain name rewriting issues?
For example, the same support PHP space and binding there are 2 domain names www.aaa.com and www.bbb.com;
If the space contains at least the following files and directories (folders):
(Note: The directory or
Php+mysql take video table information. How to Match intercept name
Php+mysql Database Video table fetching video information video_list
There are fields Video_name as follows:
Data 1 "Hundred-house Pulpit" 20111220
Data 2 "Hundred House Pulpit" 2011
How to achieve a picture watermark like this effect?
Http://13.images22.51img1.com/6000/qiqi1991117/31935d34aefa27067c154a2138915aa8.jpg
The image below the watermark, just hit the text is not surprising, but he made a transparent watermark in the
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